Sensei Biotherapeutics, Inc. (SNSE) is a publicly traded company in the Unknown sector. Across all available filings, 17 corporate insiders have executed 208 transactions totaling $15.3M, demonstrating a bullish sentiment with $1.9M in net insider flow. The most recent transaction on Dec 9, 2025 involved a transaction of 395 shares valued at $2.5K.
No significant insider buying has been recorded for SNSE in the recent period.
No significant insider selling has been recorded for SNSE in the recent period.
Based on recent SEC filings, insider sentiment for SNSE is bullish with an Insider Alignment Score of 56/100 and a net flow of $1.9M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Sensei Biotherapeutics, Inc. (SNSE) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 17 insiders are actively trading SNSE stock, having executed 208 transactions in the past 90 days. The most active insider is James Peyer (Executive), who has made 78 transactions totaling $6.5M.
Get notified when executives and directors at SNSE file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 9, 2025 | Peyer James | Executive | Option Exercise | 395 | $6.40 | $2.5K | |
| Dec 9, 2025 | Peyer James | Executive | Sale | 446 | $7.92 | $3.5K | |
| Dec 9, 2025 | Peyer James | Executive | Sale | 2,666 | $7.95 | $21.2K | |
| Dec 9, 2025 | Peyer James | Executive | Sale | 395 | $8.04 | $3.2K | |
| Dec 9, 2025 | Inc Cambrian Biopharma | Executive | Option Exercise | 395 | $6.40 | $2.5K | |
| Dec 9, 2025 | Inc Cambrian Biopharma | Executive | Sale | 2,666 | $7.95 | $21.2K | |
| Dec 9, 2025 | Inc Cambrian Biopharma | Executive | Sale | 395 | $8.04 | $3.2K | |
| Dec 9, 2025 | Inc Cambrian Biopharma | Executive | Sale | 446 | $7.92 | $3.5K | |
| Dec 9, 2025 | Inc Cambrian Biopharma | Executive | Sale | 3,105 | $8.59 | $26.7K | |
| Dec 8, 2025 | Peyer James | Executive | Sale | 3,105 | $8.59 | $26.7K | |
| Dec 5, 2025 | Peyer James | Executive | Sale | 1,745 | $12.29 | $21.4K | |
| Dec 5, 2025 | Peyer James | Executive | Sale | 42 | $13.16 | $553 | |
| Dec 5, 2025 | Peyer James | Executive | Sale | 14,508 | $11.40 | $165.4K | |
| Dec 5, 2025 | Inc Cambrian Biopharma | Executive | Sale | 1,745 | $12.29 | $21.4K | |
| Dec 5, 2025 | Inc Cambrian Biopharma | Executive | Sale | 42 | $13.16 | $553 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 133 | $8.6M | 44.3% |
Sale(S) | 22 | $6.7M | 34.6% |
Disposition(D) | 2 | $4.0M | 20.7% |
Payment(F) | 7 | $85.3K | 0.4% |
Exercise(M) | 2 | $5.1K | 0.0% |
Award(A) | 38 | $0 | 0.0% |
Conversion(C) | 4 | $0 | 0.0% |
Insider activity at Sensei Biotherapeutics, Inc. shows mixed signals across all time. While $8.6M in purchases indicates some executive confidence,$6.7M in sales balances the picture, resulting in a modest net flow of $1.9M.17 insiders have been active, with no strong directional conviction evident in the aggregate data. The most active insider, James Peyer, has transacted $6.5M during this period.