Insider · CIK 0001716328
Brian M Stuglik
Files at PBYI (PUMA BIOTECHNOLOGY, INC.), VSTM (Verastem, Inc.). First filing Dec 20, 2024, latest Dec 18, 2025.
Brian M Stuglik files SEC Form 4 as director at VSTM (Verastem, Inc.), and also at PBYI (PUMA BIOTECHNOLOGY, INC.). Since Dec 20, 2024, Brian M Stuglik has reported 0 open-market buys worth $0 and 5 open-market sells worth $46k, the latest filed on Dec 18, 2025.
A track record needs three past buys with six months of prices behind them; Brian M Stuglik has 0, so none is measured yet.
The newest scored trade: sold $5,411 of VSTM on Dec 16, 2025, filed Dec 18, 2025, scored 10 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $5,411.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
VSTM: Verastem, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
PBYI: PUMA BIOTECHNOLOGY, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 10Weak | Verastem, Inc. | $5,411 592 shares | -1% | +135% from low-20% from high | |
| 10Weak | Verastem, Inc. | $5,864 587 shares | -1% | +250% from low-15% from high | |
| 30Weak | Verastem, Inc. | $3,356 594 shares | -1% | +116% from low-34% from high | |
| 15Weak | PUMA BIOTECHNOLOGY, INC. | $27k 8,100 shares | -8% | +38% from low-10% from high | |
| 30Weak | Verastem, Inc. | $4,161 929 shares | -1% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 13, 2025 | PBYI PUMA BIOTECHNOLOGY, INC. | 8,100 0.02% of outstanding | $27k | Jun 13, 2025 | none |
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 16, 2025 | VSTM Verastem, Inc. | SOpen-market sale Common Stock10b5-1 | -592 | $9.14 | $5,411 | 101,147 | Dec 18, 2025 |
| Sep 16, 2025 | VSTM Verastem, Inc. | SOpen-market sale Common Stock10b5-1 | -587 | $9.99 | $5,864 | 101,739 | Sep 18, 2025 |
| Jun 16, 2025 | VSTM Verastem, Inc. | SOpen-market sale Common Stock | -594 | $5.65 | $3,356 | 102,326 | Jun 20, 2025 |
| Jun 13, 2025 | PBYI PUMA BIOTECHNOLOGY, INC. | SOpen-market sale Common Stock10b5-1 | -8,100 | $3.39 | $27k | 94,958 | Jun 17, 2025 |
| Jun 11, 2025 | PBYI PUMA BIOTECHNOLOGY, INC. | AGrant or award Common Stock | +27,000 | $0.00 | $0 | 103,058 | Jun 13, 2025 |
| May 22, 2025 | VSTM Verastem, Inc. | AGrant or award Common Stock | +8,333 | $0.00 | $0 | 102,920 | May 27, 2025 |
| May 22, 2025 | VSTM Verastem, Inc. | AGrant or award Stock Option (right to buy)derivative | +12,500 | $0.00 | $0 | 12,500 | May 27, 2025 |
| Dec 16, 2024 | VSTM Verastem, Inc. | SOpen-market sale Common Stock | -595 | $4.54 | $2,701 | 95,514 | Dec 20, 2024 |
| Dec 19, 2024 | VSTM Verastem, Inc. | SOpen-market sale Common Stock | -334 | $4.37 | $1,460 | 95,180 | Dec 20, 2024 |
Questions about Brian M Stuglik
Answered from the filings on this page, as of the latest one.
Is Brian M Stuglik buying or selling?
In the last 12 months Brian M Stuglik reported 0 open-market buys worth $0 and 1 open-market sell worth $5,411 on SEC Form 4; the latest was sold $5,411 of VSTM on Dec 16, 2025. Grants, option exercises and tax withholding are not counted.
How did Brian M Stuglik's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Brian M Stuglik has 0.
Where does Brian M Stuglik file Form 4?
Brian M Stuglik has filed Form 4 at VSTM (Verastem, Inc.); PBYI (PUMA BIOTECHNOLOGY, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.