Bolt Biotherapeutics, Inc (BOLT) insider trading
Every open-market stock purchase and sale by Bolt Biotherapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- William P. Quinn (CEO) and 1 other bought $4.4K in the last 90 days, growing their stake 28%.
- William P. Quinn (CEO) and 2 others sold $128K in the last 90 days.
Last 12 months: insiders bought $5.6K (4 buys) and sold $128K (3 sales). Last close $4.14 on Oct 21, 2026.
Recent BOLT insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 18, 2026 | William P. Quinn (CEO) | Sold | $29.6K |
| Sep 18, 2026 | Grant Yonehiro (COO) | Sold | $22.2K |
| Sep 18, 2026 | Sarah Nemec (VP) | Sold | $13.2K |
| Sep 17, 2026 | William P. Quinn (CEO) | Sold | $21.7K |
| Sep 17, 2026 | Grant Yonehiro (COO) | Sold | $16.3K |
| Sep 17, 2026 | Sarah Nemec (VP) | Sold | $9.7K |
| Sep 16, 2026 | William P. Quinn (CEO) | Sold | $7.1K |
| Sep 16, 2026 | Grant Yonehiro (COO) | Sold | $5.3K |
| Sep 16, 2026 | Sarah Nemec (VP) | Sold | $3.2K |
| Jun 10, 2026 | Laura Berner (Insider) | Bought (not open market) | — |
| Jun 10, 2026 | Nicole Onetto (Insider) | Bought (not open market) | — |
| Jun 10, 2026 | Brian O'Callaghan (Insider) | Bought (not open market) | — |
| Jun 10, 2026 | Jakob Dupont (Insider) | Bought (not open market) | — |
| Jun 10, 2026 | Kathleen Laporte (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | William P. Quinn (CEO) | Bought | $2.5K |
| Jun 5, 2026 | Sarah Nemec (VP) | Bought | $2K |
| Jan 28, 2026 | Sarah Nemec (VP) | Bought (not open market) | — |
| Jan 28, 2026 | Grant Yonehiro (COO) | Bought (not open market) | — |
| Jan 28, 2026 | William P. Quinn (CEO) | Bought (not open market) | — |
| Dec 12, 2025 | William P. Quinn (CEO) | Sold (not open market) | $2M |
| Dec 12, 2025 | Grant Yonehiro (COO) | Sold (not open market) | $2M |
| Dec 12, 2025 | William P. Quinn (CEO) | Sold (not open market) | $647K |
| Dec 12, 2025 | Grant Yonehiro (COO) | Sold (not open market) | $585K |
| Dec 12, 2025 | William P. Quinn (CEO) | Sold (not open market) | $426K |
| Dec 12, 2025 | William P. Quinn (CEO) | Sold (not open market) | $397K |
Who's trading BOLT
- William P. Quinn, CEO: bought $3K (2 buys), sold $58.4K (3 sales), last Sep 18, 2026
- Grant Yonehiro, COO: sold $43.8K (3 sales), last Sep 18, 2026
- Sarah Nemec, VP: bought $2.5K (2 buys), sold $26.1K (3 sales), last Sep 18, 2026
- Brian O'Callaghan, Insider: other filings, last Jun 10, 2026
- Jakob Dupont, Insider: other filings, last Jun 10, 2026
- Kathleen Laporte, Insider: other filings, last Jun 10, 2026
- Laura Berner, Insider: other filings, last Jun 10, 2026
- Nicole Onetto, Insider: other filings, last Jun 10, 2026
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