Form 4: Tectonic Therapeutic Executive Sells Shares
Insider Transaction (Form 4)
Peter Mcnamara, Chief Scientific Officer of Tectonic Therapeutic, Inc., sold 536 shares of common stock on September 25, 2026 for $23.04 per share.
Summary
- Tax/exercise-price withholding: disposed of 444 Common Stock at $23.67 ($10,509) on September 25, 2026; holds 54,841 after (Direct).
- Open-market sale: disposed of 536 Common Stock at $23.04 ($12,349) on September 30, 2026; holds 54,305 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $12,349 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Peter Mcnamara — Officer (Chief Scientific Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-25 | Tax/exercise-price withholding | Common Stock | 444 | $24 | $10.5K | 54,841 |
| 2026-09-30 | Open-market sale | Common Stock | 536 | $23 | $12.3K | 54,305 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-25 | Tax/exercise-price withholding (444 shares) |
| 2026-09-30 | Open-market sale (536 shares) |
Keywords
insider transaction, Form 4, TECX, Tectonic Therapeutic, Inc., bearish, Peter Mcnamara
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