VSTM Verastem, Inc.
Verastem, Inc. (VSTM) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 67% planned / 33% discretionary
Largest single sale: $87.2K.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Calkins Daniel | Chief Financial Officer | Sell | 55 | $7.70 | $424 | 118,014 −0% of holding | |
| Paterson Dan | President and CEO | Sell | 1,302 | $5.81 | $7.6K | 589,940 −0.2% of holding | |
| Paterson Dan | President and CEO | Sell | 20,871 | $4.18 | $87.2K | 591,242 −3.4% of holding | |
| Calkins Daniel 2 fills | Chief Financial Officer | Sell | 4,089 | $4.18 | $17.1K | 117,295 −3.4% of holding | |
| Paterson Dan | President and CEO | Sell | 806 | $5.82 | $4.7K | 612,113 −0.1% of holding | |
| Paterson Dan | President and CEO | Sell | 970 | $6.69 | $6.5K | 612,919 −0.2% of holding | |
| Paterson Dan | President and CEO | Sell | 10,321 | $7.16 | $73.9K | 400,104 −2.5% of holding | |
| Calkins Daniel | Chief Financial Officer | Sell | 5,039 | $7.16 | $36.1K | 104,719 −4.6% of holding | |
| Calkins Daniel | Chief Financial Officer | Sell | 80 | $7.86 | $629 | 109,758 −0.1% of holding | |
| Stuglik Brian M | Director | Sell | 592 | $9.14 | $5.4K | 101,147 −0.6% of holding | |
| Paterson Dan | President and CEO | Sell | 393 | $9.14 | $3.6K | 410,425 −0.1% of holding | |
| Gagnon Robert E. | Director | Sell | 283 | $9.14 | $2.6K | 41,678 −0.7% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 410,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.07 | $20.1K | 412,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.25 | $20.5K | 414,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.50 | $21.0K | 416,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.61 | $21.2K | 418,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 420,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 422,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.32 | $20.6K | 424,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.39 | $20.8K | 426,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.79 | $21.6K | 428,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.32 | $20.6K | 430,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 432,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 434,818 −0.5% of holding | |
| Kauffman Michael | Director | Sell 10b5-1 | 8,550 | $10.00 | $85.5K | 8,666 −49.7% of holding | |
| Bunn Paul A. | Director | Sell 10b5-1 | 6,250 | $10.00 | $62.5K | 2,083 −75% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 436,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell 10b5-1 | 2,000 | $10.00 | $20.0K | 438,818 −0.5% of holding | |
| Paterson Dan | President and CEO | Sell | 1,299 | $9.35 | $12.1K | 440,818 −0.3% of holding | |
| Bunn Paul A. | Director | Sell 10b5-1 | 8,333 | $9.06 | $75.5K | 8,333 −50% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.