Verastem, Inc (VSTM) insider trading
Every open-market stock purchase and sale by Verastem, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $780K over the last 12 months (19 sales). No open-market buys.
- Last insider buy: Timothy J Barberich (Director), $109K, 5 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $780K (19 sales). Last close $3.67 on Jun 7, 2026.
Recent VSTM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 22, 2026 | Dan Paterson (CEO) | Sold | $87.2K |
| Jun 22, 2026 | Daniel Calkins (CFO) | Sold | $16.9K |
| Jun 22, 2026 | Daniel Calkins (CFO) | Sold | $235 |
| May 21, 2026 | Paul A. Bunn (Director) | Bought (not open market) | — |
| May 21, 2026 | John Johnson (Director) | Bought (not open market) | — |
| May 21, 2026 | Anil Kapur (Director) | Bought (not open market) | — |
| May 21, 2026 | Michael P Bailey (Director) | Bought (not open market) | — |
| May 21, 2026 | Karin Anna Tollefson (Director) | Bought (not open market) | — |
| May 21, 2026 | Brian M Stuglik (Director) | Bought (not open market) | — |
| May 21, 2026 | Eric K Rowinsky (Director) | Bought (not open market) | — |
| May 21, 2026 | Michelle Robertson (Director) | Bought (not open market) | — |
| May 4, 2026 | Dan Paterson (CEO) | Sold | $4.7K |
| Mar 20, 2026 | Daniel Calkins (CFO) | Sold (not open market) | $327 |
| Feb 4, 2026 | Dan Paterson (CEO) | Sold | $6.5K |
| Jan 21, 2026 | Dan Paterson (CEO) | Bought (not open market) | — |
| Jan 21, 2026 | Daniel Calkins (CFO) | Bought (not open market) | — |
| Jan 12, 2026 | Dan Paterson (CEO) | Sold | $73.9K |
| Jan 12, 2026 | Daniel Calkins (CFO) | Sold | $36.1K |
| Jan 6, 2026 | Michael Kauffman (President) | Bought (not open market) | — |
| Dec 24, 2025 | Daniel Calkins (CFO) | Sold | $629 |
| Dec 16, 2025 | Brian M Stuglik (Director) | Sold | $5.4K |
| Dec 16, 2025 | Dan Paterson (CEO) | Sold | $3.6K |
| Dec 16, 2025 | Robert E. Gagnon (Director) | Sold | $2.6K |
| Dec 11, 2025 | Dan Paterson (CEO) | Sold | $20K |
| Dec 10, 2025 | Dan Paterson (CEO) | Sold | $20.1K |
Who's trading VSTM
- Daniel Calkins, CFO: sold $53.8K (4 sales), last Jun 22, 2026
- Dan Paterson, CEO: sold $495K (21 sales), last Jun 22, 2026
- John Johnson, Director: other filings, last May 21, 2026
- Anil Kapur, Director: other filings, last May 21, 2026
- Michael P Bailey, Director: other filings, last May 21, 2026
- Paul A. Bunn, Director: sold $138K (2 sales), last May 21, 2026
- Eric K Rowinsky, Director: other filings, last May 21, 2026
- Brian M Stuglik, Director: sold $5.4K (1 sale), last May 21, 2026
- Karin Anna Tollefson, Director: other filings, last May 21, 2026
- Michelle Robertson, Director: other filings, last May 21, 2026
- Michael Kauffman, Director: sold $85.5K (1 sale), last Jan 6, 2026
- Robert E. Gagnon, Director: sold $2.6K (1 sale), last Dec 16, 2025
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