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:

 

  ¨ Rule 13d-1(b)
  ¨ Rule 13d-1(c)
  x Rule 13d-1(d)

 

*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

 

 

 

 

 

 

CUSIP NO. 83088V102 13 G Page 2 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X L.P. (“A10”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 3 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X Strategic Partners L.P. (“A10SP”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

CUSIP NO. 83088V102 13 G Page 4 of 24

 

1

NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON OO

 

 

 

CUSIP NO. 83088V102 13 G Page 5 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Investors 2009 L.L.C. (“AI09”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* OO

 

 

 

CUSIP NO. 83088V102 13 G Page 6 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI L.P. (“A11”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 7 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI Strategic Partners L.P. (“A11SP”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 8 of 24

 

1

NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON OO

 

 

 

CUSIP NO. 83088V102 13 G Page 9 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Investors 2013 L.L.C. (“AI13”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* OO

 

 

 

CUSIP NO. 83088V102 13 G Page 10 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund III L.P. (“AGF3”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 11 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund III Strategic Partners L.P. (“AGF3SP”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 12 of 24

 

1

NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund III Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON OO

 

 

 

CUSIP NO. 83088V102 13 G Page 13 of 24

  

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund Investors 2014 L.L.C. (“AGFI14”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* OO

 

 

 

CUSIP NO. 83088V102 13 G Page 14 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund IV L.P. (“AGF4”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
4,877,680 shares, 1,219,420 of which are Class A Common Stock and 3,658,260 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGF4. Accel Growth Fund IV Associates L.L.C. (“AGF4A”), the general partner of AGF4, may be deemed to have sole power to vote these shares.
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
4,877,680 shares, 1,219,420 of which are Class A Common Stock and 3,658,260 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGF4. AGF4A, the general partner of AGF4, may be deemed to have sole power to dispose of these shares.
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,877,680
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.0% (1)
12 TYPE OF REPORTING PERSON* PN

 

(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.

 

 

 

CUSIP NO. 83088V102 13 G Page 15 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund IV Strategic Partners L.P. (“AGF4SP”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
27,749 shares, 6,937 of which are Class A Common Stock and 20,812 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGF4SP. AGF4A, the general partner of AGF4SP, may be deemed to have sole power to vote these shares.
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
27,749 shares, 6,937 of which are Class A Common Stock and 20,812 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGF4SP. AGF4A, the general partner of AGF4SP, may be deemed to have sole power to dispose of these shares.
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 27,749
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% (1)
12 TYPE OF REPORTING PERSON* PN

 

(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.

 

 

 

CUSIP NO. 83088V102 13 G Page 16 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund IV Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
4,905,429 shares, 1,226,357 of which are Class A Common Stock and 3,679,072 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned, of which 4,877,680 are directly owned by AGF4 and 27,749 are directly owned by AGF4SP. AGF4A, the general partner of AGF4 and AGF4SP, may be deemed to have sole power to vote these shares.
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
4,905,429 shares, 1,226,357 of which are Class A Common Stock and 3,679,072 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned, of which 4,877,680 are directly owned by AGF4 and 27,749 are directly owned by AGF4SP. AGF4A, the general partner of AGF4 and AGF4SP, may be deemed to have sole power to dispose of these shares.
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,905,429
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.0% (1)
12 TYPE OF REPORTING PERSON* OO

 

(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.

 

 

 

CUSIP NO. 83088V102 13 G Page 17 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Growth Fund Investors 2016 L.L.C. (“AGFI16”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
233,298 shares, 58,325 of which are Class A Common Stock and 174,973 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGFI16.
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
233,298 shares, 58,325 of which are Class A Common Stock and 174,973 of which are issuable upon conversion of Class B Common Stock, all of such shares are directly owned by AGFI16.
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 233,298
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% (1)
12 TYPE OF REPORTING PERSON* OO

 

(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.

 

 

 

CUSIP NO. 83088V102 13 G Page 18 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund L.P. (“ALF”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH

REPORTING
PERSON
WITH

5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* PN

 

 

 

CUSIP NO. 83088V102 13 G Page 19 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* OO

 

 

 

CUSIP NO. 83088V102 13 G Page 20 of 24

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund Investors 2016 L.L.C. (“ALFI16”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)    ¨    (b)    x

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON
WITH
5 SOLE VOTING POWER
-0-
  6 SHARED VOTING POWER
-0-
  7 SOLE DISPOSITIVE POWER
-0-
  8 SHARED DISPOSITIVE POWER
-0-

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0-
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%
12 TYPE OF REPORTING PERSON* OO

 

 

 

CUSIP NO. 83088V102 13 G Page 21 of  24

 

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.

 

  ITEM 4.

OWNERSHIP


The following information with respect to the ownership of the Class A Common Stock of the issuer by the persons filing this Statement is provided as of December 31, 2020.

 

  (a)

Amount beneficially owned:

 

See Row 9 of cover page for each Reporting Person.

  (b)

Percent of Class:

 

See Row 11 of cover page for each Reporting Person.

 

  (c)

Number of shares as to which such person has:

 

  (i)

Sole power to vote or to direct the vote:

 

See Row 5 of cover page for each Reporting Person.

 

  (ii) Shared power to vote or to direct the vote:
     
    See Row 6 of cover page for each Reporting Person.
             

  (iii) Sole power to dispose or to direct the disposition of:
     
    See Row 7 of cover page for each Reporting Person.
     
  (iv) Shared power to dispose or to direct the disposition of:
     
    See Row 8 of cover page for each Reporting Person.

 

  ITEM 5.

OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

 

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5% of the class of securities, check the following: x.

 

 

 

 

CUSIP NO. 83088V102 13 G Page 22 of 24

 

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

 

Entities:   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.*
    Accel Leaders Fund Investors 2016 L.L.C.*

 

  By: /s/ Tracy L. Sedlock
    Tracy L. Sedlock, Attorney-in-fact for
    the above-listed entities

 

 

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

 

 

 

CUSIP NO. 83088V102 13 G Page 23 of 24

 

EXHIBIT INDEX

 

    Found on
Sequentially
Exhibit   Numbered Page
     
Exhibit A: Agreement of Joint Filing   24

 

 

 

CUSIP NO. 83088V102 13 G Page 24 of 24

 

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.

 

 

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