SEC Form 10-Q filed by Five9 Inc.

7/31/25 4:16:03 PM ET

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)


☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2025


☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-36383

Five9, Inc.

(Exact Name of Registrant as Specified in Its Charter)


Delaware						94-3394123
(State or Other Jurisdiction of Incorporation or Organization)						(I.R.S. Employer Identification No.)

3001 Bishop Drive, Suite 350

San Ramon, CA 94583

(Address of Principal Executive Offices) (Zip Code)

(925) 201-2000

(Registrant’s Telephone Number, Including Area Code)

_______________________________

Securities registered pursuant to Section 12(b) of the Act:


Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common stock, par value $0.001 per share	FIVN	The NASDAQ Global Market

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes: ☒ No: ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes: ☒ No: ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

☒

Accelerated filer

☐

Non-accelerated filer

☐

Smaller reporting company

☐

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Yes: ☐ No: ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes: ☐ No: ☒

As of July 25, 2025, there were 77,262,690 shares of the Registrant’s common stock, par value $0.001 per share, outstanding.

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FIVE9, INC.

FORM 10-Q

TABLE OF CONTENTS


SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS						2

PART I. FINANCIAL INFORMATION
ITEM 1. Financial Statements						4
Condensed Consolidated Balance Sheets (Unaudited)						4
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)						5
Condensed Consolidated Statements of Stockholders’ Equity (Unaudited)						6
Condensed Consolidated Statements of Cash Flows (Unaudited)						8
Notes to Condensed Consolidated Financial Statements (Unaudited)						9
ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations						30
Overview						30
Key Operating and Non-GAAP Financial Performance Metrics						31
Key Components of Our Results of Operations						33
Results of Operations for the Three and Six Months Ended June 30 , 2025 and 2024						34
Liquidity and Capital Resources						37
Critical Accounting Policies and Estimates						39
Recent Accounting Pronouncements						39

Contractual and Other Obligations						40
ITEM 3. Quantitative and Qualitative Disclosure about Market Risk						42
ITEM 4. Controls and Procedures						43

PART II. OTHER INFORMATION
ITEM 1. Legal Proceedings						44
ITEM 1A. Risk Factors						44
ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds						44
ITEM 3. Defaults Upon Senior Securities						44
ITEM 4. Mine Safety Disclosures						44
ITEM 5. Other Information						44
ITEM 6. Exhibits						45

SIGNATURES						46

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which involve substantial risks and uncertainties. These statements reflect the current views of our senior management with respect to future events, strategies and financial trends and performance. These forward-looking statements include statements with respect to our business, expenses, strategies, losses, growth plans, product and customer initiatives, market growth projections, and our industry, including those set forth under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and elsewhere in this Quarterly Report. Statements that include the words “expect,” “intend,” “plan,” “believe,” “project,” “forecast,” “estimate,” “may,” “should,” “anticipate” and similar statements of a future or forward-looking nature identify forward-looking statements for purposes of the federal securities laws or otherwise.

Forward-looking statements address matters that involve risks and uncertainties. Accordingly, there are or will be important factors that could cause our actual results to differ materially from those indicated in these statements. These factors include the information set forth under the caption "Risk Factors" set forth in Part 1, Item 1A, of our Annual Report on Form 10-K for the fiscal year ended December 31, 2024, which we encourage you to carefully read, and include the following:

•adverse economic conditions, including the impact of macroeconomic challenges, global tariff increases and potential future increases and announcements regarding same, continued inflation, uncertainty regarding consumer spending, high interest rates, fluctuations in currency rates, the impact of the Russia-Ukraine conflict, the impact of the conflicts in the Middle East, and other factors, may continue to harm our business;

•if we are unable to attract new customers or sell additional services and functionality to our existing customers, our revenue and revenue growth will be harmed;

•if our existing customers terminate their subscriptions or reduce their subscriptions and related usage, or fail to grow subscriptions at the rate they have in the past or that we might expect, our revenues and gross margins will be harmed, and we will be required to spend more money to grow our customer base;

•because a significant percentage of our revenue is derived from existing customers, downturns or upturns in new sales will not be immediately reflected in our operating results and may be difficult to discern;

•if we fail to manage our technical operations infrastructure, our existing customers may experience service outages, our new customers may experience delays in the deployment of our solution and we could be subject to, among other things, claims for credits or damages;

•as AI solutions will likely perform an increasing proportion of contact center interactions, if we are unable to replace decreases in subscription revenue from licenses with revenue from the sale of additional AI solutions, our revenue, results of operations and business will be harmed;

•further development of our AI solutions may not be successful and may result in reputational harm and our future operating results could be materially harmed;

•the AI technology and features incorporated into our solution include new and evolving technologies that may present both legal and business risks;

•we have established, and are continuing to increase, our network of technology solution distributors and resellers to sell our solution; our failure to effectively develop, manage, and maintain this network could materially harm our revenues;

•our quarterly and annual results may fluctuate significantly, including as a result of the timing and success of new product and feature introductions by us, may not fully reflect the underlying performance of our business and may result in decreases in the price of our common stock;

•if we are unable to attract and retain highly skilled leaders and other employees, our business and results of operations may be harmed;

•our historical growth may not be indicative of our future growth, and even if we continue to grow rapidly, we may fail to manage our growth effectively;

•failure to adequately retain and expand our sales force will impede our growth;

•the use of AI by our workforce may present risks to our business;

•the contact center software solutions market is subject to rapid technological change, and we must develop and sell incremental and new solutions in order to maintain and grow our business;

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•our growth depends in part on the success of our strategic relationships with third parties and our failure to successfully maintain, grow and manage these relationships could harm our business;

•the markets in which we participate involve a high number of competitors that is continuing to increase, and if we do not compete effectively, our operating results could be harmed;

•we continue to expand our international operations, which exposes us to significant macroeconomic and other risks;

•security breaches, cybersecurity incidents, and improper access to, use of, or disclosure of our data or our customers’ data, or other cyber-attacks on our systems, could result in litigation and regulatory risk, harm our reputation, our business or financial results;

•we may acquire other companies, or technologies or be the target of strategic transactions, or be impacted by transactions by other companies, which could divert our management’s attention, result in additional dilution to our stockholders or use a significant amount of our cash resources and otherwise disrupt our operations and harm our operating results;

•we sell our solution to larger organizations that require longer sales and implementation cycles and often demand more configuration and integration services or customized features and functions that we may not offer, any of which could delay or prevent these sales and harm our growth rates, business and operating results;

•we rely on third-party telecommunications and internet service providers to provide our customers and their customers with telecommunication services and connectivity to our cloud contact center software and any failure by these service providers to provide reliable services could cause us to lose customers and subject us to claims for credits or damages, among other things;

•we have a history of losses and we may be unable to achieve or sustain profitability;

•our stock price has been volatile, may continue to be volatile and may decline, including due to factors beyond our control;

•we may not be able to secure additional financing on favorable terms, or at all, to meet our future capital needs;

•failure to comply with laws and regulations could harm our business and our reputation; and

•we may not have sufficient cash to service our convertible senior notes and repay such notes, if required.

The foregoing factors should not be construed as exhaustive and should be read together with the other cautionary statements included in, or incorporated into, this report. If one or more of these or other risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, our actual results may differ materially from what we anticipate. You should not place undue reliance on our forward-looking statements. Any forward-looking statements you read in this report reflect our views only as of the date of this report with respect to future events and are subject to these and other risks, uncertainties and assumptions relating to our operations, results of operations, growth strategy and liquidity. We undertake no obligation to update any forward-looking statements made in this report to reflect events or circumstances after the date of this report or to reflect new information or the occurrence of unanticipated events, except as required by law.

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PART I. FINANCIAL INFORMATION

ITEM 1. Financial Statements

FIVE9, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except per share data)



	June 30, 2025		December 31, 2024
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	205,479	$	362,546
Marketable investments	430,397		643,410
Accounts receivable, net	127,835		115,172
Prepaid expenses and other current assets	47,986		50,840
Deferred contract acquisition costs, net	82,497		76,600
Total current assets	894,194		1,248,568
Property and equipment, net	154,499		144,888
Operating lease right-of-use assets	37,433		38,880
Finance lease right-of-use assets	18,803		19,269
Intangible assets, net	58,068		65,632
Goodwill	366,698		365,436
Other assets	11,252		13,384
Deferred contract acquisition costs, net — less current portion	163,913		155,157
Total assets	$	1,704,860	$	2,051,214

LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	31,063	$	26,282
Accrued and other current liabilities	81,870		83,720
Operating lease liabilities	11,473		11,258
Finance lease liabilities	9,174		7,768


Deferred revenue	68,009		79,173
Convertible senior notes	—		433,490
Total current liabilities	201,589		641,691
Convertible senior notes - less current portion	733,620		731,855

Operating lease liabilities — less current portion	35,225		37,071
Finance lease liabilities — less current portion	10,012		11,688
Other long-term liabilities	7,037		6,717
Total liabilities	987,483		1,429,022
Commitments and contingencies (Note 10)
Stockholders’ equity:

Common stock	77		76
Additional paid-in capital	1,133,107		1,039,125
Accumulated other comprehensive income	108		636
Accumulated deficit	(415,915)		(417,645)
Total stockholders’ equity	717,377		622,192
Total liabilities and stockholders’ equity	$	1,704,860	$	2,051,214

See accompanying notes to the unaudited condensed consolidated financial statements.

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FIVE9, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

AND COMPREHENSIVE INCOME (LOSS)

(Unaudited, in thousands, except per share data)



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Revenue	$	283,269	$	252,086	$	562,974	$	499,096
Cost of revenue	127,865		118,414		253,838		232,944
Gross profit	155,404		133,672		309,136		266,152
Operating expenses:
Research and development	39,912		40,717		81,012		82,235
Sales and marketing	80,668		78,332		163,523		159,441
General and administrative	36,385		33,988		71,590		64,536
Total operating expenses	156,965		153,037		316,125		306,212
Loss from operations	(1,561)		(19,365)		(6,989)		(40,060)
Other income (expense), net:
Interest expense	(3,820)		(3,906)		(7,935)		(6,473)
Gain on early extinguishment of debt	—		—		—		6,615
Interest income and other	7,917		13,800		18,220		24,359
Total other income (expense), net	4,097		9,894		10,285		24,501
Income (loss) before income taxes	2,536		(9,471)		3,296		(15,559)
Provision for income taxes	1,382		3,345		1,566		4,334
Net income (loss)	$	1,154	$	(12,816)	$	1,730	$	(19,893)
Net income (loss) per share:

Basic	$	0.02	$	(0.17)	$	0.02	$	(0.27)
Diluted	$	0.01	$	(0.17)	$	0.02	$	(0.27)
Shares used in computing net income (loss) per share:

Basic	76,654		74,203		76,303		73,845
Diluted	88,523		74,203		88,964		73,845
Comprehensive Income (Loss):
Net income (loss)	$	1,154	$	(12,816)	$	1,730	$	(19,893)
Other comprehensive loss	(389)		(199)		(528)		(1,084)
Comprehensive income (loss)	$	765	$	(13,015)	$	1,202	$	(20,977)

See accompanying notes to the unaudited condensed consolidated financial statements.

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FIVE9, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Unaudited, in thousands)


	Common Stock		Additional Paid-In Capital					Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total Stockholders’ Equity
		Shares					Amount
Balance as of March 31, 2024		73,849	$	74	$	895,754				$	(303)	$	(411,927)	$	483,598


Issuance of common stock upon exercise of stock options		1	—		11					—		—		11
Issuance of common stock upon vesting of restricted stock units		660	1		—					—		—		1
Issuance of common stock under ESPP		209	—		9,522					—		—		9,522
Stock-based compensation		—	—		45,761					—		—		45,761
Other comprehensive loss		—	—		—					(199)		—		(199)
Net loss		—	—		—					—		(12,816)		(12,816)
Balance as of June 30, 2024		74,719	$	75	$	951,048				$	(502)	$	(424,743)	$	525,878

Balance as of March 31, 2025		76,243	$	76	$	1,080,782				$	497	$	(417,069)	$	664,286
Issuance of common stock upon exercise of stock options		5	—		28					—		—		28
Issuance of common stock upon vesting of restricted stock units		678	1		(1)					—		—		—
Issuance of common stock under ESPP		337	—		7,921					—		—		7,921
Stock-based compensation		—	—		44,377					—		—		44,377
Other comprehensive loss		—	—		—					(389)		—		(389)
Net income		—	—		—					—		1,154		1,154
Balance as of June 30, 2025		77,263	$	77	$	1,133,107				$	108	$	(415,915)	$	717,377

See accompanying notes to the unaudited condensed consolidated financial statements.

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FIVE9, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Unaudited, in thousands)


	Common Stock		Additional Paid-In Capital					Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total Stockholders’ Equity
		Shares					Amount
Balance as of December 31, 2023		73,317	$	73	$	942,280				$	582	$	(404,850)	$	538,085
Issuance of new capped calls associated with the 2029 convertible senior notes		—	—		(93,438)					—		—		(93,438)
Partial termination of existing capped calls associated with the 2025 convertible senior notes		—	—		539					—		—		539
Issuance of common stock upon exercise of stock options		15	—		397					—		—		397
Issuance of common stock upon vesting of restricted stock units		1,178	2		—					—		—		2
Issuance of common stock under ESPP		209	—		9,522					—		—		9,522
Stock-based compensation		—	—		91,748					—		—		91,748
Other comprehensive loss		—	—		—					(1,084)		—		(1,084)
Net loss		—	—		—					—		(19,893)		(19,893)
Balance as of June 30, 2024		74,719	$	75	$	951,048				$	(502)	$	(424,743)	$	525,878

Balance as of December 31, 2024		75,808	$	76	$	1,039,125				$	636	$	(417,645)	$	622,192
Issuance of common stock upon exercise of stock options		5	—		30					—		—		30
Issuance of common stock upon vesting of restricted stock units		1,113	1		(1)					—		—		—
Issuance of common stock under ESPP		337	—		7,921					—		—		7,921
Stock-based compensation		—	—		86,032					—		—		86,032
Other comprehensive loss		—	—		—					(528)		—		(528)
Net income		—	—		—					—		1,730		1,730
Balance as of June 30, 2025		77,263	$	77	$	1,133,107				$	108	$	(415,915)	$	717,377

See accompanying notes to the unaudited condensed consolidated financial statements.

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FIVE9, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited, in thousands)


	Six Months Ended
	June 30, 2025		June 30, 2024
Cash flows from operating activities:
Net income (loss)	$	1,730	$	(19,893)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	29,139		25,121
Reduction in the carrying amount of right-of-use assets	10,080		6,312
Amortization of deferred contract acquisition costs	41,528		33,825
Accretion of discount on marketable investments	(5,325)		(11,217)
Provision for credit losses	945		677
Stock-based compensation	81,104		88,316






Amortization of discount and issuance costs on convertible senior notes	2,680		2,509

Gain on early extinguishment of debt	—		(6,615)

Impairment charge of long-lived assets	835		—
Interest on finance lease obligations	548		126
Deferred taxes	33		356



Other	(201)		(190)
Changes in operating assets and liabilities:
Accounts receivable	(13,608)		(7,635)
Prepaid expenses and other current assets	2,854		(7,137)
Deferred contract acquisition costs	(56,181)		(53,032)
Other assets	2,552		(1,868)
Accounts payable	3,853		3,931
Accrued and other current liabilities	(8,096)		3,934
Deferred revenue	(11,522)		(3,484)
Other liabilities	497		(1,805)
Net cash provided by operating activities	83,445		52,231
Cash flows from investing activities:
Purchases of marketable investments	(315,146)		(816,492)
Proceeds from sales of marketable investments	90,502		12,517
Proceeds from maturities of marketable investments	442,655		470,755
Purchases of property and equipment	(8,218)		(18,722)
Capitalization of software development costs	(18,730)		(8,260)

Cash settlement for acquisition of businesses	—		99



Net cash provided by (used in) investing activities	191,063		(360,103)
Cash flows from financing activities:
Proceeds from issuance of 2029 convertible senior notes	—		731,055
Payment of debt issuance costs	—		(2,212)
Payments for capped call transactions associated with the 2029 convertible senior notes	—		(93,438)
Repurchase of a portion of 2025 convertible senior notes, net of costs	—		(304,485)
Repayment of outstanding 2025 convertible senior notes at maturity	(434,405)		—

Cash received from partial termination of capped calls associated with the 2025 convertible senior notes	—		539
Proceeds from exercise of common stock options	30		397
Proceeds from sale of common stock under ESPP	7,921		9,522





Payment of finance lease liabilities	(4,671)		(966)


Net cash (used in) provided by financing activities	(431,125)		340,412
Net (decrease) increase in cash, cash equivalents and restricted cash	(156,617)		32,540
Cash, cash equivalents and restricted cash:
Beginning of period	364,185		144,842
End of period	$	207,568	$	177,382
Supplemental disclosures of cash flow data:
Cash paid for interest	$	5,428	$	1,603
Cash paid for income taxes	$	2,923	$	1,512
Non-cash investing and financing activities:

Property and equipment unpaid at period-end	$	13,058	$	16,684


Stock-based compensation included in capitalized software development costs	$	4,928	$	3,432

Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - Beginning of Period:
Cash and cash equivalents	$	362,546	$	143,201
Restricted cash in other assets	1,639		1,641
Total cash, cash equivalents and restricted cash	$	364,185	$	144,842

Reconciliation of Cash, Cash Equivalents and Restricted Cash to the Condensed Consolidated Balance Sheets - End of Period:
Cash and cash equivalents	$	205,479	$	175,699
Restricted cash in other assets	2,089		1,683
Total cash, cash equivalents and restricted cash	$	207,568	$	177,382

See accompanying notes to the unaudited condensed consolidated financial statements.

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FIVE9, INC.

Notes to Condensed Consolidated Financial Statements (Unaudited)

1. Description of Business and Summary of Significant Accounting Policies

Five9, Inc. and its wholly-owned subsidiaries (the “Company”) is a provider of cloud software for contact centers. The Company was incorporated in Delaware in 2001 and is headquartered in San Ramon, California. The Company has offices in Europe, Asia and Australia, which primarily provide research, development, sales, marketing, and customer support services.

Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, which are normal and recurring in nature, necessary for fair financial statement presentation. All intercompany transactions and balances have been eliminated in consolidation.

Use of Estimates

The preparation of condensed consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The significant estimates made by management affect revenue and related reserves, as well as the fair value of assets acquired and liabilities assumed through business combinations and the fair value of performance-based restricted stock units ("PRSUs"). Management periodically evaluates such estimates and they are adjusted prospectively based upon such periodic evaluation. Actual results could differ from those estimates.

Significant Accounting Policies

There have been no material changes from the significant accounting policies previously disclosed in Part II, Item 8, of the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2024 as filed with the SEC on February 21, 2025.

Recent Accounting Pronouncements Not Yet Effective

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. This ASU requires disclosure of specific categories in the effective tax rate reconciliation and additional information on income taxes paid. This ASU is effective for the Company’s fiscal years beginning after December 15, 2024. Early adoption is permitted and may be adopted on a prospective or retrospective basis. The Company is currently evaluating the impact of this ASU on its consolidated financial statement disclosures.

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40), and in January 2025, the FASB issued ASU 2025-01, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date, which clarified the effective date of ASU 2024-03. This ASU is intended to improve the decision-usefulness of expense information on public companies’ income statements through disaggregation of relevant expense captions in the notes to the financial statements. The guidance, as clarified by ASU 2025-01, is effective for annual reporting periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027, with early adoption permitted. The Company is currently assessing the impact of this ASU on its consolidated financial statements and related disclosures.

In November 2024, the FASB issued ASU 2024-04, Debt with Conversion and Other Options (Subtopic 470-20), which clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. The ASU is effective for annual and interim reporting periods beginning after December 15, 2025. Early adoption is permitted for entities that have implemented

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ASU 2020-06, with the option to apply the guidance prospectively or retrospectively. The Company is currently assessing the impact of this ASU on its consolidated financial statements.

2. Revenue

Contract Balances

The following table provides information about accounts receivable, net, deferred contract acquisition costs, net, contract assets and contract liabilities from contracts with customers (in thousands):


	June 30, 2025		December 31, 2024
Accounts receivable, net	$	127,835	$	115,172

Deferred contract acquisition costs, net:
Current	$	82,497	$	76,600
Non-current	163,913		155,157
Total deferred contract acquisition costs, net	$	246,410	$	231,757

Contract assets and contract liabilities:
Contract assets (included in prepaid expenses and other current assets)	$	3,054	$	7,206
Contract liabilities (deferred revenue)	(68,009)		(79,173)
Noncurrent contract liabilities (deferred revenue) (included in other long-term liabilities)	(507)		(865)
Net contract liabilities	$	(65,462)	$	(72,832)

The Company receives payments from customers based upon billing cycles. Invoice payment terms are usually 30 days or less. Accounts receivable are recorded when the right to consideration becomes unconditional.

Deferred contract acquisition costs are recorded when incurred and are amortized over an estimated customer benefit period of five years.

The Company’s contract assets consist of unbilled amounts typically resulting from professional services where revenue is recognized in excess of total amounts billed to the customer. The Company’s contract liabilities consist of advance payments and billings in excess of revenue recognized.

In the three and six months ended June 30, 2025, the Company recognized revenue of $11.4 million and $60.9 million related to its contract liabilities at December 31, 2024.

Remaining Performance Obligations

As of June 30, 2025, the aggregate amount of the total transaction price allocated in contracts with original duration of greater than one year to the remaining performance obligations was $1,150.1 million. The Company expects to recognize revenue on approximately three-fourths of the remaining performance obligations over the next 24 months, with the balance recognized thereafter. The Company excludes amounts for remaining performance obligations that are part of contracts with an original expected duration of one year or less. Such remaining performance obligations represent unsatisfied or partially unsatisfied performance obligations.

3. Investments and Fair Value Measurements

Marketable Investments

The Company’s marketable investments have been classified and accounted for as available-for-sale. The Company’s intent is that all marketable investments are available for use in its current operations, including marketable investments with maturity dates greater than one year from June 30, 2025. The Company’s short-term

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marketable investments as of June 30, 2025 and December 31, 2024 were as follows (in thousands):



	June 30, 2025
Short-Term Marketable Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Certificates of deposit	$	816	$	—	$	—	$	816
U.S. treasury securities	217,055		135		(53)		217,137
U.S. agency and government-sponsored securities	184,880		26		(175)		184,731
Commercial paper	5,701		2		—		5,703
Municipal bonds	900		—		—		900
Corporate bonds	21,042		68		—		21,110
Total	$	430,394	$	231	$	(228)	$	430,397



	December 31, 2024
Short-Term Marketable Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Certificates of deposit	$	802	$	—	$	—	$	802
U.S. treasury securities	442,353		442		(223)		442,572
U.S. agency and government-sponsored securities	146,762		16		(18)		146,760
Commercial paper	9,600		8		—		9,608
Corporate bonds	43,550		124		(6)		43,668
Total	$	643,067	$	590	$	(247)	$	643,410

The following table presents the gross unrealized losses and the fair value for those marketable investments that were in an unrealized loss position for less than 12 months as of June 30, 2025 and December 31, 2024 (in thousands):


	June 30, 2025				December 31, 2024
	Less than 12 months				Less than 12 months
	Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value

U.S. treasury securities	$	(53)	$	112,141	$	(223)	$	104,716
U.S. agency and government-sponsored securities	(175)		98,667		(18)		76,484


Corporate bonds	—		—		(6)		4,219
Total	$	(228)	$	210,808	$	(247)	$	185,419

Although the Company had certain available-for-sale debt securities in an unrealized loss position as of June 30, 2025, no impairment loss was recorded since it did not intend to sell them, did not anticipate a need to sell them, and the decline in fair value was not due to any credit-related factors.

The amortized cost and fair value of the Company’s marketable investments by contractual maturity as of June 30, 2025 were as follows (in thousands):


	Cost		Fair Value
Due within one year	$	195,141	$	195,156
Due after one year through two years	235,253		235,241
Total	$	430,394	$	430,397

Fair Value Measurements

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The Company carries cash equivalents and marketable investments at fair value. Fair value is based on the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is estimated by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:

Level 1 — Observable inputs, which include unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2 — Observable inputs other than Level 1 inputs, such as quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 — Unobservable inputs that are supported by little or no market activity and that are based on management’s assumptions, including fair value measurements determined by using pricing models, discounted cash flow methodologies or similar techniques.

The Company determined the fair value of its Level 1 financial instruments, which are traded in active markets, using quoted market prices for identical instruments.

Marketable investments classified within Level 2 of the fair value hierarchy are valued based on other observable inputs, including broker or dealer quotations or alternative pricing sources. When quoted prices in active markets for identical assets or liabilities are not available, the Company relies on non-binding quotes from its investment managers, which are based on proprietary valuation models of independent pricing services. These models generally use inputs such as observable market data, quoted market prices for similar instruments, historical pricing trends of a security as relative to its peers. To validate the fair value determination provided by its investment managers, the Company reviews the pricing movement in the context of overall market trends and trading information from its investment managers. The Company performs routine procedures such as comparing prices obtained from independent sources to ensure that appropriate fair values are recorded.

The following tables set forth the Company’s assets measured at fair value by level within the fair value hierarchy (in thousands):


	June 30, 2025
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents
Money market funds	$	37,579	$	—	$	—	$	37,579






Total cash equivalents	$	37,579	$	—	$	—	$	37,579

Marketable investments
Certificates of deposit	$	—	$	816	$	—	$	816
U.S. treasury securities	217,137		—		—		217,137
U.S. agency and government sponsored securities	—		184,731		—		184,731
Commercial paper	—		5,703		—		5,703
Municipal bonds	—		900		—		900
Corporate bonds	—		21,110		—		21,110
Total marketable investments	$	217,137	$	213,260	$	—	$	430,397

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	December 31, 2024
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents
Money market funds	$	114,370	$	—	$	—	$	114,370
Certificates of deposit	—		496		—		496
U.S. treasury securities	42,946		—		—		42,946
U.S. agency and government-sponsored securities	—		41,832		—		41,832
Total cash equivalents	$	157,316	$	42,328	$	—	$	199,644

Marketable investments
Certificates of deposit	$	—	$	802	$	—	$	802
U.S. treasury securities	442,572		—		—		442,572
U.S. agency and government-sponsored securities	—		146,760		—		146,760
Commercial paper	—		9,608		—		9,608
Corporate bonds	—		43,668		—		43,668
Total marketable investments	$	442,572	$	200,838	$	—	$	643,410

In March 2024, the Company issued $747.5 million aggregate principal amount of 1.00% convertible senior notes due 2029 (the "2029 convertible senior notes") in a private offering. In connection with the issuance of the 2029 convertible senior notes, the Company used part of the net proceeds from the issuance to repurchase approximately $313.1 million aggregate principal amount of its 0.50% convertible senior notes due 2025 (the "2025 convertible senior notes"). As of December 31, 2024, the estimated fair value of the outstanding 2025 convertible senior notes was $423.2 million. The 2025 convertible senior notes matured on June 1, 2025, and the Company settled its obligations with respect to the 2025 senior notes in cash in connection therewith. As of June 30, 2025 and December 31, 2024, the estimated fair value of the outstanding 2029 convertible senior notes was $653.7 million and $674.8 million, respectively. The fair values were determined based on the quoted price of the convertible senior notes in an inactive market on the last trading day of the reporting period and have been classified as Level 2 in the fair value hierarchy. See Note 6 for further information on the Company’s convertible senior notes.

In February 2022, the Company made a $2.0 million equity investment in a privately-held company that the Company does not have the ability to exercise significant influence over. The Company elected to utilize the measurement alternative for an equity security without a readily determinable fair value. Accordingly, this investment is accounted for at its cost minus impairment, if any, and is classified within Level 3. If the Company identifies observable price changes in orderly transactions for such investment or a similar investment, it will measure the investment at fair value as of the date that the observable transactions or events occurred. During 2024, the Company noted an indicator of impairment of this investment and recorded a $1.3 million impairment charge. The Company concluded that there was no further indicator of impairment of this investment as of June 30, 2025.

Except for the equity investment described above, there were no assets or liabilities measured at fair value on a non-recurring basis as of June 30, 2025 and December 31, 2024.

The fair value of the Company’s other financial instruments, including accounts receivable, accounts payable and other current liabilities, approximate their carrying value due to the relatively short maturity of those instruments. The carrying amounts of the Company’s operating and finance leases approximate their fair value, which is the present value of expected future cash payments based on assumptions about current interest rates and the creditworthiness of the Company.

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4. Financial Statement Components

Cash and cash equivalents consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Cash	$	167,900	$	162,902
Money market funds	37,579		114,370
Certificates of deposit	—		496
U.S. treasury securities	—		42,946
U.S. agency and government sponsored securities	—		41,832


Total cash and cash equivalents	$	205,479	$	362,546

Accounts receivable, net consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Trade accounts receivable	$	110,623	$	99,551
Unbilled trade accounts receivable, net of advance customer deposits	17,596		15,962
Provision for credit losses	(384)		(341)
Accounts receivable, net	$	127,835	$	115,172

There was one customer that represented 12% of accounts receivable as of June 30, 2025.

Prepaid expenses and other current assets consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Prepaid expenses	$	34,516	$	27,988
Other current assets	10,416		15,646
Contract assets	3,054		7,206

Prepaid expenses and other current assets	$	47,986	$	50,840

Property and equipment, net consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Computer and network equipment	$	177,866	$	173,671
Computer software	65,765		66,455
Internal-use software development costs	72,900		49,340
Furniture and fixtures	4,559		5,127
Leasehold improvements	6,746		6,736
Property and equipment	327,836		301,329
Accumulated depreciation and amortization	(173,337)		(156,441)
Property and equipment, net	$	154,499	$	144,888

Depreciation and amortization expense associated with property and equipment was $11.2 million and $21.6 million for the three and six months ended June 30, 2025, respectively. Depreciation and amortization expense associated with property and equipment was $10.3 million and $19.8 million for the three and six months ended June 30, 2024, respectively. During the three and six months ended June 30, 2025, the Company recorded impairment charge of property and equipment in the amount of $0.5 million and $0.8 million, respectively.

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Other assets consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Other assets	$	7,735	$	8,984
Equity investment in a privately-held company	750		750
Deferred tax assets	2,767		3,650
Other assets	$	11,252	$	13,384

Accrued and other current liabilities consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Accrued expenses	$	26,283	$	30,822
Accrued compensation and benefits	46,403		44,002
Accrued federal fees	6,900		4,913
Sales tax liabilities	2,284		3,983
Accrued and other current liabilities	$	81,870	$	83,720

Other long-term liabilities consisted of the following (in thousands):


	June 30, 2025		December 31, 2024
Deferred revenue	$	507	$	865
Deferred tax liabilities	460		186
Sales tax liabilities	1,080		244
Other long-term liabilities	4,990		5,422

Other long-term liabilities	$	7,037	$	6,717

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5. Goodwill and Intangible Assets

The following table summarizes the activity in the Company's goodwill and intangible asset balances during the six months ended June 30, 2025 (in thousands):


	Goodwill		Intangible Assets
Beginning of the period, December 31, 2024	$	365,436	$	65,632
Measurement period adjustment (Acqueon)	1,262		—
Amortization	—		(7,564)
End of the period, June 30, 2025	$	366,698	$	58,068

The components of intangible assets were as follows (in thousands):



	June 30, 2025							December 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Remaining Amortization period (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Remaining Amortization period (Years)
Developed technology	$	105,714	$	(57,317)	$	48,397	5.9	$	105,714	$	(51,230)	$	54,484	6.0
Acquired workforce	470		(470)		—		0.0	470		(470)		—		0.0
Customer relationships	12,850		(3,942)		8,908		3.9	12,850		(2,681)		10,169		4.4
Trademarks	1,300		(537)		763		1.9	1,300		(321)		979		2.4
Total	$	120,334	$	(62,266)	$	58,068	5.5	$	120,334	$	(54,702)	$	65,632	5.7

Amortization expense related to intangible assets was $3.5 million and $7.6 million for the three and six months ended June 30, 2025, respectively. Amortization expense related to intangible assets was $2.6 million and $5.3 million for the three and six months ended June 30, 2024, respectively.

As of June 30, 2025, the expected future amortization expense for intangible assets was as follows (in thousands):


Period	Expected Future Amortization Expense
Remaining 2025	$	6,903
2026	13,008
2027	8,612
2028	8,246
2029	7,328
Thereafter	13,971
Total	$	58,068

6. Debt

Repurchase Transaction

In connection with the issuance of the 2029 convertible senior notes on March 1, 2024, the Company used part of the net proceeds from the issuance to repurchase approximately $313.1 million aggregate principal amount of the outstanding 2025 convertible senior notes in privately-negotiated transactions for aggregate cash consideration of approximately $304.9 million (the “Repurchase Transaction”).

The Repurchase Transaction was accounted for as a debt extinguishment. The difference between the consideration used to extinguish the 2025 convertible senior notes and the carrying value of the 2025 convertible

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senior notes (including unamortized debt discount and issuance costs) resulted in an extinguishment gain of approximately $6.6 million recorded in Other income (expense), net on the Company’s condensed consolidated statements of operations and comprehensive income (loss).

In connection with the Repurchase Transaction, the Company also entered into a partial termination agreement with each bank counterparty and unwound a corresponding portion of the previously purchased capped call instruments entered into in connection with the issuance of the 2025 convertible senior notes (the “2025 Capped Calls”). The Company received approximately $0.5 million in cash in connection with these partial terminations, representing the fair value at the date of settlement of the unwound 2025 Capped Calls.

2029 Convertible Senior Notes and Related Capped Call Transactions

In March 2024, the Company issued $747.5 million aggregate principal amount of 2029 convertible senior notes in a private offering, which aggregate principal amount included the exercise in full of the initial purchasers’ option to purchase up to an additional $97.5 million principal amount of the 2029 convertible senior notes. The 2029 convertible senior notes mature on March 15, 2029 and bear interest at a fixed rate of 1.00% per annum, payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2024. The total net proceeds from the issuance of the 2029 convertible senior notes, after deducting initial purchasers' discounts and commissions and estimated debt issuance costs, were approximately $728.8 million.

Each $1,000 principal amount of the 2029 convertible senior notes is initially convertible into 12.5918 shares of the Company’s common stock (the “2029 Conversion Option”), which is equivalent to an initial conversion price of approximately $79.42 per share of common stock, subject to adjustment upon the occurrence of specified events. The initial conversion price represents a premium of approximately 30% to the $61.09 per share closing price of the Company’s common stock on The Nasdaq Global Market on February 27, 2024. There have been no changes to the initial conversion price of the 2029 convertible senior notes since issuance. The 2029 convertible senior notes are convertible, in multiples of $1,000 principal amount, at the option of the holders prior to the close of business on the business day immediately preceding December 15, 2028, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2024 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “2029 Measurement Period”) in which the trading price (as defined in the 2029 Indenture governing the 2029 convertible senior notes) per $1,000 principal amount of the 2029 convertible senior notes for each trading day of the 2029 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2029 convertible senior notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after December 15, 2028 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their 2029 convertible senior notes, in multiples of $1,000 principal amount, at the option of the holder regardless of the foregoing circumstances.

Upon conversion, the Company will pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s election. If the Company undergoes a fundamental change (as defined in the indenture governing the 2029 convertible senior notes), subject to certain conditions, holders may require the Company to repurchase for cash all or any portion of their 2029 convertible senior notes, in principal amounts of $1,000 or a multiple thereof, at a fundamental change repurchase price equal to 100% of the principal amount of the 2029 convertible senior notes to be repurchased, plus accrued and unpaid interest, if any, to, but excluding, the fundamental change repurchase date. In addition, following certain corporate events or if the Company issues a notice of redemption, it will, under certain circumstances, increase the conversion rate for holders who elect to convert their notes in connection with such corporate event or during the relevant redemption period.

The closing market price of the Company's common stock of $26.48 per share on June 30, 2025, the last trading day during the three months ended June 30, 2025, was below $103.24 per share, which represents 130% of the initial conversion price of $79.42 per share. Additionally, the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day, June 30, 2025, was not greater than or equal to 130% of the initial conversion price. As such, during the three months ended June 30, 2025, the conditions allowing holders of the 2029 convertible senior notes to convert were not met. The 2029 convertible senior notes are therefore not convertible during the three months ending September 30, 2025.

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The Company may not redeem the 2029 convertible senior notes prior to March 22, 2027. The Company may redeem for cash all or any portion of the 2029 convertible senior notes, at its option, on or after March 22, 2027 and prior to December 15, 2028, if the last reported sale price of its common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption at a redemption price equal to 100% of the principal amount of the 2029 convertible senior notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption date. However, the Company may not redeem less than all of the outstanding 2029 convertible senior notes unless at least $100.0 million aggregate principal amount of 2029 convertible senior notes are outstanding and not called for redemption at the time the redemption notice is sent. No sinking fund is provided for the 2029 convertible senior notes.

The 2029 convertible senior notes are the Company’s senior unsecured obligations and rank senior in right of payment to any of the Company’s indebtedness that is expressly subordinated in right of payment to the 2029 convertible senior notes; equal in right of payment to any of the Company’s unsecured indebtedness that is not so subordinated (including the 2025 convertible senior notes); effectively junior in right of payment to any of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness; and structurally junior to all indebtedness and other liabilities.

The net carrying amount of the 2029 convertible senior notes was as follows (in thousands):


	June 30, 2025		December 31, 2024
Principal	$	747,500	$	747,500
Unamortized issuance costs	(13,880)		(15,645)
Net carrying amount	$	733,620	$	731,855

Interest expense related to the 2029 convertible senior notes was as follows (in thousands):


	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Contractual interest expense	$	1,869	$	1,869	$	3,738	$	2,492
Amortization of issuance costs	899		886		1,765		1,170
Total interest expense	$	2,768	$	2,755	$	5,503	$	3,662

The debt issuance costs are amortized into interest expense over the term of the 2029 convertible senior notes at an effective interest rate of 1.49%.

In connection with the issuance of the 2029 convertible senior notes, the Company entered into privately negotiated capped call transactions (each a “2029 Capped Call,” and collectively the "2029 Capped Calls") with certain financial institutions. The 2029 Capped Call has an initial strike price of approximately $79.42, subject to certain adjustments, which corresponds to the initial conversion price of the 2029 convertible senior notes. The 2029 Capped Calls have an initial cap price of $122.18 per share, subject to certain adjustments. The 2029 Capped Calls are expected to partially offset the potential dilution to the Company’s common stock upon any conversion of the 2029 convertible senior notes, with such offset subject to a cap based on the cap price. Each 2029 Capped Call covers, subject to anti-dilution adjustments, approximately 9.4 million shares of the Company’s common stock. The 2029 Capped Call is subject to adjustment upon the occurrence of specified extraordinary events affecting the Company, including merger events, tender offers, and announcement events. In addition, each 2029 Capped Call is subject to certain specified additional disruption events that may give rise to a termination of the 2029 Capped Calls, including nationalization, insolvency or delisting, changes in law, failures to deliver, insolvency filings, and hedging disruptions. For accounting purposes, each 2029 Capped Call is treated as a separate transaction from, and not part of the terms of the 2029 convertible senior notes. As these transactions meet certain accounting criteria, the 2029 Capped Calls are recorded in stockholders' equity and are not accounted for as derivatives. The 2029 Capped Calls will not be remeasured as long as they continue to meet the conditions for equity classification.

2025 Convertible Senior Notes and Related Capped Call Transactions

In May and June 2020, the Company issued $747.5 million aggregate principal amount of 2025 convertible senior notes in a private offering, which aggregate principal amount included the exercise in full of the initial purchasers’ option to purchase up to an additional $97.5 million principal amount of the 2025 convertible senior

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notes. The total net proceeds from the issuance of the 2025 convertible senior notes, after deducting initial purchasers' discounts and commissions and estimated debt issuance costs, were approximately $728.8 million.

In March 2024, the Company used part of the net proceeds from the issuance of the 2029 convertible senior notes to repurchase $313.1 million aggregate principal amount of the 2025 convertible senior notes in privately-negotiated transactions.

The 2025 convertible senior notes matured on June 1, 2025, and the Company settled its obligations with respect to the 2025 senior notes in cash in connection therewith. Prior to maturity, the 2025 convertible senior notes bore interest at a fixed rate of 0.500% per annum, payable semiannually in arrears on June 1 and December 1 of each year. There were no changes to the 2025 convertible senior notes' initial conversion price of approximately $134.34 per share of common stock since the date of issuance.

The net carrying amount of the 2025 convertible senior notes as of December 31, 2024 was $433.5 million. There were no 2025 convertible senior notes outstanding as of June 30, 2025.

Interest expense related to the 2025 convertible senior notes was as follows (in thousands):


	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Contractual interest expense	$	362	$	543	$	905	$	1,347

Amortization of issuance costs	374		549		915		1,339
Total interest expense	$	736	$	1,092	$	1,820	$	2,686

In connection with the issuance of the 2025 convertible senior notes, the Company entered into privately negotiated capped call transactions (each a “2025 Capped Call,” and collectively the "2025 Capped Calls") with certain financial institutions. The 2025 Capped Calls each had an initial strike price of approximately $134.34, which corresponded to the initial conversion price of the 2025 convertible senior notes. In connection with the Repurchase Transaction, the Company unwound a portion of the 2025 Capped Calls. Refer to the Repurchase Transaction section above for further information. The remaining 2025 Capped Calls covered, subject to anti-dilution adjustments, approximately 3.2 million shares of the Company’s common stock. For accounting purposes, each 2025 Capped Call was a separate transaction from, and not part of the terms of the 2025 convertible senior notes. As these transactions met certain accounting criteria, the 2025 Capped Calls were recorded in stockholders' equity and were not accounted for as derivatives. Upon maturity, the outstanding 2025 Capped Calls associated with the 2025 convertible senior notes were settled with no consideration received since their strike prices were in excess of the Company's stock price at that time.

7. Stockholders’ Equity

Capital Structure

Common Stock

The Company is authorized to issue 450,000,000 shares of common stock with a par value of $0.001 per share. As of June 30, 2025 and December 31, 2024, the Company had 77,262,690 and 75,807,505 shares of common stock issued and outstanding, respectively.

Preferred Stock

The Company is authorized to designate and issue up to 5,000,000 shares of preferred stock with a par value of $0.001 per share in one or more series without stockholder approval and to fix the rights, preferences, privileges and restrictions thereof. As of June 30, 2025 and December 31, 2024, there were no shares of preferred stock issued and outstanding.

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Common Stock Reserved for Future Issuance

Shares of common stock reserved for future issuance related to outstanding equity awards and employee equity incentive plans as of June 30, 2025 were as follows (in thousands):


						June 30, 2025
Stock options outstanding						848
RSUs (including PRSUs) outstanding						7,198
Shares available for future grant under 2014 Plan						13,029
Shares available for future issuance under ESPP						3,961

Total shares of common stock reserved						25,036

Stock Options

A summary of the Company’s stock option activity during the six months ended June 30, 2025 is as follows (in thousands, except per share data):


	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding as of December 31, 2024	860	$	55.34
Options granted	—	—
Options exercised	(5)	5.57
Options forfeited or expired	(7)	127.66
Outstanding as of June 30, 2025	848	55.15		3.1	$	3,860

The aggregate intrinsic value amounts are computed based on the difference between the exercise price of the stock options and the fair market value of the Company’s common stock of $26.48 per share as of June 30, 2025 for all in-the-money stock options outstanding.

Restricted Stock Units (including PRSUs)

A summary of the Company’s restricted stock unit ("RSU") activity, including PRSUs, during the six months ended June 30, 2025 is as follows (in thousands, except per share data):


	Number of Shares	Weighted Average Grant Date Fair Value Per Share
Outstanding as of December 31, 2024	5,829	$	57.27
RSUs granted(1)	3,349	37.92
RSUs vested and released	(1,113)	66.82
RSUs forfeited or cancelled	(867)	51.31
Outstanding as of June 30, 2025	7,198	48.85

(1) Includes 267,711 PRSUs granted during the six months ended June 30, 2025.

PRSUs with Market Conditions During the six months ended June 30, 2025, the Company granted 267,711 market-based PRSUs with a grant date fair value of $13.9 million. The amount that may be earned pursuant to the market-based PRSUs ranges from 0% to 200% of the target number based on the Company’s relative total shareholder return (“RTSR”) performance during the 2025-2027 performance period as compared to the performance during such period of companies in the S&P Software and Services Select Index on January 1, 2025. The 2025-2027 performance period contains three overlapping measurement periods—a one-year period (2025), a two-year period (2025–2026), and a three-year period (2025–2027). One-third of the total market-based PRSUs may be earned and settled in shares following the end of each measurement period based on RTSR performance and subject to continued employment through the payment date. If the Company’s absolute total shareholder return for any measurement period is negative, then no more than 100% of the target amount of market-based PRSUs for such period may be earned. If an executive's employment with the Company terminates before the end of the final one-year performance period due to death or disability, 100% (if due to death) or 50% (if due to disability) of the

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unvested market-based PRSUs may be earned subject to ultimate RTSR performance in each remaining performance period. Upon a qualifying termination of employment in connection with a change in control of the Company, the unvested market-based PRSUs subject to the 2023-2025 performance period, the 2024-2026 performance period and the 2025-2027 performance period will vest on a double-trigger basis (i) at the target level for the uncompleted portions of the performance periods and (ii) at the actual level of performance measured through the date of the change in control of the Company, based on the price per share paid in such change in control. The fair value of the market-based PRSUs is determined on their grant date using a Monte Carlo Simulation model based upon assumptions presented below. The Company recognizes the fair value of the market-based PRSUs ratably over their requisite service period.

During the first quarter of 2025, the Company certified the performance results for the 2024 measurement period for the market-based PRSUs subject to the 2022-2024 performance period, the 2023-2025 performance period and the 2024-2026 performance period. The Company determined that its actual total shareholder return was (47.25)% for 2024. The Company's relative total shareholder return ranking for the market-based PRSUs subject to the 2022-2024 performance period was in the 3.7 percentile relative to companies in the S&P Software & Services Select Index on January 1, 2022, which resulted in a payout percentage of 0.00% of target for the 2024 measurement for such PRSUs. The Company's relative total shareholder return ranking for the market-based PRSUs subject to the 2023-2025 performance period was in the 2.9 percentile relative to companies in the S&P Software & Services Select Index on January 1, 2023, which resulted in a payout percentage of 0.00% of target for the 2024 measurement period for such PRSUs. The Company's relative total shareholder return ranking for the market-based PRSUs subject to the 2024-2026 performance period was in the 1.5 percentile relative to companies in the S&P Software & Services Select Index on January 1, 2024, which resulted in a payout percentage of 0.00% of target for the 2024 measurement period for such PRSUs.

Stock-Based Compensation

Stock-based compensation expense was as follows (in thousands):



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Cost of revenue	$	7,296	$	7,789	$	14,480	$	15,392
Research and development	8,829		9,827		17,519		20,757
Sales and marketing	13,355		13,824		24,929		27,844
General and administrative	12,379		12,192		24,176		24,323
Total stock-based compensation expense	$	41,859	$	43,632	$	81,104	$	88,316

As of June 30, 2025, unrecognized stock-based compensation expense by award type and expected weighted-average recognition periods are summarized in the following table (in thousands, except years).


	Stock Option		RSU (excluding PRSUs)		PRSU		ESPP
Unrecognized stock-based compensation expense	$	499	$	296,891	$	17,148	$	1,377
Weighted-average amortization period	0.6 years		2.7 years		1.5 years		0.4 years

The weighted-average assumptions used to value PRSUs with market conditions granted during the periods presented were as follows:










PRSUs (Market Conditions)	Three Months Ended		Six Months Ended
	June 30, 2025	June 30, 2024	June 30, 2025		June 30, 2024
Expected term (years)	—	—	2.84		2.85
Volatility	—	—	55.8	%	49.4	%
Risk-free interest rate	—	—	4.0	%	4.5	%
Dividend yield (1)	—	—	—		—

(1)The Company has not paid, and does not anticipate paying, cash dividends on its shares of common stock. Accordingly, the expected dividend yield is zero.

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8. Net Income (Loss) Per Share

Basic net income (loss) per share is calculated by dividing net income (loss) by the weighted average number of shares of common stock outstanding during the period, and excludes any dilutive effects of employee stock-based awards and potential shares upon conversion of the convertible senior notes. Diluted net income (loss) per share is computed giving effect to all potentially dilutive shares of common stock, including common stock issuable upon exercise of stock options, vesting of RSUs and PRSUs, and shares of common stock issuable upon conversion of convertible senior notes.

The following table presents the calculation of basic and diluted net income (loss) per share (in thousands, except per share data):



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Net income (loss)	$	1,154	$	(12,816)	$	1,730	$	(19,893)
Weighted-average shares used in computing basic and diluted net income (loss) per share:
Basic	76,654		74,203		76,303		73,845
Diluted	88,523		74,203		88,964		73,845
Basic and diluted net income (loss) per share:
Basic	$	0.02	$	(0.17)	$	0.02	$	(0.27)
Diluted	$	0.01	$	(0.17)	$	0.02	$	(0.27)

The following securities were excluded from the calculation of diluted net income (loss) per share because their effect would have been anti-dilutive (in thousands):



	Three Months Ended		Six Months Ended
	June 30, 2025	June 30, 2024	June 30, 2025	June 30, 2024
Stock options	—	901	—	901
RSUs (including PRSUs)	—	5,258	—	5,258
Convertible senior notes	—	12,646	—	10,272

Total	—	18,805	—	16,431

The Company used the if-converted method for calculating any potential dilutive effect of its convertible senior notes for the three and six months ended June 30, 2025 and 2024. Under this method, the Company calculates diluted earnings per share under both the cash and share settlement assumptions to determine which is more dilutive. If share settlement is more dilutive, the Company calculates diluted earnings per share assuming that all of the convertible senior notes were converted solely into shares of common stock at the beginning of the reporting period. The potential impact upon the conversion of the convertible senior notes were included in the calculation of diluted net income per share for the three and six months ended June 30, 2025 and were excluded in the calculation of diluted net loss per share for the three and six months ended June 30, 2024 because the effect would have been anti-dilutive.

9. Income Taxes

The provision for income taxes for the three and six months ended June 30, 2025 was approximately $1.4 million and $1.6 million, respectively. The provision for income taxes for the three and six months ended June 30, 2024 was approximately $3.3 million and $4.3 million, respectively.

The provision for income taxes for the three and six months ended June 30, 2025 and June 30, 2024 consisted primarily of U.S. federal and U.S. state tax expense as a result of IRC Section 174 research and experimental capitalization requirements and tax attribute utilization limitations, and foreign current income tax expense as a result of income produced by the Company's intercompany cost-plus operating model. For the three and six months ended June 30, 2025, the provision for income taxes differed from the statutory amount primarily due to the U.S. valuation allowance maintained against the U.S. net deferred tax assets. For the three and six months ended June 30,

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2024, the provision for income taxes differed from the statutory amount primarily due to certain U.S. and foreign jurisdictions where a full valuation allowance was maintained against the net deferred tax assets.

The realization of tax benefits from deferred tax assets is dependent upon future levels of taxable income, of an appropriate character, to be recognized in the periods the items are expected to be deductible or taxable. Based on the weight of the available objective evidence, the Company does not believe it is more likely than not that the U.S. net deferred tax assets will be realizable. Accordingly, the Company has provided a full valuation allowance against such net deferred tax assets as of June 30, 2025 and December 31, 2024. The Company intends to maintain the valuation allowance until sufficient positive evidence exists to support a reversal of, or decrease in, the valuation allowance. During the three and six months ended June 30, 2025, there were no material changes to the total amount of unrecognized tax benefits.

10. Commitments and Contingencies

Commitments

The Company’s principal commitments consist of future payment obligations under its convertible senior notes, finance leases to finance data centers and other computer and networking equipment, operating leases for office facilities, cloud services and software and maintenance agreements, and agreements with third parties to provide co-location hosting and telecommunication services. These commitments as of December 31, 2024 are disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, and material updates to these commitments during the six months ended June 30, 2025 are disclosed herein, including in this Note 10 and in Note 12.

As of June 30, 2025, the Company’s commitments under various co-location hosting and telecommunication usage service agreements totaled $12.0 million for terms ranging up to approximately five years. These agreements require the Company to make payments over the service term in exchange for certain network services.

As of June 30, 2025, the Company had outstanding cloud services and software and maintenance agreement commitments totaling $25.5 million, of which $7.4 million is expected to be purchased in the remainder of 2025, and the remaining $18.1 million is expected to be purchased in 2026. The Company entered into equipment finance lease arrangements that resulted in a $6.7 million additional reduction of its outstanding cloud services commitment. See Note 12 for more information.

As of June 30, 2025, (i) no 2025 convertible senior notes were outstanding since they matured on June 1, 2025 and the Company settled its obligations with respect to the 2025 senior notes in cash in connection therewith, and (ii) $747.5 million of aggregate principal of the 2029 convertible senior notes was outstanding, which 2029 convertible senior notes have a maturity date of March 15, 2029. See Note 6 for more information concerning the convertible senior notes.

Legal Matters

The Company is involved in various legal and regulatory matters arising in the normal course of business. In management’s opinion, resolution of these matters is not expected to have a material impact on the Company’s consolidated results of operations, cash flows, or its financial position. However, due to the uncertain nature of legal matters, an unfavorable resolution of a matter could materially affect the Company’s future consolidated results of operations, cash flows or financial position in a particular period. The Company expenses legal fees as incurred. The Company is currently party to the following action:

On December 4, 2024, a purported holder of the Company’s securities filed a putative class action complaint against the Company, its Chief Executive Officer, and its Chief Financial Officer in the United States District Court for the Northern District of California alleging violations of Section 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5, promulgated thereunder, based on alleged false and/or misleading statements or omissions regarding the Company and its business and seeking unspecified damages on behalf of all persons and entities (subject to specified exceptions) that purchased or otherwise acquired the Company’s securities, including call options, from June 4, 2024, through the close of trading on August 8, 2024. On February 3, 2025, Lucid Alternative Fund, LP moved to be appointed lead plaintiff of this action pursuant to the Private Securities Litigation Reform Act of 1995. On March 18, 2025, the court appointed Lucid Alternative Fund, LP as lead plaintiff and approved lead plaintiff’s selection of lead counsel. Per the court’s subsequent order on March 27, 2025, Lucid Alternative Fund, LP filed an amended complaint on May 30, 2025. The Company filed a motion to dismiss the amended complaint on July 29, 2025. The Company cannot predict the duration or outcome of this lawsuit at this time. As a result, the

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Company is unable to estimate the reasonably possible loss or range of reasonably possible losses arising from this lawsuit. The Company intends to vigorously defend this lawsuit.

On March 18, 2025, a related shareholder derivative action was filed in the United States District Court for the Northern District of California on behalf of nominal defendant Five9, Inc. and against its directors and certain of its officers seeking to assert claims for breach of fiduciary duty, unjust enrichment, abuse of control, gross mismanagement, and waste of corporate assets, and for contribution under Sections 10(b) and 21D of the Securities Exchange Act of 1934. The Company was served with the complaint on March 20, 2025. On April 4, 2025, the parties to the derivative action jointly filed a stipulation with the court to stay the derivative action until the resolution of the motion to dismiss in the securities action, as well as any subsequent motion to dismiss any further amended complaint in the securities action. On April 8, 2025, the court approved the stay stipulation.

Indemnification Agreements

In the ordinary course of business, the Company enters into agreements of varying scope and terms pursuant to which it agrees to indemnify customers, vendors, lessors, business partners and other parties with respect to certain matters, including losses arising out of breach of such agreements, including breach of security, services to be provided by the Company or from intellectual property infringement claims made by third parties. The Company has received indemnification demands, and will likely continue to receive demands, from customers regarding its intellectual property indemnification obligations under these contracts. In addition, the Company has entered into indemnification agreements with its directors, officers and certain employees that requires it, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors, officers or employees. There are no claims that the Company is aware of that could have a material effect on the consolidated balance sheets, consolidated statements of operations and comprehensive income (loss), or consolidated statements of cash flows.

11. Segment and Geographical Information

The Company has a single operating and reportable segment and manages its business activities on a consolidated basis. The Company’s single segment provides its solution through a SaaS business model. The Company generates subscription revenue from its Intelligent CX Platform, and also generates usage-based telephony revenue. The Company charges its customers monthly subscription fees for access to its solution, primarily based on the number of licenses. The Company’s AI solutions are sold to its customers on a consumption or capacity basis. The Company’s reliable, secure, and scalable Intelligent CX Platform, powered by Five9 Genius AI, delivers a comprehensive suite of easy-to-use applications that enable the breadth of customer service, sales, and marketing related functions. The Company’s chief operating decision maker (“CODM”) is its chief executive officer. The Company’s CODM reviews financial information presented on a consolidated basis for purposes of assessing financial performance and making operating decisions on how to allocate resources based on net income (loss) that is also reported on its consolidated statements of operations and comprehensive income (loss) as consolidated net

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income (loss). The measure of segment assets is reported on its consolidated balance sheets as total consolidated assets.

Revenue by Geographic Areas

The following table summarizes revenues by geographic region based on customer billing address (in thousands):



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
United States	$	251,390	$	224,532	$	498,446	$	443,792
International	31,879		27,554		64,528		55,304
Total revenue	$	283,269	$	252,086	$	562,974	$	499,096

Long-Lived Assets, Net by Geographic Areas

The following table summarizes total property and equipment, net in the respective locations (in thousands):



	June 30, 2025		December 31, 2024
United States	$	142,702	$	136,382
International	11,797		8,506
Property and equipment, net	$	154,499	$	144,888

Total purchases of property and equipment for the six months ended June 30, 2025 and 2024 are disclosed in the Company’s Consolidated Statements of Cash Flows.

Segment Information - Consolidated Statement of Operations


	Three Months Ended,				Six Months Ended,
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Revenue	$	283,269	$	252,086	$	562,974	$	499,096
Adjusted cost of revenue(1)	(104,724)		(99,677)		(209,814)		(196,481)
Adjusted research and development(2)	(27,419)		(29,633)		(58,491)		(59,000)
Adjusted sales and marketing(3)	(63,967)		(64,482)		(135,212)		(131,544)
Adjusted general and administrative(4)	(19,209)		(16,513)		(38,804)		(32,704)
Other segment items(5)	(54,862)		(48,208)		(98,503)		(94,306)
Depreciation and amortization	(14,649)		(12,938)		(29,139)		(25,121)
Interest expense	(3,820)		(3,906)		(7,935)		(6,473)
Gain on early extinguishment of debt	—		—		—		6,615
Interest income and other	7,917		13,800		18,220		24,359
Provision for income taxes	(1,382)		(3,345)		(1,566)		(4,334)
Net income (loss)	$	1,154	$	(12,816)	$	1,730	$	(19,893)

___________________

(1) Adjusted cost of revenue includes cost of revenue in accordance with GAAP, adjusted for depreciation and amortization, stock-based compensation, acquisition and related transaction costs and one-time integration costs, lease amortization for finance leases, and costs related to a reduction in force plan.

(2) Adjusted research and development includes research and development in accordance with GAAP, adjusted for depreciation and amortization, stock-based compensation, exit costs related to the closure and relocation of the Company’s Russian operations, acquisition and related transaction costs and one-time integration costs, lease amortization for finance leases, and costs related to a reduction in force plan.

(3) Adjusted sales and marketing includes sales and marketing expense in accordance with GAAP, adjusted for depreciation and amortization, stock-based compensation, and costs related to a reduction in force plan.

(4) Adjusted general and administrative included general and administrative expense in accordance with GAAP, adjusted for depreciation and amortization, stock-based compensation, exit costs related to the closure and relocation of the Company’s Russian operations, acquisition and related transaction costs and one-time integration costs, one-time expenses related to strategic consulting services for operational review, other

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cost-reduction and productivity initiatives, legal fees related to the securities class action, costs related to a reduction in force plan, and office closure lease termination costs.

(5) Other segment items included in segment net income (loss) includes stock-based compensation, exit costs related to the closure and relocation of our Russian operations, acquisition and related transaction costs and one-time integration costs, lease amortization for finance leases, one-time expenses related to strategic consulting services for operational review, other cost-reduction and productivity initiatives, legal fees related to the securities class action, costs related to a reduction in force plan, and office closure lease termination costs.

12. Leases

The Company has leases for offices, data centers and computer and networking equipment that expire at various dates through 2031. The Company’s leases have remaining terms of one to seven years, some of the leases include a Company option to extend the leases for up to one to five years, and some of the leases include the option to terminate the leases upon 30-days' notice. The Company does not separate lease and non-lease components for real estate operating leases.

As the Company’s leases do not provide an implicit rate, the net present value of future minimum lease payments is determined using the Company’s incremental borrowing rate. Operating leases with a duration of 12 months or less are excluded from right-of-use assets and operating lease liabilities, and related lease payments are generally recognized on a straight-line basis over the lease term and variable lease payments are recognized as incurred.

The Company entered into additional three-year equipment finance lease agreements and recognized $3.9 million right of use assets during the six months ended June 30, 2025, which were reported within Finance lease right-of-use assets and are being depreciated on a straight-line basis over the lease term. As a result, the Company also recognized short-term lease liabilities of $1.3 million within Finance lease liabilities and long-term lease liabilities of $2.6 million within Finance lease liabilities - less current portion during these periods.

The components of lease expenses were as follows (in thousands):


	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Operating lease cost	$	3,123	$	2,804	$	6,295	$	6,070
Finance lease cost:
Amortization of right-of-use assets	$	2,311	$	455	$	4,319	$	911
Interest on finance lease liabilities	289		63		548		131
Total finance lease cost	$	2,600	$	518	$	4,867	$	1,042

Supplemental cash flow information related to leases was as follows (in thousands):


	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash used in operating leases	$	(3,519)	$	(2,687)	$	(6,893)	$	(5,772)
Financing cash used in finance leases	(2,506)		(487)		(4,671)		(966)
Right of use assets obtained in exchange for lease obligations:
Operating leases	3,767		420		4,570		629
Finance leases	—		—		3,853		—

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Supplemental balance sheet information related to leases was as follows (in thousands):


	June 30, 2025		December 31, 2024
Operating leases
Operating lease right-of-use assets	$	37,433	$	38,880

Operating lease liabilities	$	11,473	$	11,258
Operating lease liabilities — less current portion	35,225		37,071
Total operating lease liabilities	$	46,698	$	48,329
Finance leases
Finance lease right-of-use assets	$	18,803	$	19,269

Property and equipment, gross	$	20,813	$	21,708
Less: accumulated depreciation and amortization	(20,813)		(21,708)
Property and equipment, net	$	—	$	—

Finance lease liabilities	$	9,174	$	7,768
Finance lease liabilities — less current portion	10,012		11,688
Total finance lease liabilities	$	19,186	$	19,456

Weighted average remaining terms were as follows (in years):


	June 30, 2025	December 31, 2024
Weighted average remaining lease term
Operating leases	4.7	5.0
Finance leases	2.2	2.5

Weighted average discount rates were as follows:


	June 30, 2025		December 31, 2024
Weighted average discount rate
Operating leases	4.3	%	4.2	%
Finance leases	5.8	%	5.8	%

Maturities of lease liabilities were as follows (in thousands):


Year Ending December 31,	Operating Leases		Finance Leases
Remaining 2025	$	6,752	$	5,056
2026	12,240		9,095
2027	9,384		5,906
2028	7,659		319
2029	7,394		—
Thereafter	7,838		—
Total future minimum lease payments	51,267		20,376
Less: imputed interest	(4,569)		(1,190)
Total	$	46,698	$	19,186

As of June 30, 2025, the Company had entered into an additional operating lease that commenced on July 1, 2025, representing a total commitment over its term of approximately $3.8 million.

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13. Acquisition

Acqueon

On August 27, 2024, the Company acquired all of the issued and outstanding shares of capital stock of Acqueon for total consideration of approximately $173.8 million. This acquisition, which was accounted for as a business combination, is intended to build on the pre-existing partnership between the companies, and to extend the Company's AI-powered CX platform by adding omnichannel proactive customer engagement to expand the Company's outbound capabilities.

The excess of the purchase price over identifiable intangible assets and net tangible assets in the amount of $139.4 million was allocated to goodwill, which is not deductible for tax purposes. The fair values assigned to assets acquired and liabilities assumed are based on management’s best estimates and assumptions as of the acquisition date and are considered preliminary pending finalization of valuation analyses pertaining to intangible assets acquired, liabilities assumed and tax liabilities assumed. During the measurement period, which may be up to one year from the acquisition date, the Company may record adjustments to the fair value of these tangible and intangible assets acquired and liabilities assumed, with the corresponding offset to goodwill. The Company recorded adjustments of less than $0.1 million and $1.3 million within the one year from acquisition date measurement period for 2024 and for the six months ended June 30, 2025, respectively.

The following table presents the preliminary allocation of the purchase price at the acquisition date (in thousands):


Cash	$	6,661
Tangible assets acquired	3,559
Other assets acquired	7,333
Acquired technology	30,400
Customer relationships	8,700
Trademarks	800
Goodwill	139,429
Total assets acquired	196,882
Deferred tax liability	(5,058)
Liabilities assumed	(17,997)
Total	$	173,827

The acquired technology, customer relationships, and trademarks will be amortized on a straight-line basis over their estimated useful lives of eight years, five years, and three years, respectively. The Company used the income approach to estimate the fair value of intangible assets acquired.

In connection with this acquisition, the Company incurred total acquisition-related transaction costs of $7.9 million during 2024, and incurred no additional costs during the six months ended June 30, 2025, that have been expensed as incurred and included in general and administrative expenses in the consolidated statements of operations and comprehensive income (loss).

The results of operations of this acquisition are included in the accompanying consolidated statements of operations and comprehensive income (loss) from the date of acquisition and are not material to the Company's condensed consolidated financial statements.

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14. Restructurings

On August 20, 2024, the Company announced a reduction in force plan (the “2024 Plan”) as part of its broader efforts to drive balanced, profitable growth, further supporting its positive, long-term outlook and focus on increasing stockholder value. The 2024 Plan reduced the Company’s global full-time employees by approximately 6%. For the year ended December 31, 2024, the Company incurred a total of $9.6 million in restructuring costs under the 2024 Plan, primarily consisting of notice period payments, severance payments, employee benefits and related costs, all of which are cash expenditures, of which $2.1 million was recorded in cost of revenue, $1.9 million was recorded in research and development expenses, $4.4 million was recorded in sales and marketing expenses, and $1.2 million was recorded in general and administrative expenses on the consolidated statements of operations and comprehensive income (loss). As of June 30, 2025, $9.4 million had been paid and the remaining $0.2 million was recorded within Accrued and other current liabilities in the consolidated balance sheets and is expected to be mostly paid in the second half of 2025. Other than as set forth herein, the Company does not expect to incur any additional costs under the 2024 Plan.

On March 31, 2025, the Board of Directors of the Company approved a reduction in force plan (the “2025 Plan”) as part of its broader efforts to prioritize investments in key strategic areas, including artificial intelligence, as well as to drive profitable growth in supporting its positive, long-term outlook and increasing stockholder value. On April 3, 2025, the Company commenced execution of the 2025 Plan, which resulted in the reduction of the Company’s global full-time employees by approximately 4%. During the three and six months ended June 30, 2025, the Company incurred a total of $7.8 million in restructuring costs under the 2025 Plan, primarily consisting of notice period payments, severance payments, employee benefits and related costs, all of which are cash expenditures, of which $1.6 million was recorded in cost of revenue, $1.9 million was recorded in research and development expenses, $3.3 million was recorded in sales and marketing expenses, and $1.0 million was recorded in general and administrative expenses on the consolidated statements of operations and comprehensive income (loss). As of June 30, 2025, $7.5 million had been paid and the remaining $0.3 million was recorded within Accrued and other current liabilities in the consolidated balance sheets and is expected to be mostly paid in the second half of 2025. During the three and six months ended June 30, 2025, the Company also incurred an additional $2.1 million in stock-based compensation costs related to the 2025 Plan due to additional vesting of share-based awards, of which $0.3 million was recorded in cost of revenue, $0.5 million was recorded in research and development expenses, $1.1 million was recorded in sales and marketing expenses, and $0.2 million was recorded in general and administrative expenses on the consolidated statements of operations and comprehensive income (loss). Other than as set forth herein, the Company does not expect to incur any additional costs under the 2025 Plan.

15. Subsequent Event

H.R.1, the One Big Beautiful Bill Act, was signed into law on July 4, 2025 (the “OBBBA”), introducing significant changes to the U.S. tax code, including the reinstatement of 100% bonus depreciation, the immediate expensing of domestic research and development expenditures under Section 174A, and modifications to the Section 163(j) interest deduction limitation, which may impact the Company's effective tax rate beginning in the third quarter of 2025. As the enactment occurred after the end of the Company's second fiscal quarter, the effects of the OBBBA are not reflected in its Q2 financial statements. However, the Company is currently evaluating the anticipated impact of the legislation on its tax position, cash flows, and capital allocation strategy.

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion in conjunction with the condensed consolidated financial statements and notes thereto included elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for the year ended December 31, 2024.

Overview

We are a leading provider of intelligent cloud contact centers with more than 3,000 customers. We believe we achieved this leadership position through our expertise and technology, which has empowered us to help organizations of all sizes transition from legacy on-premises contact center systems to our cloud solution. Our solution, comprised of our Intelligent CX Platform and applications, allows simultaneous management and optimization of customer interactions across voice, chat, email, web, social media and mobile channels, either directly or through our APIs. Our Intelligent CX Platform, powered by Five9 Genius AI, matches each customer interaction with an appropriate agent resource and delivers relevant customer data to the agent in real-time through integrations with adjacent enterprise applications, such as CRM software, to optimize the customer experience and improve agent productivity. Unlike legacy on-premises contact center systems, our solution requires minimal up-front investment, can be rapidly deployed and adjusted depending on our customer’s requirements.

Since founding our business in 2001, we have focused exclusively on delivering cloud contact center software. We initially targeted smaller contact center opportunities with our telesales team and, over time, invested in expanding the breadth and depth of the functionality of our cloud platform to meet the evolving requirements of our customers. In 2009, we made a strategic decision to expand our market opportunity to include larger contact centers. This decision drove further investments in research and development and the establishment of our field sales team to meet the requirements of these larger contact centers. We believe this shift has helped us diversify our customer base, while significantly enhancing our opportunity for future revenue growth. In 2018, we started including AI enhancements to our platform, and AI is now embedded throughout our platform. To complement these efforts, we have also focused on building customer awareness and driving adoption of our solution through marketing activities, which include internet advertising, digital marketing campaigns, social media, trade shows, industry events, telemarketing and out of home campaigns.

We provide our solution through a software-as-a-service, or SaaS, business model. We generate subscription revenue from our Intelligent CX Platform, and also generate usage-based telephony revenue. We charge our customers monthly subscription fees for access to our Intelligent CX Platform, primarily based on the number of licenses, as well as on a consumption or capacity basis for our AI solutions. Our customers generally purchase both subscriptions and related telephony usage from us. However, a growing number of our customers subscribe to our platform but purchase telephony usage directly from wholesale telecommunications service providers. We offer monthly, annual and multiple-year contracts to our customers, generally with 30 days’ notice required for limited reductions in the number of licenses or the level of consumption or capacity. Increases in the number of licenses or the level of consumption or capacity can be provisioned almost immediately. Subscription fees are generally billed monthly in advance, while related usage fees are billed in arrears. For each of the three and six months ended June 30, 2025, subscription and related usage fees accounted for 93% of our revenue. For the three and six months ended June 30, 2024, subscription and related usage fees accounted for 91% and 92% of our revenue, respectively. The remainder was comprised of professional services revenue from the implementation and optimization of our solution.

Macroeconomic Factors

We are subject to risks and exposures, including continued macroeconomic challenges, the impact of global tariff increases and potential future increases and announcements regarding same, the Russia-Ukraine conflict and the conflicts in the Middle East. While the implications of macroeconomic challenges, and global and regional conflicts on our business, results of operations and overall financial position remain uncertain over the long term, we expect that macroeconomic challenges will continue to have an adverse impact on our revenue in future periods.

Reduction in Force Plans

In August 2024, we announced a reduction in force plan, or the 2024 Plan, as part of our broader efforts to drive balanced, profitable growth, further supporting our positive, long-term outlook and focus on increasing stockholder value. The 2024 Plan reduced our global full-time employees by approximately 6%. For the year ended December 31, 2024, we incurred a total of $9.6 million in restructuring costs under the 2024 Plan, primarily consisting of notice period payments, severance payments, employee benefits and related costs, all of which were cash expenditures, of which $2.1 million was recorded in cost of revenue, $1.9 million was recorded in research and

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development expenses, $4.4 million was recorded in sales and marketing expenses, and $1.2 million was recorded in general and administrative expenses. We do not expect to incur any additional costs under the 2024 Plan.

On March 31, 2025, our Board of Directors approved a reduction in force plan, or the 2025 Plan, as part of our broader efforts to prioritize investments in key strategic areas, including artificial intelligence, as well as to drive profitable growth in supporting our positive, long-term outlook and increasing stockholder value. On April 3, 2025, we commenced execution of the 2025 Plan, which resulted in the reduction of our global full-time employees by approximately 4%. During the three and six months ended June 30, 2025, we incurred a total of $7.8 million in restructuring costs under the 2025 Plan, primarily consisting of notice period payments, severance payments, employee benefits and related costs, all of which are cash expenditures, of which $1.6 million was recorded in cost of revenue, $1.9 million was recorded in research and development expenses, $3.3 million was recorded in sales and marketing expenses, and $1.0 million was recorded in general and administrative expenses on the consolidated statements of operations and comprehensive income (loss). During the three and six months ended June 30, 2025, we also incurred an additional $2.1 million in stock-based compensation costs related to the 2025 Plan due to additional vesting of share-based awards, of which $0.3 million was recorded in cost of revenue, $0.5 million was recorded in research and development expenses, $1.1 million was recorded in sales and marketing expenses, and $0.2 million was recorded in general and administrative expenses on the consolidated statements of operations and comprehensive income (loss). We do not expect to incur any additional costs under the 2025 Plan.

Key GAAP Operating Results

Our revenue increased to $283.3 million and $563.0 million for the three and six months ended June 30, 2025 from $252.1 million and $499.1 million for the three and six months ended June 30, 2024. Revenue growth was primarily attributable to our larger customers, driven by an increase in our sales and marketing activities and our improved brand awareness. For each of the three and six months ended June 30, 2025 and 2024, no single customer accounted for more than 10% of our total revenue. As of June 30, 2025, we had over 3,000 customers across multiple industries with a wide range of license sizes. We had net income of $1.2 million and $1.7 million in the three and six months ended June 30, 2025, compared to net losses of $12.8 million and $19.9 million in the three and six months ended June 30, 2024.

We have continued to make significant expenditures and investments, including in sales and marketing, research and development, infrastructure and investments in complementary businesses, technologies and intellectual property rights. We primarily evaluate the success of our business based on revenue growth and the efficiency and effectiveness of our investments. The growth of our business and our future success depend on many factors, including our ability to continue to expand our base of larger customers, grow revenue from our existing customers, innovate and expand internationally. While these areas represent significant opportunities for us, they also pose risks and challenges that we must successfully address, including the impact of continued macroeconomic challenges, the impact of global tariff increases and potential future increases and announcements regarding same, the Russia-Ukraine conflict and the conflicts in the Middle East, in order to successfully grow our business and improve our operating results.

Key Operating and Non-GAAP Financial Performance Metrics

In addition to measures of financial performance presented in our condensed consolidated financial statements, we monitor the key metrics set forth below to help us evaluate growth trends, establish budgets, measure the effectiveness of our sales and marketing efforts and assess operational efficiencies.

Annual Dollar-Based Retention Rate

We believe that our Annual Dollar-Based Retention Rate provides insight into our ability to retain and grow revenue from our customers, and is a measure of the long-term value of our customer relationships. Our Annual Dollar-Based Retention Rate is calculated by dividing our Retained Net Revenue by our Retention Base Net Revenue on a monthly basis, which we then average using the rates for the trailing twelve months for the period presented. We define Retention Base Net Revenue as recurring net revenue from all customers in the comparable prior year period, and we define Retained Net Revenue as recurring net revenue from that same group of customers in the current period. We define recurring net revenue as net subscription and related usage revenue.

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The following table shows our Annual Dollar-Based Retention Rate based on Net Revenue for the periods presented:

Twelve Months Ended

June 30, 2025

June 30, 2024

Annual Dollar-Based Retention Rate

108%

Our Dollar-Based Retention Rate remained at the same level year-over-year, reflecting a combination of factors, including continued macroeconomic headwinds, as well as year-over-year challenges related to seasonal decreases in our consumer and healthcare vertical markets and a single large new customer ramping throughout 2024, offset by ongoing momentum in AI and expansions of larger existing customers.

Adjusted EBITDA

We monitor adjusted EBITDA, a non-GAAP financial measure, to analyze our financial results and believe that it is useful to investors, as a supplement to U.S. GAAP measures, in evaluating our ongoing operational performance and enhancing an overall understanding of our past financial performance. We believe that adjusted EBITDA helps illustrate underlying trends in our business that could otherwise be masked by the effect of the income or expenses that we exclude from adjusted EBITDA. Furthermore, we use this measure to establish budgets and operational goals for managing our business and evaluating our performance. We also believe that adjusted EBITDA provides an additional tool for investors to use in comparing our recurring core business operating results over multiple periods with other companies in our industry.

Adjusted EBITDA should not be considered in isolation from, or as a substitute for, financial information prepared in accordance with U.S. GAAP, and our calculation of adjusted EBITDA may differ from that of other companies in our industry. We compensate for the inherent limitations associated with using adjusted EBITDA through disclosure of these limitations, presentation of our financial statements in accordance with U.S. GAAP and reconciliation of adjusted EBITDA to the most directly comparable U.S. GAAP measure, net income (loss). We calculate adjusted EBITDA as net income (loss) before (1) depreciation and amortization, (2) stock-based compensation, (3) interest expense, (4) gain on early extinguishment of debt, (5) interest income and other, (6) exit costs related to the closure and relocation of our Russian operations, (7) acquisition and related transaction costs and one-time integration costs, (8) lease amortization for finance leases, (9) costs related to a reduction in force plan, (10) one-time expenses related to strategic consulting services for operational review, (11) other cost-reduction and productivity initiatives, (12) legal fees related to the securities class action, (13) office closure lease termination costs, (14) provision for income taxes, and (15) other items that do not directly affect what we consider to be our core operating performance.

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The following table shows a reconciliation of net income (loss) to adjusted EBITDA for the periods presented (in thousands):



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Net income (loss)	$	1,154	$	(12,816)	$	1,730	$	(19,893)
Non-GAAP adjustments:
Depreciation and amortization (1)	14,649		12,938		29,139		25,121
Stock-based compensation (2)	41,859		43,632		81,104		88,316
Interest expense	3,820		3,906		7,935		6,473
Gain on early extinguishment of debt	—		—		—		(6,615)
Interest income and other	(7,917)		(13,800)		(18,220)		(24,359)
Exit costs related to closure and relocation of Russian operations	—		32		—		57
Acquisition and related transaction costs and one-time integration costs	1,489		4,089		2,470		5,020
Lease amortization for finance leases	2,311		455		4,319		912
Costs related to a reduction in force plan	7,766		—		7,766		—
One-time expenses related to strategic consulting services for operational review	—		—		1,265		—
Other cost-reduction and productivity initiatives	974		—		974		—
Legal fees related to the securities class action	368		—		509		—
Office closure lease termination costs	95		—		95		—
Provision for income taxes	1,382		3,345		1,566		4,334

Adjusted EBITDA	$	67,950	$	41,781	$	120,652	$	79,366

(1)Depreciation and amortization expenses included in our results of operations for the periods presented are as follows (in thousands):



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Cost of revenue	$	12,161	$	10,421	$	24,044	$	20,034
Research and development	799		741		1,479		1,631
Sales and marketing	27		26		63		53
General and administrative	1,662		1,750		3,553		3,403
Total depreciation and amortization	$	14,649	$	12,938	$	29,139	$	25,121

(2)See Note 7 to the condensed consolidated financial statements for stock-based compensation expense included in our results of operations for the periods presented.

(3)Non-GAAP adjustments do not have a material impact on our worldwide income tax provision due to the tax treatment of the non-GAAP adjustments reported, and our domestic valuation allowance position.

Key Components of Our Results of Operations

Revenue

Our revenue consists of subscription and related usage as well as professional services. We consider our subscription and related usage to be recurring revenue. We charge our customers monthly subscription fees for access to our Intelligent CX Platform, primarily based on the number of licenses, as well as on a consumption or capacity basis for our AI solutions. We offer monthly, annual and multiple-year contracts to our customers, generally with 30 days’ notice required for limited reductions in the number of licenses or the level of consumption or capacity. Increases in the number of licenses or the level of consumption or capacity can be provisioned almost immediately. Subscription fees are generally billed monthly in advance, while usage fees are billed in arrears. Subscription fees are recognized on a straight-line basis over the applicable term, which is predominantly the monthly contractual billing period. Support activities include technical assistance for our solution and upgrades and enhancements on a when and if available basis, which are not billed separately. Usage fees are billed in arrears based on customer-specific per minute rate plans and are recognized as actual usage occurs.

In addition, we generate professional services revenue from assisting customers in implementing our solution and optimizing its use. These services include application configuration, system integration and education and training services. Professional services are primarily billed on a fixed-fee basis and are typically performed by us

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directly. However, our customers can choose to perform these services themselves, use one of our certified professional service providers, or engage their own third-party service providers to perform such services. Professional services are recognized as the services are performed using the proportional performance method, with performance measured based on labor hours, provided all other criteria for revenue recognition are met.

While the implications of macroeconomic events on our business, results of operations and overall financial position remain uncertain over the long term, we expect that macroeconomic challenges will continue to have an adverse impact on our revenue in future periods. For example, despite increases in up-sells and cross-sells, our installed base business, which contributes a significant portion of our annual revenue growth, continues to experience macroeconomic challenges.

Cost of Revenue

Our cost of revenue consists primarily of personnel costs, including stock-based compensation, fees that we pay to telecommunications providers for usage, Universal Service Fund, or USF, contributions and other regulatory costs, depreciation and related expenses of our servers and equipment, costs to build out and maintain co-location data centers, costs of public cloud-based data centers, cost of third party software that we resell, allocated office and facility costs, amortization of acquired technology, amortization of internal-use software development costs and lease amortization for finance leases. Cost of revenue can fluctuate based on a number of factors, including the fees we pay to telecommunications providers, which vary depending on our customers’ usage of our Intelligent CX Platform, the timing of capital expenditures and related depreciation charges and changes in headcount. We expect to continue investing in professional services, public cloud, cloud operations, customer support and network infrastructure to maintain high quality and availability of services, which we believe will result in absolute dollar increases in cost of revenue but percentage of revenue declines in the long-term through economies of scale.

Operating Expenses

We classify our operating expenses as research and development, sales and marketing, and general and administrative expenses.

Research and Development. Our research and development expenses consist primarily of salary and related expenses, including stock-based compensation, for personnel related to the development of new products, improvements and expanded features for our services, as well as quality assurance, testing, product management and allocated overhead. We expense research and development expenses as they are incurred except for internal use software development costs that qualify for capitalization. We believe that continued investment in our solution is important for our future growth, and we expect our research and development expenses to increase in absolute dollars and fluctuate as a percentage of revenue in the near and longer term.

Sales and Marketing. Sales and marketing expenses consist primarily of salaries and related expenses, including stock-based compensation, for personnel in sales and marketing, amortization of deferred contract acquisition costs, as well as advertising, marketing, corporate communications, travel costs and allocated overhead. We believe it is important to continue investing in sales and marketing to continue to generate revenue growth, and we expect sales and marketing expenses to increase in absolute dollars and fluctuate as a percentage of revenue in the near and longer term as we continue to support our growth initiatives.

General and Administrative. General and administrative expenses consist primarily of salary and related expenses, including stock-based compensation, for management, finance and accounting, legal, information systems and human resources personnel, professional fees, compliance costs, other corporate expenses and allocated overhead. We expect that general and administrative expenses will fluctuate in absolute dollars and as a percentage of revenue in the near term, but to increase in absolute dollars and decline as a percentage of revenue in the longer term.

Results of Operations for the Three and Six Months Ended June 30, 2025 and 2024

Based on the condensed consolidated statements of operations and comprehensive income (loss) set forth in this Quarterly Report on Form 10-Q, the following table sets forth our operating results as a percentage of revenue

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for the periods indicated:



	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Revenue	100	%	100	%	100	%	100	%
Cost of revenue	45	%	47	%	45	%	47	%
Gross profit	55	%	53	%	55	%	53	%
Operating expenses:
Research and development	14	%	16	%	14	%	16	%
Sales and marketing	28	%	31	%	29	%	32	%
General and administrative	14	%	14	%	13	%	13	%
Total operating expenses	56	%	61	%	56	%	61	%
Loss from operations	(1)	%	(8)	%	(1)	%	(8)	%
Other income (expense), net:
Interest expense	(2)	%	(1)	%	(1)	%	(1)	%
Gain on early extinguishment of debt	—	%	—	%	—	%	1	%
Interest income and other	3	%	5	%	3	%	5	%
Total other income (expense), net	1	%	4	%	2	%	5	%
Income (loss) before income taxes	—	%	(4)	%	1	%	(3)	%
Provision for income taxes	—	%	1	%	1	%	1	%
Net income (loss)	—	%	(5)	%	—	%	(4)	%

Revenue



	Three Months Ended								Six Months Ended
	June 30, 2025		June 30, 2024		$ Change		% Change		June 30, 2025		June 30, 2024		$ Change		% Change

	(in thousands, except percentages)
Revenue	$	283,269	$	252,086	$	31,183	12	%	$	562,974	$	499,096	$	63,878	13	%

The increase in revenue for the three and six months ended June 30, 2025 compared to the same periods of 2024 was primarily attributable to our larger customers, driven by an increase in our sales and marketing activities and our improved brand awareness.

Cost of Revenue



	Three Months Ended										Six Months Ended
	June 30, 2025			June 30, 2024			$ Change		% Change		June 30, 2025		June 30, 2024		$ Change		% Change

	(in thousands, except percentages)
Cost of revenue	$	127,865		$	118,414		$	9,451	8	%	$	253,838	$	232,944	$	20,894	9	%
% of Revenue	45		%	47		%					45%		47%

The increase in cost of revenue for the three and six months ended June 30, 2025 compared to the same periods of 2024 was primarily due to a $4.0 million and $6.8 million increase in third-party costs driven by increased customer activities, a $1.7 million and $3.0 million increase in lease amortization of finance leases, a $1.3 million and $1.8 million increase in personnel-related costs, a $1.2 million and $2.0 million increase in USF contributions and other federal telecommunication service fees due to increased customer usage, a $0.8 million and $1.9 million increase in amortization of capitalized internal-use software development costs, a $0.5 million and $1.1 million increase in usage and carrier costs due to increased volume, and a $0.3 million and $3.0 million increase in depreciation, data center and public cloud costs to support our growing capacity needs. The $1.3 million and $1.8 million increase in personnel-related costs was primarily driven by higher salaries, offset in part by a decrease in stock-based compensation costs.

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Gross Profit



	Three Months Ended										Six Months Ended
	June 30, 2025			June 30, 2024			$ Change		% Change		June 30, 2025	June 30, 2024	$ Change	% Change

	(in thousands, except percentages)
Gross profit	$	155,404		$	133,672		$	21,732	16	%	$309,136	$266,152	$42,984	16%
% of Revenue	55		%	53		%					55%	53%

The increase in gross profit for the three and six months ended June 30, 2025 compared to the same periods of 2024 was primarily due to increases in subscription and related revenues. We expect gross margin to increase in the long-term with long-term revenue growth outpacing continued investments in professional services, public cloud, cloud operations, customer support and network infrastructure.

Operating Expenses

Research and Development



	Three Months Ended									Six Months Ended
	June 30, 2025		June 30, 2024			$ Change		% Change		June 30, 2025	June 30, 2024	$ Change	% Change

	(in thousands, except percentages)
Research and development	$	39,912	$	40,717		$	(805)	(2)	%	$81,012	$82,235	$(1,223)	(1)%
% of Revenue	14%		16		%					14%	16%

The decrease in research and development expenses for the three months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $4.5 million increase in research and development costs (excluding stock-based compensation costs) that qualified for capitalization, offset in part by a $3.7 million increase in personnel-related costs primarily driven by increased headcount and higher salaries, offset in part by a decrease in stock-based compensation costs.

The decrease in research and development expenses for the six months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $9.7 million increase in research and development costs (excluding stock-based compensation costs) that qualified for capitalization, offset in part by a $7.4 million increase in personnel-related costs, and a $0.5 million increase in staff augmentation costs. The $7.4 million increase in personnel-related costs was primarily driven by increased headcount and higher salaries, offset in part by a decrease in stock-based compensation costs.

Sales and Marketing



	Three Months Ended										Six Months Ended
	June 30, 2025			June 30, 2024			$ Change		% Change		June 30, 2025	June 30, 2024	$ Change	% Change

	(in thousands, except percentages)
Sales and marketing	$	80,668		$	78,332		$	2,336	3	%	$163,523	$159,441	$4,082	3%
% of Revenue	28		%	31		%					29%	32%

The increase in sales and marketing expenses for the three months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $2.6 million increase in amortization of deferred contract acquisition costs driven by the growth in sales and bookings of our solution, offset in part by a $0.8 million decrease in travel costs as a result of reduced business travel. The remaining increase was due to an increase in overall marketing spend.

The increase in sales and marketing expenses for the six months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $5.7 million increase in amortization of deferred contract acquisition costs driven by the growth in sales and bookings of our solution, offset in part by a $2.9 million decrease in personnel-related costs mainly due to decreased headcount as a result of the 2024 and 2025 Plans and by a decrease in stock-based compensation costs, and by a $0.9 million decrease in travel costs as a result of reduced business travel. The remaining increase was due to an increase in overall marketing spend.

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General and Administrative



	Three Months Ended										Six Months Ended
	June 30, 2025			June 30, 2024			$ Change		% Change		June 30, 2025	June 30, 2024	$ Change	% Change

	(in thousands, except percentages)
General and administrative	$	36,385		$	33,988		$	2,397	7	%	$71,590	$64,536	$7,054	11%
% of Revenue	14		%	14		%					13%	13%

The increase in general and administrative expenses for the three months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $2.1 million increase in personnel-related costs driven by increased headcount and higher salaries, and a $0.6 million increase in hosted software costs.

The increase in general and administrative expenses for the six months ended June 30, 2025 compared to the same period of 2024 was primarily due to a $3.3 million increase in personnel-related costs driven by increased headcount and higher salaries, a $0.5 million increase in professional costs mainly associated with strategic consulting services, and a $1.2 million increase in hosted software costs.

Other Income (Expense), Net


	Three Months Ended										Six Months Ended
	June 30, 2025			June 30, 2024			$ Change		% Change		June 30, 2025			June 30, 2024			$ Change		% Change

	(in thousands, except percentages)
Interest expense	$	(3,820)		$	(3,906)		$	86	(2)	%	$	(7,935)		$	(6,473)		$	(1,462)	23	%
Gain on early extinguishment of debt	—			—			—		—	%	—			6,615			(6,615)		(100)	%
Interest income and other	7,917			13,800			(5,883)		(43)	%	18,220			24,359			(6,139)		(25)	%
Total other income (expense), net	$	4,097		$	9,894		$	(5,797)	(59)	%	$	10,285		$	24,501		$	(14,216)	(58)	%
% of Revenue	1		%	4		%					2		%	5		%

The increase in interest expense for the six months ended June 30, 2025 compared to the same period of 2024 was primarily due to the issuance of the 2029 convertible senior notes in March 2024.

In connection with the issuance of the 2029 convertible senior notes, we used part of the net proceeds from the issuance to repurchase approximately $313.1 million aggregate principal amount of our then outstanding 2025 convertible senior notes in privately-negotiated transactions for aggregate cash consideration of approximately $304.9 million. The repurchase transaction was accounted for as a debt extinguishment. The difference between the consideration used to extinguish the 2025 convertible senior notes and the carrying value of the 2025 convertible senior notes (including unamortized debt discount and issuance cost) resulted in an extinguishment gain of approximately $6.6 million. See Note 6 to the condensed consolidated financial statements for further details.

The decrease in interest income and other for the three and six months ended June 30, 2025 compared to the same periods of 2024 was primarily due to the $434.4 million of cash paid in connection with the maturity of the 2025 convertible notes resulting in lower investible balances, from lower interest rates, and from an increase in foreign currency transaction losses.

Liquidity and Capital Resources

To date, we have financed our operations primarily through sales of our solution, net proceeds from our equity and debt financings, including the issuance of convertible senior notes in March 2024, May and June 2020 and May 2018, and lease facilities. As of June 30, 2025, we had $692.6 million in working capital, which included $205.5 million in cash and cash equivalents and $430.4 million in marketable investments. Our 2025 convertible senior notes matured on June 1, 2025, and we settled our obligations with respect to the 2025 senior notes through a cash payment of $434.4 million in connection therewith. Our intent is that all marketable investments are available for use in our current operations, including marketable investments with maturity dates greater than one year from June 30, 2025.

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obligations. The 2029 convertible senior notes bear interest at a fixed rate of 1.00% per annum, payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2024. The total net proceeds from the issuance of the 2029 convertible senior notes, after deducting initial purchasers' discounts and commissions and estimated debt issuance costs, were approximately $728.8 million. In connection with the issuance of the 2029 convertible senior notes, we used part of the net proceeds from the issuance to repurchase approximately $313.1 million aggregate principal amount of our then outstanding 2025 convertible senior notes in privately-negotiated transactions for aggregate cash consideration of approximately $304.9 million. In connection with the issuance of the 2029 convertible senior notes, we also entered into privately negotiated capped call transactions with certain financial institutions. We believe our existing cash and cash equivalents will be sufficient to meet our working capital and capital expenditure needs for at least the next 12 months.

We plan to continue to finance our operations in the future primarily through sales of our solution, net proceeds from equity and debt financings, and lease facilities. Our future capital requirements will depend on many factors including our growth rate, continuing market acceptance of our solution, the strength of the global economy, customer retention, growth within our installed base, our ability to gain new customers, the timing and extent of spending to support research and development efforts, the outcome of any pending or future litigation or other claims by third parties or governmental entities, the expansion of sales and marketing activities and personnel, the introduction of new and enhanced offerings, expenses incurred in expanding our operations in Portugal, and the effect of the length and severity of the continued macroeconomic challenges, the impact of global tariff increases and potential future increases and announcements regarding same, the Russia-Ukraine conflict, and the conflicts in the Middle East, on these or other factors. We may also acquire or invest in complementary businesses, technologies and intellectual property rights, such as our recent acquisitions of Aceyus in August 2023 and Acqueon in August 2024, which may increase our use of cash and future capital requirements, both to pay acquisition costs and to support our combined operations. We may raise additional capital through equity or debt financings at any time to fund these or other requirements. However, we may not be able to raise additional capital through equity or debt financings when needed on terms acceptable to us or at all, depending on our financial performance and condition, economic and market conditions, the trading price of our common stock, and other factors, including the length and severity of the current economic downturn and fluctuations in the financial markets, including due to the impact of global tariff increases and potential future increases and announcements regarding same, the Russia-Ukraine conflict and the conflicts in the Middle East. If we are unable to raise additional capital as needed, our business, operating results and financial condition could be harmed. In addition, if our operating performance during the next twelve months is below our expectations, our liquidity and ability to operate our business also could be harmed.

If we raise additional funds by issuing equity or equity-linked securities, the ownership of our existing stockholders would be diluted. If we raise additional funds through the incurrence of additional indebtedness, we will be subject to increased debt service obligations and could also be subject to restrictive covenants and other operating restrictions that could negatively impact our ability to operate our business.

Cash Flows

The following table summarizes our cash flows for the periods presented (in thousands):



	Six Months Ended
	June 30, 2025		June 30, 2024
Net cash provided by operating activities	$	83,445	$	52,231
Net cash provided by (used in) investing activities	191,063		(360,103)
Net cash (used in) provided by financing activities	(431,125)		340,412
Net (decrease) increase in cash, cash equivalents and restricted cash	$	(156,617)	$	32,540

Cash Flows from Operating Activities

Cash provided by operating activities is primarily influenced by our personnel-related expenditures, data center and telecommunications carrier costs, office and facility related costs, USF contributions and other regulatory costs and the amount and timing of customer payments. If we continue to improve our financial results, we expect net cash provided by operating activities to increase. Our largest source of operating cash inflows is cash collections from our customers for subscription and related usage services. Payments from customers for these services are typically received monthly.

Net cash provided by operating activities was $83.4 million during the six months ended June 30, 2025. Net cash provided by operating activities resulted from our net income of $1.7 million, adjustments to reconcile net

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income to net cash provided by operating activities of $161.4 million, primarily consisting of $81.1 million of stock-based compensation, $41.5 million of amortization of deferred contract acquisition costs, $29.1 million of depreciation and amortization, $10.1 million of reduction in the carrying amount of right-of-use assets, and $2.7 million of amortization of issuance costs on our convertible senior notes, partially offset by use of cash for operating assets and liabilities of $(79.7) million primarily due to the timing of cash payments to vendors and cash receipts from customers and $(5.3) million accretion of discount on marketable investments.

Net cash provided by operating activities was $52.2 million during the six months ended June 30, 2024. Net cash provided by operating activities resulted from our net loss of $19.9 million, adjustments to reconcile net loss to net cash provided by operating activities of $139.2 million, primarily consisting of $88.3 million of stock-based compensation, $33.8 million of amortization of deferred contract acquisition costs, $25.1 million of depreciation and amortization, $6.3 million of reduction in the carrying amount of right-of-use assets, $2.5 million of amortization of issuance costs on our convertible senior notes, $(11.2) million accretion of discount on marketable investments and $(6.6) million gain on early extinguishment of debt, partially offset by use of cash for operating assets and liabilities of $(67.1) million primarily due to the timing of cash payments to vendors and cash receipts from customers.

Cash Flows from Investing Activities

Net cash provided by investing activities of $191.1 million in the six months ended June 30, 2025 was comprised of $533.2 million related to cash proceeds from maturities of marketable investments, offset in part by $315.1 million related to purchases of marketable investments, $18.7 million in capitalized software development costs and $8.2 million in capital expenditures.

Net cash used in investing activities of $(360.1) million in the six months ended June 30, 2024 was comprised of $816.5 million related to purchases of marketable investments, $18.7 million in capital expenditures and $8.3 million in capitalized software development costs, offset in part by $483.3 million related to cash proceeds from sales and maturities of marketable investments.

Cash Flows from Financing Activities

Net cash used in financing activities of $(431.1) million in the six months ended June 30, 2025 was primarily related to $434.4 million of cash paid in connection with the maturity of the 2025 convertible senior notes and $4.7 million of payments related to finance leases, offset in part by $7.9 million from the sale of common stock under our employee stock purchase plan.

Net cash provided by financing activities of $340.4 million in the six months ended June 30, 2024 was related to net cash proceeds of $728.8 million from the issuance of the 2029 convertible senior notes, net of initial purchasers' discounts and commissions and debt issuance costs, $9.5 million from the sale of common stock under our employee stock purchase plan, $0.5 million cash received from the partial termination of capped calls associated with the 2025 convertible senior notes, and $0.4 million of cash proceeds from the exercise of stock options, offset in part by $304.5 million from the repurchase of a portion of the 2025 convertible senior notes, $93.4 million from the payment for capped call transactions associated with the 2029 convertible senior notes, and $1.0 million of payments related to finance leases.

Critical Accounting Policies and Estimates

Our condensed consolidated financial statements are prepared in accordance with U.S. GAAP. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, expenses and related disclosures. On an ongoing basis, we evaluate our estimates and assumptions. Our actual results may differ from these estimates under different assumptions or conditions.

There have been no material changes to our critical accounting policies and estimates from those disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 filed with the SEC on February 22, 2024.

Recent Accounting Pronouncements

Refer to Note 1 of the notes to condensed consolidated financial statements included in this report.

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Contractual and Other Obligations

Our material cash requirements include the following contractual and other obligations.

Convertible Senior Notes

In May and June 2020, we issued $747.5 million aggregate principal amount of our 2025 convertible senior notes in a private offering. The 2025 convertible senior notes mature on June 1, 2025 and are our senior unsecured obligations. The 2025 convertible senior notes bear interest at a fixed rate of 0.50% per annum, payable semiannually in arrears on June 1 and December 1 of each year, beginning December 1, 2020. The total net proceeds from the offering, after deducting initial purchasers’ discounts and commissions and estimated debt issuance costs, were approximately $728.8 million. In connection with the issuance of the 2029 convertible senior notes, we used part of the net proceeds from the issuance to repurchase approximately $313.1 million aggregate principal amount of our 2025 convertible senior notes. Our 2025 convertible senior notes matured on June 1, 2025, and we settled our obligations with respect to the 2025 senior notes in cash in connection therewith.

In March 2024, we issued $747.5 million aggregate principal amount of our 2029 convertible senior notes in a private offering. The 2029 convertible senior notes mature on March 15, 2029 and are our senior unsecured obligations. The 2029 convertible senior notes bear interest at a fixed rate of 1.00% per annum, payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2024. The total net proceeds from the issuance of the 2029 convertible senior notes, after deducting initial purchasers' discounts and commissions and debt issuance costs, were approximately $728.8 million. As of June 30, 2025, the aggregate principal amount outstanding of our 2029 convertible senior notes was $747.5 million.

See Note 6 to the condensed consolidated financial statements included in this report for further details.

Leases

We have leases for offices, data centers and computer and networking equipment that expire at various dates through 2031. Our leases have remaining terms of one to seven years. Some of the leases include an option to extend the leases for up to one to five years, and some of the leases include the option to terminate the leases upon 30-days' notice. We had outstanding operating lease obligations of $51.3 million as of June 30, 2025, with $6.8 million payable in the remainder of 2025, $21.6 million payable within one to three years, $15.1 million payable within three to five years, and $7.8 million payable after five years. We also had outstanding finance lease obligations of $20.4 million as of June 30, 2025, with $5.1 million payable in the remainder of 2025, and $15.0 million payable within one to three years, and $0.3 million payable within three to five years. We entered into additional three-year equipment finance lease agreements and recognized $3.9 million right of use assets during the six months ended June 30, 2025, which were reported within "Finance lease right-of-use assets" and are being depreciated on a straight-line basis over the lease term. As a result, we also recognized short-term lease liabilities of $1.3 million within "Finance lease liabilities" and long-term lease liabilities of $2.6 million within "Finance lease liabilities - less current portion" during these periods. See Note 12 to the condensed consolidated financial statements included in this report for further details.

Cloud Services and Software and Maintenance

As of June 30, 2025, we had outstanding cloud services and software and maintenance agreement commitments totaling $25.5 million, of which $7.4 million is expected to be purchased in the remainder of 2025, and the remaining $18.1 million is expected to be purchased in 2026. During 2024 and the six months ended June 30, 2025, we entered into equipment finance lease arrangements that resulted in $6.7 million additional reduction of our outstanding cloud services commitment.

Hosting and Telecommunication Usage Services

We have agreements with third parties to provide co-location hosting and telecommunication usage services. The agreements require payments for a fixed period of time in exchange for certain guarantees of network and telecommunication availability. As of June 30, 2025, we had outstanding hosting and telecommunication usage services obligations of $12.0 million, with $3.3 million payable in the remainder of 2025, $7.3 million payable in 2026 and 2027, and $1.4 million payable in 2028 and 2029.

Indemnification Agreements

In the ordinary course of business, we enter into agreements of varying scope and terms pursuant to which we agree to indemnify customers, vendors, lessors, business partners and other parties with respect to certain matters, including, but not limited to, losses arising out of breach of such agreements, services to be provided by us or from

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intellectual property infringement claims made by third parties. We have received indemnification demands, and will likely continue to receive demands, from customers regarding our intellectual property indemnification obligations under these contracts. In addition, we have entered into indemnification agreements with our directors, officers and certain employees that will require us, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors, officers or employees. There are no claims that we are aware of that could have a material effect on our consolidated balance sheet, consolidated statements of operations and comprehensive income (loss), or consolidated statements of cash flows.

Contingencies — Legal and Regulatory

We are subject to certain legal and regulatory proceedings, and from time to time may be involved in a variety of claims, lawsuits, investigations, and proceedings relating to contractual disputes, intellectual property rights, employment matters, regulatory compliance matters, and other litigation matters relating to various claims that arise in the normal course of business. We determine whether an estimated loss from a contingency should be accrued by assessing whether a loss is deemed probable and can be reasonably estimated. We assess our potential liability by analyzing specific litigation and regulatory matters using reasonably available information. We develop our views on estimated losses in consultation with inside and outside counsel, which involves a subjective analysis of potential results and outcomes, assuming various combinations of appropriate litigation and settlement strategies. Legal fees are expensed in the period in which they are incurred. We are currently party to the following action:

On December 4, 2024, a purported holder of our securities filed a putative class action complaint against us, our Chief Executive Officer, and our Chief Financial Officer in the United States District Court for the Northern District of California alleging violations of Section 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5, promulgated thereunder, based on alleged false and/or misleading statements or omissions regarding us and our business and seeking unspecified damages on behalf of all persons and entities (subject to specified exceptions) that purchased or otherwise acquired our securities, including call options, from June 4, 2024, through the close of trading on August 8, 2024. On February 3, 2025, Lucid Alternative Fund, LP moved to be appointed lead plaintiff of this action pursuant to the Private Securities Litigation Reform Act of 1995. On March 18, 2025, the court appointed Lucid Alternative Fund, LP as lead plaintiff and approved lead plaintiff’s selection of lead counsel. Per the court’s subsequent order on March 27, 2025, Lucid Alternative Fund, LP filed an amended complaint on May 30, 2025. We filed a motion to dismiss the amended complaint on July 29, 2025. We cannot predict the duration or outcome of this lawsuit at this time. As a result, we are unable to estimate the reasonably possible loss or range of reasonably possible losses arising from this lawsuit. We intend to vigorously defend this lawsuit.

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ITEM 3. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to market risk in the ordinary course of our business. Market risk represents the risk of loss that may impact our financial position due to adverse changes in financial market prices and rates. Our market risk exposure is primarily a result of fluctuations in interest rates and foreign currency exchange rates. We do not hold or issue financial instruments for trading purposes. For a discussion of market risk, see “Quantitative and Qualitative Disclosure about Market Risk” in Item 7A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2024. Our exposure to market risk has not changed materially since December 31, 2024.

Interest Rate Sensitivity

We had cash and cash equivalents, and marketable securities totaling $635.9 million as of June 30, 2025. Cash equivalents and marketable securities were invested primarily in U.S. agency and government sponsored securities, U.S. treasury securities, municipal bonds, commercial paper, corporate bonds, certificates of deposit and money market funds. Our investment policy is focused on the preservation of capital and supporting our liquidity needs. Under this policy, we invest in highly rated securities, while limiting the amount of credit exposure to any one issuer other than the U.S. government. We do not invest in financial instruments for trading or speculative purposes, nor do we use leveraged financial instruments. We utilize external investment managers who adhere to the guidelines of our investment policy. A hypothetical 100 basis point change in interest rates would not have a material impact on the value of our cash and cash equivalents or marketable investments.

As of June 30, 2025, aggregate principal amount outstanding of our 2029 convertible senior notes was $747.5 million. The fair values of the convertible senior notes are subject to interest rate risk, market risk and other factors due to their conversion features. The fair value of the convertible senior notes will generally increase as our common stock price increases and will generally decrease as our common stock price declines. The interest and market value changes affect the fair value of the convertible senior notes but do not impact our financial position, cash flows or results of operations due to the fixed nature of the debt obligations. Additionally, we carry the convertible senior notes at face value less unamortized discount on our condensed consolidated balance sheets, and we present the fair value for required disclosure purposes only.

The 2029 convertible senior notes bear fixed interest rates and, therefore, are not subject to interest rate risk. We have not utilized derivative financial instruments, derivative commodity instruments or other market risk sensitive instruments, positions or transactions in any material fashion, except for the privately negotiated capped call transactions entered into in March 2024 related to the issuance of our 2029 convertible senior notes.

Foreign Currency Risk

The functional currency of our foreign subsidiaries is the U.S. dollar. Our sales are primarily denominated in U.S. dollars and, therefore, our revenue is not directly subject to foreign currency risk. However, we are indirectly exposed to foreign currency risk. A stronger U.S. dollar makes our solution more expensive outside the United States and therefore can reduce demand. A weaker U.S. dollar could have the opposite effects. Such economic exposure to currency fluctuations is difficult to measure or predict because our sales are influenced by many factors in addition to the impact of currency fluctuations. Our operating expenses are generally denominated in the currencies of the countries in which our operations are located, except for Russia where compensation of our employees is primarily denominated in the U.S. dollar. In March 2022, we made a decision to close our Russia office in June 2022 and to establish a new European development center in Portugal.

Our consolidated results of operations and cash flows are, therefore, subject to fluctuations due to changes in foreign currency exchange rates and may be adversely affected in the future due to changes in foreign exchange rates. To date, we have not entered into any hedging arrangements with respect to foreign currency risk or other derivative financial instruments. During the six months ended June 30, 2025, the effect of a hypothetical 10% change in foreign currency exchange rates applicable to our business would have a maximum impact of $5.8 million on our operating expenses.

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ITEM 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, as of June 30, 2025.

Based on management’s evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of June 30, 2025, our disclosure controls and procedures were designed, and were effective, to provide assurance at a reasonable level that the information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms, and that such information is accumulated and communicated to our management as appropriate to allow timely decisions regarding required disclosures.

In designing and evaluating our disclosure controls and procedures, management recognizes that any disclosure controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply its judgment in evaluating the benefits of possible controls and procedures relative to their costs.

Changes in Internal Control over Financial Reporting

During the three months ended June 30, 2025, there was no change in our internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings

Information with respect to this Item may be found under the heading “Legal Matters” in Note 10 to the condensed consolidated financial statements in this Quarterly Report on Form 10-Q, which information is incorporated herein by reference.

ITEM 1A. Risk Factors

There have been no material changes from the Risk Factors previously disclosed in Part 1, Item 1A, of our Annual Report on Form 10-K for the fiscal year ended December 31, 2024. In addition to the other information set forth in this report, you should carefully consider the Risk Factors discussed in our Annual Report on Form 10-K as they could materially affect our business, financial condition and future results of operation.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

Not applicable.

ITEM 3. Defaults Upon Senior Securities

None.

ITEM 4. Mine Safety Disclosures

Not applicable.

ITEM 5. Other Information

Rule 10b5-1 Plans

During the fiscal quarter ended June 30, 2025, none of the Company's directors and officers adopted, modified, or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement other than as set forth herein:

Name

Title

Adoption Date

Expiration Date

Aggregate # of securities to be sold(1)

Aggregate # of securities to be purchased

Type of Arrangement(2)

Panos Kozanian

EVP, Product Engineering

May 14, 2025

March 31, 2026

39,623

—

Rule 10b5-1 trading arrangement

______________________

(1) Does not include an additional indeterminable number of shares permitted to be sold pursuant to the Rule 10b5-1 trading arrangement following the sales of securities outside of the Rule 10b5-1 trading arrangement in order to satisfy tax obligations upon the vesting of restricted stock units.

(2) The Rule 10b5-1 trading arrangement is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

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ITEM 6. Exhibits


Exhibit Number						Description


31.1*						Certification of Chief Executive Officer of Five9, Inc. Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*						Certification of Chief Financial Officer of Five9, Inc. Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**						Certification of Chief Executive Officer and Chief Financial Officer of Five9, Inc. Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*						XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH*						XBRL Taxonomy Schema Linkbase Document
101.CAL*						XBRL Taxonomy Calculation Linkbase Document
101.DEF*						XBRL Taxonomy Definition Linkbase Document
101.LAB*						XBRL Taxonomy Labels Linkbase Document
101.PRE*						XBRL Taxonomy Presentation Linkbase Document
104						Cover Page Interactive Data File. Formatted as inline XBRL and contained in Exhibit 101.

* Filed herewith.

** Furnished herewith.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			Five9, Inc.






Date:	July 31, 2025	By:	/s/ Michael Burkland
			Michael Burkland
			Chief Executive Officer
			(Principal Executive Officer)

			/s/ Bryan Lee
			Bryan Lee
			Chief Financial Officer
			(Principal Financial Officer)

			/s/ Leena Mansharamani
			Leena Mansharamani
			Chief Accounting Officer
			(Principal Accounting Officer)

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