VSTM · Verastem Inc. Common Stock
View on chartInsiders & Stakes
| Dan Paterson President and CEO | ▼ Sell | Open Market | 589,940 Shares held | 8/3/2026 | View profile |
| Brian M. Stuglik Director | ▲ Buy | Grant | 137,147 Shares held | 5/21/2026 | View profile |
| Daniel Calkins Chief Financial Officer | ▼ Sell | Open Market | 117,238 Shares held | 6/22/2026 | View profile |
| Michael P. Bailey Director | ▲ Buy | Grant | 108,000 Shares held | 5/21/2026 | View profile |
| Eric K. Rowinsky Director | ▲ Buy | Grant | 52,666 Shares held | 5/21/2026 | View profile |
| Michelle Robertson Director | ▲ Buy | Grant | 52,666 Shares held | 5/21/2026 | View profile |
| Karin Anna Tollefson Director | ▲ Buy | Grant | 52,666 Shares held | 5/21/2026 | View profile |
| Anil Kapur Director | ▲ Buy | Grant | 52,666 Shares held | 5/21/2026 | View profile |
| John Johnson Director | ▲ Buy | Grant | 52,666 Shares held | 5/21/2026 | View profile |
| Ros Matthew Chief Operating Officer | ▲ Buy | Grant | 50,000 Shares held | 4/1/2025 | View profile |
| Paul A. Bunn Director | ▲ Buy | Grant | 44,333 Shares held | 5/21/2026 | View profile |
| Robert E. Gagnon Chief Financial Officer | ▼ Sell | Open Market | 41,678 Shares held | 12/16/2025 | View profile |
| Michael Kauffman Director | ▼ Sell | Open Market | 8,666 Shares held | 11/21/2025 | View profile |
Transaction History
| Dan Paterson | ▼ Sell | Open Market | 1,302 | $8K | 8/3/2026 |
| Daniel Calkins | ▼ Sell | Open Market | 4,032 | $17K | 6/22/2026 |
| Daniel Calkins | ▼ Sell | Open Market | 57 | $235 | 6/22/2026 |
| Dan Paterson | ▼ Sell | Open Market | 20,871 | $87K | 6/22/2026 |
| Michael P. Bailey | ▲ Buy | Grant | 108,000 | $0 | 5/21/2026 |
| Karin Anna Tollefson | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Brian M. Stuglik | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Eric K. Rowinsky | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Michelle Robertson | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Anil Kapur | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Paul A. Bunn | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| John Johnson | ▲ Buy | Grant | 36,000 | $0 | 5/21/2026 |
| Dan Paterson | ▼ Sell | Open Market | 806 | $5K | 5/4/2026 |
| Daniel Calkins | ▲ Buy | Grant | 57 | $327 | 3/20/2026 |
| Dan Paterson | ▼ Sell | Open Market | 970 | $6K | 2/4/2026 |
| Daniel Calkins | ▲ Buy | Grant | 16,665 | $0 | 1/21/2026 |
| Dan Paterson | ▲ Buy | Grant | 213,785 | $0 | 1/21/2026 |
| Dan Paterson | ▼ Sell | Open Market | 10,321 | $74K | 1/12/2026 |
| Daniel Calkins | ▼ Sell | Open Market | 5,039 | $36K | 1/12/2026 |
| Daniel Calkins | ▼ Sell | Open Market | 80 | $629 | 12/24/2025 |
| Brian M. Stuglik | ▼ Sell | Open Market | 592 | $5K | 12/16/2025 |
| Dan Paterson | ▼ Sell | Open Market | 393 | $4K | 12/16/2025 |
| Robert E. Gagnon | ▼ Sell | Open Market | 283 | $3K | 12/16/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 12/11/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 12/10/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 12/9/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 12/8/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 12/5/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 12/4/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 12/3/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 12/2/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 12/1/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $22K | 11/28/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $21K | 11/26/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 11/25/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 11/24/2025 |
| Paul A. Bunn | ▼ Sell | Open Market | 6,250 | $63K | 11/21/2025 |
| Paul A. Bunn | ▲ Buy | Option Exercise | 6,250 | $20K | 11/21/2025 |
| Michael Kauffman | ▼ Sell | Open Market | 8,550 | $86K | 11/21/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 11/21/2025 |
| Dan Paterson | ▼ Sell | Open Market | 1,299 | $12K | 11/3/2025 |
| Dan Paterson | ▼ Sell | Open Market | 2,000 | $20K | 11/3/2025 |
| Paul A. Bunn | ▼ Sell | Open Market | 8,333 | $75K | 10/9/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 25 | $231 | 9/24/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 57 | $518 | 9/22/2025 |
| Brian M. Stuglik | ▼ Sell | Open Market | 587 | $6K | 9/16/2025 |
| Robert E. Gagnon | ▼ Sell | Open Market | 281 | $3K | 9/16/2025 |
| Dan Paterson | ▼ Sell | Open Market | 390 | $4K | 9/16/2025 |
| Dan Paterson | ▼ Sell | Open Market | 1,332 | $8K | 8/6/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 25 | $118 | 6/23/2025 |
| Dan Paterson | ▼ Sell | Open Market | 17,808 | $91K | 6/20/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 4,110 | $21K | 6/20/2025 |
| Dan Paterson | ▼ Sell | Open Market | 335 | $2K | 6/16/2025 |
| Robert E. Gagnon | ▼ Sell | Open Market | 284 | $2K | 6/16/2025 |
| Brian M. Stuglik | ▼ Sell | Open Market | 594 | $3K | 6/16/2025 |
| Michelle Robertson | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Paul A. Bunn | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Anil Kapur | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Brian M. Stuglik | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Robert E. Gagnon | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Michael Kauffman | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Karin Anna Tollefson | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| John Johnson | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Eric K. Rowinsky | ▲ Buy | Grant | 8,333 | $0 | 5/22/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 11,143 | $91K | 5/20/2025 |
| Dan Paterson | ▼ Sell | Open Market | 58,677 | $477K | 5/20/2025 |
| Daniel Calkins | ▲ Buy | Grant | 38,850 | $0 | 5/16/2025 |
| Dan Paterson | ▲ Buy | Grant | 25,000 | $0 | 5/16/2025 |
| Dan Paterson | ▲ Buy | Grant | 150,000 | $0 | 5/16/2025 |
| Dan Paterson | ▼ Sell | Open Market | 820 | $6K | 5/5/2025 |
| Ros Matthew | ▲ Buy | Grant | 50,000 | $0 | 4/1/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 26 | $183 | 3/24/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 65 | $448 | 3/20/2025 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $2K | 3/17/2025 |
| Robert E. Gagnon | ▼ Sell | Open Market | 284 | $2K | 3/17/2025 |
| Brian M. Stuglik | ▼ Sell | Open Market | 593 | $4K | 3/17/2025 |
| Dan Paterson | ▼ Sell | Open Market | 858 | $5K | 2/4/2025 |
| Dan Paterson | ▼ Sell | Open Market | 8,568 | $45K | 1/13/2025 |
| Dan Paterson | ▲ Buy | Grant | 100,000 | $0 | 1/10/2025 |
| Dan Paterson | ▲ Buy | Grant | 25,000 | $0 | 1/10/2025 |
| Daniel Calkins | ▲ Buy | Grant | 38,800 | $0 | 1/10/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 6 | $42 | 1/6/2025 |
| Daniel Calkins | ▼ Sell | Open Market | 28 | $109 | 12/24/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 65 | $282 | 12/20/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 130 | $568 | 12/19/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 334 | $1K | 12/19/2024 |
| Dan Paterson | ▼ Sell | Open Market | 183 | $800 | 12/19/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 285 | $1K | 12/16/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 595 | $3K | 12/16/2024 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $1K | 12/16/2024 |
| Dan Paterson | ▼ Sell | Open Market | 812 | $3K | 11/5/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 6 | $17 | 10/7/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 28 | $75 | 9/24/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 65 | $182 | 9/20/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 131 | $365 | 9/19/2024 |
| Dan Paterson | ▼ Sell | Open Market | 184 | $513 | 9/19/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 336 | $937 | 9/19/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 287 | $804 | 9/16/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 600 | $2K | 9/16/2024 |
| Dan Paterson | ▼ Sell | Open Market | 246 | $689 | 9/16/2024 |
| Dan Paterson | ▼ Sell | Open Market | 3,245 | $7K | 8/5/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 7 | $18 | 7/9/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 28 | $88 | 6/24/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 67 | $212 | 6/20/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 131 | $421 | 6/20/2024 |
| Dan Paterson | ▼ Sell | Open Market | 183 | $587 | 6/20/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 335 | $1K | 6/20/2024 |
| Paul A. Bunn | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Eric K. Rowinsky | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Anil Kapur | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Michelle Robertson | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Daniel Calkins | ▲ Buy | Grant | 38,850 | $0 | 6/18/2024 |
| Michael Kauffman | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Robert E. Gagnon | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Karin Anna Tollefson | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Dan Paterson | ▲ Buy | Grant | 150,000 | $0 | 6/18/2024 |
| Brian M. Stuglik | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| John Johnson | ▲ Buy | Grant | 8,333 | $0 | 6/18/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 283 | $988 | 6/17/2024 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $852 | 6/17/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 593 | $2K | 6/17/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 6 | $65 | 4/5/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 25 | $301 | 3/25/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 55 | $609 | 3/20/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 130 | $1K | 3/19/2024 |
| Dan Paterson | ▼ Sell | Open Market | 182 | $2K | 3/19/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 273 | $3K | 3/19/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 283 | $3K | 3/18/2024 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $3K | 3/18/2024 |
| Brian M. Stuglik | ▼ Sell | Open Market | 537 | $6K | 3/18/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 9,204 | $126K | 2/6/2024 |
| Robert E. Gagnon | ▼ Sell | Open Market | 9,204 | $101K | 1/12/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 6 | $51 | 1/5/2024 |
| Daniel Calkins | ▼ Sell | Open Market | 25 | $202 | 12/26/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 57 | $452 | 12/20/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 130 | $1K | 12/19/2023 |
| Dan Paterson | ▼ Sell | Open Market | 183 | $1K | 12/19/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 274 | $2K | 12/19/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 284 | $2K | 12/18/2023 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $2K | 12/18/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 487 | $4K | 12/18/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 5 | $37 | 10/5/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 25 | $235 | 9/25/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 232 | $2K | 9/21/2023 |
| Dan Paterson | ▼ Sell | Open Market | 183 | $2K | 9/19/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 130 | $1K | 9/19/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 274 | $3K | 9/19/2023 |
| Dan Paterson | ▼ Sell | Open Market | 240 | $2K | 9/18/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 278 | $3K | 9/18/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 478 | $5K | 9/18/2023 |
| Dan Paterson | ▲ Buy | Grant | 50,000 | $0 | 8/2/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 5 | $40 | 7/6/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 26 | $212 | 6/26/2023 |
| Dan Paterson | ▼ Sell | Open Market | 183 | $2K | 6/20/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 130 | $1K | 6/20/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 275 | $3K | 6/20/2023 |
| Dan Paterson | ▼ Sell | Open Market | 244 | $2K | 6/16/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 283 | $3K | 6/16/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 487 | $5K | 6/16/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 75 | $28 | 4/5/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 378 | $159 | 3/24/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 1,664 | $716 | 3/20/2023 |
| Dan Paterson | ▼ Sell | Open Market | 2,339 | $1K | 3/20/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 3,508 | $2K | 3/20/2023 |
| Robert E. Gagnon | ▼ Sell | Open Market | 3,654 | $1K | 3/16/2023 |
| Dan Paterson | ▼ Sell | Open Market | 3,138 | $1K | 3/16/2023 |
| Brian M. Stuglik | ▼ Sell | Open Market | 6,276 | $3K | 3/16/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 74 | $32 | 1/5/2023 |
| Daniel Calkins | ▼ Sell | Open Market | 1,246 | $411 | 12/27/2022 |
| Dan Paterson | ▼ Sell | Open Market | 2,954 | $1K | 12/19/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 1,429 | $529 | 12/19/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 3,556 | $1K | 12/19/2022 |
| Dan Paterson | ▼ Sell | Open Market | 15,676 | $6K | 12/16/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 12,408 | $5K | 12/16/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 25,162 | $10K | 12/16/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 3,355 | $4K | 9/19/2022 |
| Dan Paterson | ▼ Sell | Open Market | 2,786 | $3K | 9/19/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 1,348 | $2K | 9/19/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 5,858 | $6K | 8/1/2022 |
| Dan Paterson | ▼ Sell | Open Market | 2,701 | $3K | 6/21/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 3,362 | $4K | 6/21/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 1,351 | $2K | 6/21/2022 |
| Dan Paterson | ▼ Sell | Open Market | 4,988 | $5K | 5/16/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 13,794 | $14K | 5/16/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 16,627 | $17K | 5/16/2022 |
| Dan Paterson | ▲ Buy | Grant | 15,000 | $0 | 5/14/2022 |
| Brian M. Stuglik | ▲ Buy | Grant | 50,000 | $0 | 5/14/2022 |
| Robert E. Gagnon | ▲ Buy | Grant | 50,000 | $0 | 5/14/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 5,857 | $8K | 5/2/2022 |
| Dan Paterson | ▼ Sell | Open Market | 2,818 | $4K | 3/21/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 3,507 | $4K | 3/21/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 1,409 | $2K | 3/21/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 5,695 | $8K | 1/31/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 26,033 | $53K | 1/3/2022 |
| Robert E. Gagnon | ▼ Sell | Open Market | 19,612 | $40K | 1/3/2022 |
| Dan Paterson | ▼ Sell | Open Market | 23,534 | $48K | 1/3/2022 |
| Brian M. Stuglik | ▼ Sell | Open Market | 13,682 | $31K | 12/20/2021 |
| Dan Paterson | ▼ Sell | Open Market | 10,994 | $25K | 12/20/2021 |
| Robert E. Gagnon | ▼ Sell | Open Market | 5,497 | $12K | 12/20/2021 |
| Dan Paterson | ▲ Buy | Grant | 181,500 | $0 | 12/15/2021 |