BOLT insider transaction filings
Bolt Biotherapeutics, Inc. — 46 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-21. Screen BOLT transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 3 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings by 2 insiders — 1,146 shares, $4,442 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 9 legs across 3 filings by 3 insiders — 38,584 shares, $128,281 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
- Largest priced transaction: sale of 9,132 shares @ $3.24 ($29,555) by Quinn William P., filed 2026-09-21.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Quinn William P. — President, CEO and CFO, Director | 1 | 1 leg · 637 sh · $2,469 | 3 legs · 17,566 sh · $58,402 | — |
| Yonehiro Grant — Chief Operating Officer | 1 | — | 3 legs · 13,176 sh · $43,807 | — |
| Nemec Sarah — Senior VP, Finance and PAO | 1 | 1 leg · 509 sh · $1,973 | 3 legs · 7,842 sh · $26,072 | — |
Recent Form 4 filings — Bolt Biotherapeutics, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-21 | 4 | Quinn William P. — President, CEO and CFO, Director | Purchase (P): 637 @ $3.88 · Sale (S): 1,889 @ $3.77 · Sale (S): 6,545 @ $3.32 · Sale (S): 9,132 @ $3.24 | EDGAR |
| 2026-09-21 | 4 | Nemec Sarah — Senior VP, Finance and PAO | Purchase (P): 509 @ $3.88 · Sale (S): 843 @ $3.77 · Sale (S): 2,922 @ $3.32 · Sale (S): 4,077 @ $3.24 | EDGAR |
| 2026-09-21 | 4 | Yonehiro Grant — Chief Operating Officer | Sale (S): 1,417 @ $3.77 · Sale (S): 4,909 @ $3.32 · Sale (S): 6,850 @ $3.24 | EDGAR |
| 2026-06-11 | 4 | Berner Laura — Director | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Dupont Jakob — Director | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | O'CALLAGHAN BRIAN — Director | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | ONETTO NICOLE — Director | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | LAPORTE KATHLEEN — Director | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2026-02-04 | 4 | Quinn William P. — President, CEO and CFO, Director | Purchase (P): 125 @ $4.61 · Grant/award (A): 20,000 (derivative) @ $0 | EDGAR |
| 2026-02-04 | 4 | Nemec Sarah — Senior VP, Finance and PAO | Purchase (P): 125 @ $4.61 · Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-02-04 | 4 | Yonehiro Grant — Chief Operating Officer | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2025-12-16 | 4 | Berner Laura — Director | Grant/award (A): 2,500 (derivative) · Disposition to issuer (D): 2,500 (derivative) · Grant/award (A): 613 (derivative) · Disposition to issuer (D): 613 (derivative) · Grant/award (A): 1,250 (derivative) · Disposition to issuer (D): 1,250 (derivative) · +4 more | EDGAR |
| 2025-12-16 | 4 | Nemec Sarah — Senior VP, Finance and PAO | Grant/award (A): 1,236 (derivative) · Disposition to issuer (D): 1,236 (derivative) · Grant/award (A): 375 (derivative) · Disposition to issuer (D): 375 (derivative) · Grant/award (A): 600 (derivative) · Disposition to issuer (D): 600 (derivative) · +12 more | EDGAR |
| 2025-12-16 | 4 | Quinn William P. — President, CEO and CFO, Director | Grant/award (A): 7,614 (derivative) · Disposition to issuer (D): 7,614 (derivative) · Grant/award (A): 3,927 (derivative) · Disposition to issuer (D): 3,927 (derivative) · Grant/award (A): 5,000 (derivative) · Disposition to issuer (D): 5,000 (derivative) · +10 more | EDGAR |
| 2025-12-16 | 4 | Dupont Jakob — Director | Grant/award (A): 2,500 (derivative) · Disposition to issuer (D): 2,500 (derivative) · Grant/award (A): 849 (derivative) · Disposition to issuer (D): 849 (derivative) · Grant/award (A): 1,000 (derivative) · Disposition to issuer (D): 1,000 (derivative) · +2 more | EDGAR |
| 2025-12-16 | 4 | Yonehiro Grant — Chief Operating Officer | Grant/award (A): 3,214 (derivative) · Disposition to issuer (D): 3,214 (derivative) · Grant/award (A): 660 (derivative) · Disposition to issuer (D): 660 (derivative) · Grant/award (A): 822 (derivative) · Disposition to issuer (D): 822 (derivative) · +18 more | EDGAR |
| 2025-12-16 | 4 | O'CALLAGHAN BRIAN — Director | Grant/award (A): 1,393 (derivative) · Disposition to issuer (D): 1,393 (derivative) · Grant/award (A): 1,810 (derivative) · Disposition to issuer (D): 1,810 (derivative) · Grant/award (A): 1,250 (derivative) · Disposition to issuer (D): 1,250 (derivative) · +6 more | EDGAR |
| 2025-12-16 | 4 | ONETTO NICOLE — Director | Grant/award (A): 1,393 (derivative) · Disposition to issuer (D): 1,393 (derivative) · Grant/award (A): 1,107 (derivative) · Disposition to issuer (D): 1,107 (derivative) · Grant/award (A): 611 (derivative) · Disposition to issuer (D): 611 (derivative) · +8 more | EDGAR |
| 2025-12-16 | 4 | LAPORTE KATHLEEN — Director | Grant/award (A): 1,392 (derivative) · Disposition to issuer (D): 1,392 (derivative) · Grant/award (A): 1,250 (derivative) · Disposition to issuer (D): 1,250 (derivative) · Grant/award (A): 1,250 (derivative) · Disposition to issuer (D): 1,250 (derivative) · +8 more | EDGAR |
| 2025-10-24 | 4 | Nemec Sarah — Senior VP, Finance and PAO | Purchase (P): 125 @ $5.49 · Grant/award (A): 23,000 @ $0 | EDGAR |
| 2025-10-24 | 4 | Quinn William P. — President, CEO and CFO, Director | Purchase (P): 125 @ $5.49 · Grant/award (A): 40,000 @ $0 | EDGAR |
| 2025-10-24 | 4 | Yonehiro Grant — Chief Operating Officer | Grant/award (A): 30,000 @ $0 | EDGAR |
| 2025-07-02 | 4 | Berner Laura — Director | Grant/award (A): 1,100 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Dupont Jakob — Director | Grant/award (A): 1,100 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | O'CALLAGHAN BRIAN — Director | Grant/award (A): 1,100 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | ONETTO NICOLE — Director | Grant/award (A): 1,100 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | LAPORTE KATHLEEN — Director | Grant/award (A): 1,100 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Nemec Sarah — Senior VP, Finance and PAO | Purchase (P): 2,500 @ $0.50 · Purchase (P): 2,500 @ $0.64 · Grant/award (A): 226,000 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Quinn William P. — President, CEO and CFO, Director | Purchase (P): 2,500 @ $0.50 · Purchase (P): 2,500 @ $0.64 · Grant/award (A): 700,000 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Dupont Jakob — Director | Grant/award (A): 20,000 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Yonehiro Grant — Chief Operating Officer | Grant/award (A): 350,000 (derivative) @ $0 | EDGAR |
| 2024-09-06 | 4 | Dupont Jakob — Director | Grant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 16,984 (derivative) @ $0 | EDGAR |
| 2024-07-24 | 4 | Quinn William P. — President, CEO and CFO, Director | Grant/award (A): 440,000 (derivative) @ $0 | EDGAR |
| 2024-07-24 | 4 | Nemec Sarah — VP, Finance and PAO | Grant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 90,000 (derivative) @ $0 | EDGAR |
| 2024-07-24 | 4 | Yonehiro Grant — Chief Operating Officer | Grant/award (A): 155,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | Lee Frank D. — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | Berner Laura — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | O'CALLAGHAN BRIAN — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | SHAH MAHENDRA — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | HEALY JAMES — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | ONETTO NICOLE — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | LAPORTE KATHLEEN — Director | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | Perez Edith A. — Chief Medical Officer | Grant/award (A): 235,000 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | Quinn William P. — Chief Financial Officer | Grant/award (A): 235,000 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | Schatzman Randall C — Chief Executive Officer, Director | Grant/award (A): 654,000 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | Yonehiro Grant — Chief Business Officer | Grant/award (A): 235,000 (derivative) @ $0 | EDGAR |
Recent 8-K events — Bolt Biotherapeutics, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-11 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-02 | 8-K | ? 8.01 — Other Events | EDGAR |
| 2025-08-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-06-06 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | EDGAR |
| 2025-06-04 | 8-K | 8.01 — Other Events | EDGAR |
| 2025-05-28 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
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