James Peyer sold $55k of FTH
owner, other at Sensei Biotherapeutics, Inc.. 6,612 shares at an average of $8.25, traded Dec 8, 2025, filed Dec 10, 2025.
Score components
- +12Role10% owner
- +7Trade size$55k at market
- 0Share of holdings soldSold 4.1% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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 +35.5%, 3m +242.7%, 6m +33.1%.
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 0000897069-25-001793, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -3,105 | $8.59 | $27k | 158,254 | Dec 10, 2025 |
| Dec 9, 2025 | SOpen-market sale Common Stockindirect: See footnote | -2,666 | $7.95 | $21k | 155,588 | Dec 10, 2025 |
| Dec 9, 2025 | MOption exercise Common Stockindirect: See footnote | +395 | $6.40 | $2,528 | 155,983 | Dec 10, 2025 |
| Dec 9, 2025 | SOpen-market sale Common Stockindirect: See footnote | -395 | $8.04 | $3,176 | 155,588 | Dec 10, 2025 |
| Dec 9, 2025 | SOpen-market sale Common Stockindirect: See footnote | -446 | $7.92 | $3,532 | 155,142 | Dec 10, 2025 |
| Dec 9, 2025 | MOption exercise Stock Option (Right to Buy)derivative | -395 | $0.00 | $0 | 0 | Dec 10, 2025 |
Related signals
Other insiders at Sensei Biotherapeutics, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 64Notable | Sensei Biotherapeutics, Inc. | Brian C Stephenson Chief Financial Officer | $326k 13,634 shares | +41% | |
| 69Notable | Sensei Biotherapeutics, Inc. | Brian C Stephenson Chief Financial Officer | $401k 15,641 shares | +90% | |
| 62Notable | Sensei Biotherapeutics, Inc. | Brian C Stephenson Chief Financial Officer | $406k 17,413 shares | - | |
| 43Moderate | Sensei Biotherapeutics, Inc. | Anand Kiran Parikh President and CEO | $55k 2,806 shares | +0% | |
| 43Moderate | Sensei Biotherapeutics, Inc. | Cambrian BioPharma Inc owner | $501k 25,000 shares | -16% | |
| 43Moderate | Sensei Biotherapeutics, Inc. | James Peyer owner, other | $501k 25,000 shares | -16% | |
| 39Weak | FTHbuy Sensei Biotherapeutics, Inc. | Millennium Management LLC owner | $818k 30,585 shares | +23% | |
| 21Weak | FTHsell Sensei Biotherapeutics, Inc. | Millennium Management LLC owner | $89k 3,250 shares | -2% | |
| 31Weak | FTHbuy Sensei Biotherapeutics, Inc. | Millennium Management LLC owner | $382k 12,180 shares | +8% | |
| 20Weak | FTHsell Sensei Biotherapeutics, Inc. | Millennium Management LLC owner | $77k 2,741 shares | -2% |
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.