3 insiders reported 22 Form 4 transactions for Bolt Biotherapeutics, Inc. (BOLT) over the past 18 months (most recent 2026-09-21). Recent activity: Yonehiro Grant (Chief Operating Officer) Sell 1,417 shares, Quinn William P. (President, CEO and CFO) Buy 637 shares, Nemec Sarah (Senior VP, Finance and PAO) Buy 509 shares, Yonehiro Grant (Chief Operating Officer) Sell 4,909 shares, Quinn William P. (President, CEO and CFO) Sell 1,889 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-21 | Yonehiro Grant | Chief Operating Officer | Sell | 1,417 | $5,348 |
| 2026-09-21 | Quinn William P. | President, CEO and CFO | Buy | 637 | $2,469 |
| 2026-09-21 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 509 | $1,973 |
| 2026-09-21 | Yonehiro Grant | Chief Operating Officer | Sell | 4,909 | $16,290 |
| 2026-09-21 | Quinn William P. | President, CEO and CFO | Sell | 1,889 | $7,129 |
| 2026-09-21 | Nemec Sarah | Senior VP, Finance and PAO | Sell | 843 | $3,181 |
| 2026-09-21 | Yonehiro Grant | Chief Operating Officer | Sell | 6,850 | $22,169 |
| 2026-09-21 | Quinn William P. | President, CEO and CFO | Sell | 6,545 | $21,718 |
| 2026-09-21 | Nemec Sarah | Senior VP, Finance and PAO | Sell | 2,922 | $9,696 |
| 2026-09-21 | Quinn William P. | President, CEO and CFO | Sell | 9,132 | $29,555 |
| 2026-09-21 | Nemec Sarah | Senior VP, Finance and PAO | Sell | 4,077 | $13,195 |
| 2026-02-04 | Quinn William P. | President, CEO and CFO | Buy | 125 | $576 |
| 2026-02-04 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 125 | $576 |
| 2025-10-24 | Yonehiro Grant | Chief Operating Officer | Buy | 30,000 | $0 |
| 2025-10-24 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 125 | $686 |
| 2025-10-24 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 23,000 | $0 |
| 2025-10-24 | Quinn William P. | President, CEO and CFO | Buy | 125 | $686 |
| 2025-10-24 | Quinn William P. | President, CEO and CFO | Buy | 40,000 | $0 |
| 2025-05-05 | Quinn William P. | President, CEO and CFO | Buy | 2,500 | $1,250 |
| 2025-05-05 | Quinn William P. | President, CEO and CFO | Buy | 2,500 | $1,600 |
| 2025-05-05 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 2,500 | $1,250 |
| 2025-05-05 | Nemec Sarah | Senior VP, Finance and PAO | Buy | 2,500 | $1,600 |
Source: SEC Form 4 filings · as of 2026-09-21