SEC ownership of Slack Technologies, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001764925.

Comparable stake leader

Disclosed value leader

Comparable rows

0/0

Latest evidence

Issuer CIK
0001764925
Issuer location
San Francisco, CA

Ownership snapshot

Top shareholders of Slack Technologies, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Disclosed value leader
Comparable rows
0/0
Latest evidence
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 17 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-14 of 14 reporting-owner rows connected to Slack Technologies, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
14
Largest Forms 3/4/5 holder
Sheila B. Jordan
Net 12M change
$0
Latest report
21 Jul 2021
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Sheila B. Jordan Director Mixed 21 Jul 2021
Graham Smith Director Mixed 21 Jul 2021
Sarah Friar Director Mixed 21 Jul 2021
Allen Shim Chief Financial Officer Mixed 21 Jul 2021
Cal Henderson Chief Technology Officer Mixed 21 Jul 2021
Daniel Stewart Butterfield Chief Executive Officer, Director Mixed 21 Jul 2021
Brandon Zell Chief Accounting Officer Mixed 21 Jul 2021
Robert Frati Sr VP Sales, Customer Success Mixed 21 Jul 2021
Andrew Braccia Director Mixed 21 Jul 2021
Tamar Yehoshua Chief Product Officer Mixed 21 Jul 2021
John Ofarrell Director Mixed 21 Jul 2021
Michael M. Mcnamara Director Mixed 21 Jul 2021
Edith W. Cooper Director Mixed 21 Jul 2021
David Schellhase General Counsel and Secretary Mixed 21 Jul 2021

Recent insider transactions for Slack Technologies, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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