Statement of Changes in Beneficial Ownership (4)

FORM 4 [X] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response... 0.5
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* COOPER EDITH W	2. Issuer Name and Ticker or Trading Symbol Slack Technologies, Inc. [ WORK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) C/O SLACK TECHNOLOGIES, INC., 500 HOWARD STREET	3. Date of Earliest Transaction (MM/DD/YYYY) 7/21/2021
(Street) SAN FRANCISCO,, CA 94105 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	7/21/2021		C		34179	A	⁽¹⁾	279282	D
Class A Common Stock	7/21/2021		U		279282	D	⁽²⁾	0	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽³⁾	7/21/2021		M			34179	⁽⁴⁾	⁽⁵⁾	Class B Common Stock	34179.0	$0	0	D
Class B Common Stock	⁽¹⁾	7/21/2021		M		34179		⁽¹⁾	⁽¹⁾	Class A Common Stock	34179.0	$0	34179	D
Class B Common Stock	⁽¹⁾	7/21/2021		C			34179	⁽¹⁾	⁽¹⁾	Class A Common Stock	34179.0	$0	0	D

Explanation of Responses:
(1)	Upon consummation of the exchange offer (as described below), each share of tendered Class B common stock, par value $0.0001 per share, converted on a one-to-one basis into Class A common stock, par value $0.0001 per share.
(2)	Pursuant to the Agreement and Plan of Merger, dated as of December 1, 2020 (the "Merger Agreement"), by and among salesforce.com, inc. ("Salesforce"), Skyline Strategies I Inc., Skyline Strategies II LLC, and the Issuer, each share of the Issuer's common stock was tendered in exchange for (i) 0.0776 shares of Salesforce common stock and (ii) $26.79 in cash, together with cash in lieu of any fractional shares of Salesforce common stock.
(3)	This restricted stock unit ("RSU") represents the right to receive shares of Class B common stock.
(4)	In connection with the transactions contemplated by the Merger Agreement, the Reporting Person's RSUs were accelerated and became fully vested upon the effective time of the merger.
(5)	Not applicable.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
COOPER EDITH W C/O SLACK TECHNOLOGIES, INC. 500 HOWARD STREET SAN FRANCISCO,, CA 94105	X