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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-20-019856
Filing Date
2020-03-17
Accepted
2020-03-17 21:17:54
Documents
1
Period of Report
2020-03-13

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 37544
  Complete submission text file 0001209191-20-019856.txt   42588
Mailing Address C/O ARNOLD & PORTER LLP 3 EMBARCADERO CENTER 7TH FLOOR SAN FRANCISCO CA 94111
Business Address
Andreessen Marc L (Reporting) CIK: 0001160077 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722978

Mailing Address 2865 SAND HILL ROAD #101 MENLO PARK CA 94025
Business Address
HOROWITZ BENJAMIN A (Reporting) CIK: 0001166586 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722979

Mailing Address 2865 SAND HILL ROAD SUITE 101 MENLO PARK CA 94025
Business Address 2865 SAND HILL ROAD SUITE 101 MENLO PARK CA 94025 6503212400
AH Equity Partners I, L.L.C. (Reporting) CIK: 0001466219 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722977

Mailing Address 2875 SAND HILL ROAD MENLO PARK CA 94025
Business Address 2875 SAND HILL ROAD MENLO PARK CA 94025 6503212400
Andreessen Horowitz Fund I, L.P. (Reporting) CIK: 0001466249 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722974

Mailing Address 2875 SAND HILL ROAD MENLO PARK CA 94025
Business Address 2875 SAND HILL ROAD MENLO PARK CA 94025 6503212400
Andreessen Horowitz Fund I-B, L.P. (Reporting) CIK: 0001466267 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722976

Mailing Address 2875 SAND HILL ROAD MENLO PARK CA 94025
Business Address 2875 SAND HILL ROAD MENLO PARK CA 94025 6503212400
Andreessen Horowitz Fund I-A, L.P. (Reporting) CIK: 0001466268 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722975

Mailing Address 2865 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025
Business Address 2865 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 (650) 798-3900
AH Equity Partners III, L.L.C. (Reporting) CIK: 0001540361 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722981

Mailing Address 500 HOWARD STREET SAN FRANCISCO CA 94105
Business Address 500 HOWARD STREET SAN FRANCISCO CA 94105 (415) 630-7943
Slack Technologies, Inc. (Issuer) CIK: 0001764925 (see all company filings)

IRS No.: 264400325 | State of Incorp.: DE | Fiscal Year End: 0131
SIC: 7385 Services-Telephone Interconnect Systems
Office of Trade & Services

Mailing Address 2865 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025
Business Address 2865 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 650.798.5800
a16z Seed-III, LLC (Reporting) CIK: 0001775245 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38926 | Film No.: 20722980