SEC Form SC 13G/A filed

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13G
(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1 (b), (c) AND (d) 
AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 (b)

(Amendment No. 1)*

Slack Technologies, Inc.

(Name of Issuer)

Class A Common Stock, $0.0001 par value

(Title of Class of Securities)

83088V102

(CUSIP Number)

December 31, 2020

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on following pages)

Page 1 of 24 Pages

Exhibit Index Contained on Page 23

(1) Based on 492,725,557 shares of Class A Common Stock, calculated as follows, (i) 489,067,297 shares of Class A Common Stock outstanding, as of November 16, 2020, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended October 31, 2020, filed with the Securities and Exchange Commission on December 3, 2020 (the “Form 10-Q”), plus (ii) 3,658,260 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AGF4.

(1) Based on 489,088,109 shares of Class A Common Stock, calculated as follows, (i) 489,067,297 shares of Class A Common Stock outstanding, as of November 16, 2020, as reported by the Issuer in its Form 10-Q, plus (ii)  20,812 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AGF4SP.

(1) Based on 492,746,369 shares of Class A Common Stock, calculated as follows, (i) 489,067,297 shares of Class A Common Stock outstanding, as of November 16, 2020, as reported by the Issuer in its Form 10-Q, plus (ii) 3,658,260 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AGF4, plus (iii) 20,812 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AGF4A.

(1) Based on 489,242,270 shares of Class A Common Stock, calculated as follows, (i) 489,067,297 shares of Class A Common Stock outstanding, as of November 16, 2020, as reported by the Issuer in its Form 10-Q, plus (ii) 174,973 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AGFI16.

This Amendment No. 1 (“Amendment No.1”) amends and supplements the Schedule 13G initially filed with the United States Securities and Exchange Commission on February 12, 2020 (the “Original Schedule 13G”) by the Reporting Persons. The “Reporting Persons” are collectively, Accel X L.P., a Delaware limited partnership (“A10”), Accel X Strategic Partners L.P., a Delaware limited partnership (“A10SP”), Accel X Associates L.L.C., a Delaware limited liability company (“A10A”), Accel Investors 2009 L.L.C., a Delaware limited liability company (“AI09”), Accel XI L.P., a Delaware limited partnership (“A11”), Accel XI Strategic Partners L.P., a Delaware limited partnership (“A11SP”), Accel XI Associates L.L.C., a Delaware limited liability company (“A11A”), Accel Investors 2013 L.L.C., a Delaware limited liability company (“AI13”), Accel Growth Fund III L.P., a Delaware limited partnership (“AGF3”), Accel Growth Fund III Strategic Partners L.P., a Delaware limited partnership (“AGF3SP”), Accel Growth Fund III Associates L.L.C., a Delaware limited liability company (“AGF3A”), Accel Growth Fund Investors 2014 L.L.C., a Delaware limited liability company (“AGFI14”), Accel Growth Fund IV L.P., a Delaware limited partnership (“AGF4”), Accel Growth Fund IV Strategic Partners L.P., a Delaware limited partnership (“AGF4SP”), Accel Growth Fund IV Associates L.L.C., a Delaware limited liability company (“AGF4A”), Accel Growth Fund Investors 2016 L.L.C., a Delaware limited liability company (“AGFI16”), Accel Leaders Fund L.P., a Delaware limited partnership (“ALF”), Accel Leaders Fund Associates L.L.C., a Delaware limited liability company (“ALFA”) and Accel Leaders Fund Investors 2016 L.L.C. (“ALFI16”). Only those items that are hereby reported are amended; all other items reported in the Original Schedule 13G remain unchanged. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Capitalized terms not defined in this Amendment No. 1 have the meanings ascribed to them in the Original Schedule 13G.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 16, 2021

* Signed pursuant to a Power of Attorney already on file with the appropriate agencies.

EXHIBIT INDEX

EXHIBIT A

Agreement of Joint Filing

The Reporting Persons agree that a single Schedule 13G (or any amendment thereto) relating to the Common Stock of Slack Technologies, Inc. shall be filed on behalf of each of the Reporting Persons. Note that copies of the applicable Agreement of Joint Filings are already on file with the appropriate agencies.