Accel Growth Fund IV Associates L.L.C. Form 4 Slack / Growth Fund III Associates L.L.C. Accel 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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Accel X LP

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(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)
06/07/2019

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Series D Preferred Stock	⁽¹⁾	06/07/2019		C			9,861,480	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	9,861,480	$0	0	I	By Accel Growth Fund III L.P.⁽³⁾
Series D Preferred Stock	⁽¹⁾	06/07/2019		C			465,570	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	465,570	$0	0	I	By Accel Growth Fund III Strategic Partners L.P.⁽⁴⁾
Series D Preferred Stock	⁽¹⁾	06/07/2019		C			653,340	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	653,340	$0	0	I	By Accel Growth Fund Investors 2014 L.L.C.⁽⁵⁾
Series E Preferred Stock	⁽¹⁾	06/07/2019		C			586,403	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	586,403	$0	0	I	By Accel Growth Fund III L.P.⁽³⁾
Series E Preferred Stock	⁽¹⁾	06/07/2019		C			27,685	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	27,685	$0	0	I	By Accel Growth Fund III Strategic Partners L.P.⁽⁴⁾
Series E Preferred Stock	⁽¹⁾	06/07/2019		C			38,850	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	38,850	$0	0	I	By Accel Growth Fund Investors 2014 L.L.C.⁽⁵⁾
Series F-1 Preferred Stock	⁽¹⁾	06/07/2019		C			4,374,233	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	4,374,233	$0	0	I	By Accel Growth Fund III L.P.⁽³⁾
Series F-1 Preferred Stock	⁽¹⁾	06/07/2019		C			206,514	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	206,514	$0	0	I	By Accel Growth Fund III Strategic Partners L.P.⁽⁴⁾
Series F-1 Preferred Stock	⁽¹⁾	06/07/2019		C			289,799	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	289,799	$0	0	I	By Accel Growth Fund Investors 2014 L.L.C.⁽⁵⁾
Series G Preferred Stock	⁽¹⁾	06/07/2019		C			4,080,388	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	4,080,388	$0	0	I	By Accel Growth Fund IV L.P.⁽⁶⁾
Series G Preferred Stock	⁽¹⁾	06/07/2019		C			23,213	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	23,213	$0	0	I	By Accel Growth Fund IV Strategic Partners L.P.⁽⁷⁾
Series G Preferred Stock	⁽¹⁾	06/07/2019		C			195,164	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	195,164	$0	0	I	By Accel Growth Fund Investors 2016 L.L.C.⁽⁸⁾
Series H Preferred Stock	⁽¹⁾	06/07/2019		C			797,292	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	797,292	$0	0	I	By Accel Growth Fund IV L.P.⁽⁶⁾
Series H Preferred Stock	⁽¹⁾	06/07/2019		C			4,536	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	4,536	$0	0	I	By Accel Growth Fund IV Strategic Partners L.P.⁽⁷⁾
Series H Preferred Stock	⁽¹⁾	06/07/2019		C			38,134	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾	38,134	$0	0	I	By Accel Growth Fund Investors 2016 L.L.C.⁽⁸⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		14,822,116		⁽²⁾	⁽²⁾	Class A Common Stock	14,822,116	$0	14,822,116	I	By Accel Growth Fund III L.P.⁽³⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		699,769		⁽²⁾	⁽²⁾	Class A Common Stock	699,769	$0	699,769	I	By Accel Growth Fund III Strategic Partners L.P.⁽⁴⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		981,989		⁽²⁾	⁽²⁾	Class A Common Stock	981,989	$0	981,989	I	By Accel Growth Fund Investors 2014 L.L.C.⁽⁵⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		4,877,680		⁽²⁾	⁽²⁾	Class A Common Stock	4,877,680	$0	4,877,680	I	By Accel Growth Fund IV L.P.⁽⁶⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		27,749		⁽²⁾	⁽²⁾	Class A Common Stock	27,749	$0	27,749	I	By Accel Growth Fund IV Strategic Partners L.P.⁽⁷⁾
Class B Common Stock	⁽²⁾	06/07/2019		J⁽¹⁾		233,298		⁽²⁾	⁽²⁾	Class A Common Stock	233,298	$0	233,298	I	By Accel Growth Fund Investors 2016 L.L.C.⁽⁸⁾

1. Name and Address of Reporting Person^*

Accel X LP

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund III L.P.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund III Strategic Partners L.P.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund III Associates L.L.C.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund Investors 2014 L.L.C.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund IV L.P.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund IV Strategic Partners L.P.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund IV Associates L.L.C.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

Accel Growth Fund Investors 2016 L.L.C.

(Last)

(First)

(Middle)

500 UNIVERSITY AVENUE

(Street)

PALO ALTO

94301

(City)

(State)

(Zip)

Explanation of Responses:

1. The Series D, Series E, Series F-1, Series G and Series H Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of preferred stock were converted, in an exempt transaction pursuant to Rule 16b-7, into shares of Class B Common Stock of the Issuer.

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. These shares are held by Accel Growth Fund III L.P. Accel Growth Fund III Associates L.L.C is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel Growth Fund III Entities). The managing members of Accel Growth Fund III Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong. Accel Growth Fund III Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities, and its managing members share such powers.

4. These shares are held by Accel Growth Fund III Strategic Partners L.P.. Accel Growth Fund III Associates L.L.C. is the general partner of each of the Accel Growth Fund III Entities. The managing members of Accel Growth Fund III Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong. Accel Growth Fund III Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities, and its managing members share such powers.

5. These shares are held by Accel Growth Fund Investors 2014 L.L.C. The managing members of Accel Growth Fund Investors 2014 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Growth Fund Investors 2014 L.L.C.

6. These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (the "Accel Growth Fund IV Entities"). The managing members of Accel Growth Fund IV Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong. Accel Growth Fund IV Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities, and its managing members share such powers.

7. These shares are held by Accel Growth Fund IV Strategic Partners L.P. Accel Growth Fund IV Associates L.L.C. is the general partner of each of the Accel Growth Fund IV Entities. The managing members of Accel Growth Fund IV Associates L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong. Accel Growth Fund IV Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities, and its managing members share such powers.

8. These shares are held by Accel Growth Fund Investors 2016 L.L.C. The managing member of Accel Growth Fund Investors 2016 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, Ryan Sweeney, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Growth Fund Investors 2016 L.L.C.

Remarks:

This Form 4 is the second of three Form 4s filed relating to the same event. Combined, the three reports report the holdings for the following reporting persons (the "Accel Reporting Persons"): Accel X L.P., Accel X Strategic Partners L.P., Accel X Associates L.L.C., Accel Investors 2009 L.L.C., Accel XI L.P., Accel XI Strategic Partners L.P., Accel XI Associates L.L.C., Accel Investors 2013 L.L.C., Accel Growth Fund III L.P., Accel Growth Fund III Strategic Partners L.P., Accel Growth Fund III Associates L.L.C., Accel Growth Fund Investors 2014 L.L.C., Accel Growth Fund IV L.P., Accel Growth Fund IV Strategic Partners L.P., Accel Growth Fund IV Associates L.L.C., Accel Growth Fund Investors 2016 L.L.C., Accel Leaders Fund L.P., Accel Leaders Fund Associates L.L.C. and Accel Leaders Fund Investors 2016 L.L.C. This Form 4 has been split into three filings because there are more than 10 Accel Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons and because there are more than 30 reportable transactions among the Accel Reporting Persons. Each Form 4 is filed by designated filer Accel X L.P.

	/s/ TRACY L. SEDLOCK. 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 4 (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.

Accel Growth Fund IV Associates L.L.C. Form 4Slack / Growth Fund III Associates L.L.C. Accel ownership change