Brian M Stuglik sold $5,411 of VSTM
director at Verastem, Inc.. 592 shares at an average of $9.14, traded Dec 16, 2025, filed Dec 18, 2025.
Score components
- +15RoleDirector
- 0Trade size$5k at market
- 0Share of holdings soldSold 0.6% of holdings
- +15Cluster4 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -13.8%, 3m -24.9%, 6m -46.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001104659-25-122579, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 16, 2025 | SOpen-market sale Common Stock10b5-1 | -592 | $9.14 | $5,411 | 101,147 | Dec 18, 2025 |
Related signals
Other insiders at Verastem, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 10Weak | Verastem, Inc. | Daniel Calkins Chief Financial Officer | $21k 2,566 shares | -2% | |
| 28Weak | Verastem, Inc. | Dan Paterson President and CEO | $353k 44,121 shares | -6% | |
| 10Weak | Verastem, Inc. | Daniel Calkins Chief Financial Officer | $424 55 shares | -0% | |
| 5Weak | Verastem, Inc. | Dan Paterson President and CEO | $7,565 1,302 shares | -0% | |
| 10Weak | Verastem, Inc. | Daniel Calkins Chief Financial Officer | $17k 4,089 shares | -3% | |
| 22Weak | Verastem, Inc. | Dan Paterson President and CEO | $87k 20,871 shares | -3% | |
| 5Weak | Verastem, Inc. | Dan Paterson President and CEO | $4,691 806 shares | -0% | |
| 5Weak | Verastem, Inc. | Dan Paterson President and CEO | $6,489 970 shares | -0% | |
| 16Weak | Verastem, Inc. | Daniel Calkins Chief Financial Officer | $36k 5,039 shares | -5% | |
| 21Weak | Verastem, Inc. | Dan Paterson President and CEO | $74k 10,321 shares | -3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.