AH Equity Partners IV Form 4/A Slack / Equity Partners IV ownership change

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

AH Parallel Fund IV, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK, CA 94025

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2019

4. If Amendment, Date of Original Filed (Month/Day/Year)
06/14/2019

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	42,990		42,990	I	By: a16z Seed-III, LLC(2)(3)(4)

1. Name and Address of Reporting Person^*

AH Parallel Fund IV, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK, CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

AH Parallel Fund IV-A, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

AH Parallel Fund IV-B, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

AH Parallel Fund IV-Q, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

AH Equity Partners IV (Parallel), L.L.C.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Andreessen Horowitz Fund III, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Andreessen Horowitz Fund III-A, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Andreessen Horowitz Fund III-B, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Andreessen Horowitz Fund III-Q, L.P.

(Last) (First) (Middle)

2865 SAND HILL ROAD, SUITE 101

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

Explanation of Responses:

1. Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

2. These shares are held of record by a16z Seed III, LLC ("a16z Seed"). The shares held directly by a16z Seed are indirectly held by Andreessen Horowitz Fund III, L.P., Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"), the members of a16z Seed. AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The managing members of AH EP III are Marc Andreessen and Ben Horowitz. Marc Andreessen and Ben Horowitz share voting and dispositive power with respect to the shares held by a16z Seed.

3. (Continued from Footnote 2) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed (and this report shall not be deemed an admission that any such person is the beneficial owner of such securities), except to the extent of its pecuniary interest, if any, in the securities by virtue of its interest in a16z Seed.

4. Due to a clerical error, the Form 4 filed on June 14, 2019 inadvertently did not include the holdings of a16z Seed, which were unchanged from the previous Form 4 filed on June 7,2019. This amendment is being filed to include such holdings. All other information set forth in the June 14, 2019 Form 4 remains correct.

Remarks:

This Form 4 is the second of two Form 4s filed relating to the same event. Combined, the two reports report the holdings for the following reporting persons: Andreessen Horowitz Fund I, L.P., AH Equity Partners I, L.L.C., AH Parallel Fund IV, L.P., AH Equity Partners IV (Parallel), L.L.C., Marc L. Andreessen, Ben Horowitz, Andreessen Horowitz Fund I-A, L.P., Andreessen Horowitz Fund I-B, L.P., AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., AH Parallel Fund IV-Q, L.P., a16z Seed III, LLC, Andreessen Horowitz Fund III, L.P., Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., Andreessen Horowitz Fund III-Q, L.P. and AH Equity Partners III, L.L.C. This Form 4 has been split into two filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons.

	AH Parallel Fund IV, L.P. AH Parallel Fund IV-A, L.P. AH Parallel Fund IV-B, L.P. AH Parallel Fund IV-Q, L.P. By: AH Equity Partners IV (Parallel), L.L.C. Its: General Partner By: /s/ Scott Kupor Scott Kupor, Chief Operating Officer	06/25/2019
	AH Equity Partners IV (Parallel), L.L.C. By: /s/ Scott Kupor Scott Kupor, Chief Operating Officer	06/25/2019
	Andreessen Horowitz Fund III, L.P. Andreessen Horowitz Fund III-A, L.P. Andreessen Horowitz Fund III-B, L.P. Andreessen Horowitz Fund III-Q, L.P. By: AH Equity Partners III, L.L.C. Its: General Partner	06/25/2019
	By: /s/ Scott Kupor Scott Kupor, Chief Operating Officer	06/25/2019
	** Signature of Reporting Person	Date
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