SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Zell Brandon

(Last)

(First)

(Middle)

C/O SLACK TECHNOLOGIES, INC.

500 HOWARD STREET

(Street)

SAN FRANCISCO,

94105

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2019

3. Issuer Name and Ticker or Trading Symbol
Slack Technologies, Inc. [ WORK ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Accounting Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	190,000	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	⁽¹⁾	05/10/2024	Class B Common Stock⁽²⁾	25,000	⁽³⁾	D
Restricted Stock Units	⁽⁴⁾	06/20/2025	Class B Common Stock⁽²⁾	25,000	⁽³⁾	D
Restricted Stock Units	⁽⁵⁾	11/28/2025	Class B Common Stock⁽²⁾	120,000	⁽³⁾	D
Restricted Stock Units	⁽⁶⁾	04/03/2026	Class B Common Stock⁽²⁾	20,000	⁽³⁾	D
Stock Option (Right to Buy)	⁽⁷⁾	02/26/2029	Class B Common Stock⁽²⁾	72,000	$10.56	D

Explanation of Responses:

1. The Restricted Stock Units (RSUs) are subject to time-based and performance-based vesting criteria. The time-based vesting occurs in 16 quarterly installments commencing on July 1, 2017, subject to the Reporting Person's continued service with the Issuer on each such date, and the performance-based criteria will be satisfied upon the Issuers listing and public trading of its Class A Common Stock.

2. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person and has no expiration date.

3. Each RSU represents the right to receive one share of Class B Common Stock.

4. The RSUs are subject to time-based and performance-based vesting criteria. The time-based vesting occurs in 16 quarterly installments commencing on July 1, 2018 subject to the Reporting Persons continued service with the Issuer on each such date, and the performance-based criteria will be satisfied upon the Issuers listing and public trading of its Class A Common Stock.

5. The RSUs are subject to time-based and performance-based vesting criteria. The time-based vesting occurs in 16 quarterly installments commencing on November 1, 2018 subject to the Reporting Persons continued service with the Issuer on each such date, and the performance-based criteria will be satisfied upon the Issuers listing and public trading of its Class A Common Stock.

6. The RSUs are subject to time-based and performance-based vesting criteria. The time-based vesting occurs in 16 quarterly installments commencing on July 1, 2019 subject to the Reporting Persons continued service with the Issuer on each such date, and the performance-based criteria will be satisfied upon the Issuers listing and public trading of its Class A Common Stock.

7. The stock option shall vest and become exercisable in 24 equal quarterly installments commencing on May 1, 2019, subject to the Reporting Person's continued service with the Issuer on each such date.

Remarks:

Exhibit 24.1 Power of Attorney

	/s/ David Schellhase, as Attorney-in-Fact	06/07/2019
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.