Verastem, Inc.
VSTM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001526119
In the last 90 days, Verastem, Inc. insiders filed 0 open-market purchases and 2 sales; 156 institutions reported holding it in 13F filings for Q2 2026, worth $363.5M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Verastem, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 2 insiders, $7.99K in total
- Insiders trading
- 2
- Net value
- −$7.99K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Verastem, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Calkins Daniel | Chief Financial Officer | 118,014 | Sep 23, 2026 | 6 |
| Paterson Dan | President and CEO | 589,940 | Aug 5, 2026 | 13 |
| Bailey Michael P | Director | 108,000 | May 27, 2026 | 1 |
| Rowinsky Eric K | Director | 52,666 | May 26, 2026 | 1 |
| Johnson John | Director | 52,666 | May 26, 2026 | 1 |
| Stuglik Brian M | Director | 137,147 | May 26, 2026 | 2 |
| Kapur Anil | Director | 52,666 | May 26, 2026 | 1 |
| Robertson Michelle | Director | 52,666 | May 26, 2026 | 1 |
| Bunn Paul A. | Director | 44,333 | May 26, 2026 | 3 |
| Tollefson Karin Anna | Director | 52,666 | May 26, 2026 | 1 |
| Kauffman Michael | President of Development | 8,666 | Jan 8, 2026 | 2 |
| Gagnon Robert E. | Director | 41,678 | Dec 18, 2025 | 1 |
| Ros Matthew | Chief Operating Officer | 50,000 | Apr 3, 2025 | 0 |
| Solomon Lesley Kim | Director | – | Dec 20, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 22, 2022 (view filing) | Jun 21 | 1 day | Paterson DanPresident and COO | SSale | −2.70K | $1.14 | −$3.08K | −0.6%485.2K after | |
| Jun 22, 2022 (view filing) | Jun 21 | 1 day | Stuglik Brian MChief Executive Officer | SSale | −3.36K | $1.14 | −$3.83K | −0.3%1.16M after | |
| Jun 22, 2022 (view filing) | Jun 21 | 1 day | Gagnon Robert E.Chief Financial Officer | SSale | −1.35K | $1.14 | −$1.54K | −0.2%589.9K after | |
| May 17, 2022 (view filing) | May 16 | 1 day | Paterson DanPresident and COO | SSale | −4.99K | $1.03 | −$5.14K | −1.0%487.9K after | |
| May 17, 2022 (view filing) | May 16 | 1 day | Stuglik Brian MChief Executive Officer | SSale | −13.8K | $1.03 | −$14.2K | −1.2%1.16M after | |
| May 17, 2022 (view filing) | May 16 | 1 day | Gagnon Robert E.Chief Financial Officer | SSale | −16.6K | $1.03 | −$17.1K | −2.7%591.3K after | |
| May 4, 2022 (view filing) | May 2 | 2 days | Stuglik Brian MChief Executive Officer | SSale | −5.86K | $1.41 | −$8.26K | −0.5%1.13M after | |
| Mar 23, 2022 (view filing) | Mar 21 | 2 days | Paterson DanPresident and COO | SSale | −2.82K | $1.27 | −$3.58K | −0.6%477.9K after | |
| Mar 23, 2022 (view filing) | Mar 21 | 2 days | Stuglik Brian MChief Executive Officer | SSale | −3.51K | $1.27 | −$4.45K | −0.3%1.13M after | |
| Mar 23, 2022 (view filing) | Mar 21 | 2 days | Gagnon Robert E.Chief Financial Officer | SSale | −1.41K | $1.27 | −$1.79K | −0.3%557.9K after | |
| Feb 2, 2022 (view filing) | Jan 31 | 2 days | Stuglik Brian MChief Executive Officer | SSale | −5.70K | $1.48 | −$8.43K | −0.5%1.14M after | |
| Jan 5, 2022 (view filing) | Jan 3 | 2 days | Stuglik Brian MChief Executive Officer | SSale | −26.0K | $2.05 | −$53.4K | −2.2%1.14M after | |
| Jan 5, 2022 (view filing) | Jan 3 | 2 days | Gagnon Robert E.Chief Financial Officer | SSale | −19.6K | $2.05 | −$40.2K | −3.4%559.3K after | |
| Jan 5, 2022 (view filing) | Jan 3 | 2 days | Paterson DanPresident and COO | SSale | −23.5K | $2.05 | −$48.2K | −4.7%480.8K after | |
| Dec 22, 2021 (view filing) | Dec 20 | 2 days | Stuglik Brian MChief Executive Officer | SSale | −13.7K | $2.27 | −$31.1K | −1.2%1.17M after | |
| Dec 22, 2021 (view filing) | Dec 20 | 2 days | Paterson DanPresident and COO | SSale | −11.0K | $2.27 | −$25.0K | −2.1%504.3K after | |
| Dec 22, 2021 (view filing) | Dec 20 | 2 days | Gagnon Robert E.Chief Financial Officer | SSale | −5.50K | $2.27 | −$12.5K | −0.9%578.9K after |