Form 4: Bolt Biotherapeutics COO Sells Shares
Insider Transaction (Form 4)
Grant Yonehiro, Chief Operating Officer of Bolt Biotherapeutics, Inc., sold 13,176 shares of common stock on September 16, 2026.
Summary
- Open-market sale: disposed of 1,417 Common Stock at $3.77 ($5,348) on September 16, 2026; holds 29,028 after (Direct).
- Open-market sale: disposed of 4,909 Common Stock at $3.32 ($16,290) on September 17, 2026; holds 24,119 after (Direct).
- Open-market sale: disposed of 6,850 Common Stock at $3.24 ($22,169) on September 18, 2026; holds 17,269 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $43,807 of stock on the open market.
Insider Transactions
Grant Yonehiro — Officer (Chief Operating Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Open-market sale | Common Stock | 1,417 | $4 | $5.3K | 29,028 |
| 2026-09-17 | Open-market sale | Common Stock | 4,909 | $3 | $16.3K | 24,119 |
| 2026-09-18 | Open-market sale | Common Stock | 6,850 | $3 | $22.2K | 17,269 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Open-market sale (1,417 shares) |
| 2026-09-17 | Open-market sale (4,909 shares) |
| 2026-09-18 | Open-market sale (6,850 shares) |
Keywords
insider transaction, Form 4, BOLT, Bolt Biotherapeutics, Inc., bearish, Grant Yonehiro
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