VSTMHealthcareSmall-Cap
Verastem, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Verastem, Inc. (VSTM), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are VSTM insiders buying or selling?
Verastem, Inc. insiders reported 13 open-market buys ($502.9K) and 116 sells ($7.4M) across 129 Form 4 filings — a net selling position of $6.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 24, 2026)
Total Form 4 filings
129
SEC EDGAR
Insider filers
12
Insider buys (13)
$502.9K
Insider sells (116)
$7.4M
Insider sentiment
Net sellingNet insider flow of $6.9M in net selling.
Recent VSTM insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 24, 2026 | Dan Paterson | President and CEO | Sale | 20.9K | $4.18 | $87.2K |
| Jun 24, 2026 | Daniel Calkins | Chief Financial Officer | Sale | 4.1K | $4.18 | $17.1K |
| May 6, 2026 | Dan Paterson | President and CEO | Sale | 806 | $5.82 | $4.7K |
| Feb 5, 2026 | Dan Paterson | President and CEO | Sale | 970 | $6.69 | $6.5K |
| Jan 14, 2026 | Dan Paterson | President and CEO | Sale | 10.3K | $7.16 | $73.9K |
| Jan 14, 2026 | Daniel Calkins | Chief Financial Officer | Sale | 5.0K | $7.16 | $36.1K |
| Dec 29, 2025 | Daniel Calkins | Chief Financial Officer | Sale | 80 | $7.86 | $628.8 |
| Dec 18, 2025 | Brian M Stuglik | Director | Sale | 592 | $9.14 | $5.4K |
| Dec 18, 2025 | Dan Paterson | President and CEO | Sale | 393 | $9.14 | $3.6K |
| Dec 18, 2025 | Robert E. Gagnon | Director | Sale | 283 | $9.14 | $2.6K |
| Dec 12, 2025 | Dan Paterson | President and CEO | Sale | 4.0K | $10.04 | $40.1K |
| Dec 9, 2025 | Dan Paterson | President and CEO | Sale | 6.0K | $10.45 | $62.7K |
| Dec 4, 2025 | Dan Paterson | President and CEO | Sale | 6.0K | $10.11 | $60.6K |
| Dec 1, 2025 | Dan Paterson | President and CEO | Sale | 6.0K | $10.50 | $63.0K |
| Nov 25, 2025 | Paul A. Bunn | Director | Sale | 6.3K | $10.00 | $62.5K |
| Nov 25, 2025 | Michael Kauffman | Director | Sale | 8.6K | $10.00 | $85.5K |
| Nov 25, 2025 | Dan Paterson | President and CEO | Sale | 6.0K | $10.00 | $60.0K |
| Nov 6, 2025 | Dan Paterson | President and CEO | Sale | 3.3K | $9.74 | $32.1K |
| Oct 14, 2025 | Paul A. Bunn | Director | Sale | 8.3K | $9.06 | $75.5K |
| Sep 24, 2025 | Daniel Calkins | Chief Financial Officer | Sale | 82 | $9.13 | $748.31 |
| Sep 18, 2025 | Brian M Stuglik | Director | Sale | 587 | $9.99 | $5.9K |
| Sep 18, 2025 | Robert E. Gagnon | Director | Sale | 281 | $9.99 | $2.8K |
| Sep 18, 2025 | Dan Paterson | President and CEO | Sale | 390 | $9.99 | $3.9K |
| Aug 7, 2025 | Dan Paterson | President and CEO | Sale | 1.3K | $5.81 | $7.7K |
| Jun 24, 2025 | Dan Paterson | President and CEO | Sale | 17.8K | $5.13 | $91.4K |
Showing the 25 most recent of 129 Form 4 filings for Verastem, Inc..
Most active VSTM insiders
- Dan Paterson40 filings
- Daniel Calkins28 filings
- Brian M Stuglik24 filings
- Robert E. Gagnon22 filings
- BARBERICH TIMOTHY J3 filings
Ask anything about VSTM insider activity
Use Trabud's AI agent to query Verastem, Inc.'s Form 4 history in plain English — "Show me VSTM CEO purchases this year" or compare it against any other ticker.
Open the AI agentVSTM insider trading FAQ
Are Verastem, Inc. insiders buying or selling?
Across 129 SEC Form 4 filings, Verastem, Inc. (VSTM) insiders reported 13 open-market purchases totaling $502.9K and 116 sales totaling $7.4M. That is a net selling position of $6.9M.
How many insiders trade VSTM stock?
12 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Verastem, Inc.. The most recent filing was accepted on Jun 24, 2026.
Where does Trabud get VSTM insider trading data?
All VSTM insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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