144: Filer Information

Filer CIK

0001133206

Filer CCC

XXXXXXXX

Is this a LIVE or TEST Filing?

LIVE

TEST

Submission Contact Information

Name

Phone

E-Mail Address

144: Issuer Information

Name of Issuer

Arista Networks, Inc.

SEC File Number

001-36468

Address of Issuer

5453 Great America Parkway
Santa Clara
CALIFORNIA
95054

Phone

1-408-547-5500

Name of Person for Whose Account the Securities are To Be Sold

Andreas Bechtolsheim

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

10% Stockholder

144: Securities Information

Title of the Class of Securities To Be Sold

Name and Address of the Broker

Number of Shares or Other Units To Be Sold

Aggregate Market Value

Number of Shares or Other Units Outstanding

Approximate Date of Sale

Name the Securities Exchange

Common Stock

Goldman Sachs & Co. LLC
200 West Street
New York � NY � 10282

240000

39842400

1259202593

06/04/2026

NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class

Date you Acquired

Nature of Acquisition Transaction

Name of Person from Whom Acquired

Is this a Gift?

Date Donor Acquired

Amount of Securities Acquired

Date of Payment

Nature of Payment *

Common Stock

04/13/2018

Acquired as compensation -- Stock Options

Andreas Bechtolsheim

61328

04/13/2018

Compensation -- Cashless exercise / same-day sale

Common Stock

02/08/2019

Acquired as compensation -- Stock Options

Andreas Bechtolsheim

96672

02/08/2019

Compensation -- Cashless exercise / same-day sale

Common Stock

05/20/2021

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

1768

05/20/2021

Compensation

Common Stock

08/20/2021

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

10448

08/20/2021

Compensation

Common Stock

08/20/2021

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

17104

08/20/2021

Compensation

Common Stock

11/22/2021

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

10576

11/22/2021

Compensation

Common Stock

11/22/2021

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

17268

11/22/2021

Compensation

Common Stock

02/22/2022

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

13672

02/22/2022

Compensation

Common Stock

05/20/2022

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

10756

05/20/2022

Compensation

Common Stock

08/22/2022

Acquired as compensation -- Restricted Stock Units

Andreas Bechtolsheim

408

08/22/2022

Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller

Title of Securities Sold

Date of Sale

Amount of Securities Sold

Gross Proceeds

SEC Form 144 filed by Arista Networks Inc.