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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001628280-19-007818
Filing Date
2019-06-07
Accepted
2019-06-07 20:58:47
Documents
2
Period of Report
2019-06-07

Document Format Files

Seq Description Document Type Size
1 FORM 3 wf-form3_155995551105875.html 3  
1 FORM 3 wf-form3_155995551105875.xml 3 34449
2 ACCEL POA ex-24.htm EX-24 4588
  Complete submission text file 0001628280-19-007818.txt   44096
Mailing Address 428 University Ave Palo Alto ca 94301
Business Address 428 University Ave Palo Alto ca 94301 650-614-4800
Accel X LP (Reporting) CIK: 0001419457 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887389

Mailing Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301 650 614-4800
ACCEL X STRATEGIC PARTNERS LP (Reporting) CIK: 0001430231 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887390

Mailing Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301 650-614-4800
Accel Investors 2009 L.L.C. (Reporting) CIK: 0001494979 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887392

Mailing Address 500 UNIVERSITY AVENUE PALO ALTO CA 94301
Business Address 500 UNIVERSITY AVENUE PALO ALTO CA 94301 650-614-4800
Accel X Associates L.L.C. (Reporting) CIK: 0001494996 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887391

Mailing Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301 (650) 614-4800
Accel XI L.P. (Reporting) CIK: 0001522763 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887393

Mailing Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVENUE PALO ALTO CA 94301 (650) 614-4800
Accel XI Strategic Partners L.P. (Reporting) CIK: 0001527391 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887394

Mailing Address 428 UNIVERSITY AVE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVE PALO ALTO CA 94301 650-614-4800
Accel XI Associates L.L.C. (Reporting) CIK: 0001535603 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887395

Mailing Address 428 UNIVERSITY AVE PALO ALTO CA 94301
Business Address 428 UNIVERSITY AVE PALO ALTO CA 94301 650-614-4800
Accel Investors 2013 L.L.C. (Reporting) CIK: 0001589159 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38926 | Film No.: 19887396

Mailing Address 500 HOWARD STREET SAN FRANCISCO CA 94105
Business Address 500 HOWARD STREET SAN FRANCISCO CA 94105 4159025526
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