Brian C Stephenson bought $406k of FTH
Chief Financial Officer at Sensei Biotherapeutics, Inc.. 17,413 shares at an average of $23.31, traded Jun 22, 2026, filed Jun 24, 2026.
Score components
- +22RoleCFO
- +16Trade size$406k at market
- +8Relative to holdingsFirst purchase: no shares before this trade
- +8Price context34% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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.
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 0001780030-26-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 22, 2026 | POpen-market purchase Common Stockindirect: See footnote | +1,797 | $20.23 | $36k | 1,797 | Jun 24, 2026 |
| Jun 22, 2026 | POpen-market purchase Common Stockindirect: See footnote | +1,118 | $20.82 | $23k | 2,915 | Jun 24, 2026 |
| Jun 22, 2026 | POpen-market purchase Common Stockindirect: See footnote | +1,583 | $22.40 | $35k | 4,498 | Jun 24, 2026 |
| Jun 22, 2026 | POpen-market purchase Common Stockindirect: See footnote | +3,329 | $23.28 | $77k | 7,827 | Jun 24, 2026 |
| Jun 22, 2026 | POpen-market purchase Common Stockindirect: See footnote | +356 | $23.95 | $8,526 | 8,183 | Jun 24, 2026 |
| Jun 23, 2026 | POpen-market purchase Common Stockindirect: See footnote | +6,836 | $24.12 | $165k | 15,019 | Jun 24, 2026 |
| Jun 23, 2026 | POpen-market purchase Common Stockindirect: See footnote | +1,969 | $24.84 | $49k | 16,988 | Jun 24, 2026 |
| Jun 23, 2026 | POpen-market purchase Common Stockindirect: See footnote | +425 | $25.91 | $11k | 17,413 | Jun 24, 2026 |
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% | |
| 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% | |
| 23Weak | FTHbuy Sensei Biotherapeutics, Inc. | Millennium Management LLC owner | $141k 4,215 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.