Quick Takeaways
- Slack Technologies, Inc. has 14 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are not currently available.
- Info
- Insider Trading
Insider Transactions Reported by 14 Insiders of Slack Technologies, Inc.
- Location
- San Francisco, CA
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 12 Apr 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 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 |
Slack Technologies, Inc. executives and other stock owners filed with the SEC include:
| 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 |
Top shareholders of Slack Technologies, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.
Recent Insider Transactions by Companies or Individuals for Slack Technologies, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* An asterisk sign (*) next to the price indicates that the price is likely invalid.