Bolt Biotherapeutics, Inc. SEC filings BOLT
Bolt Biotherapeutics, Inc. has 294 filings in SEC EDGAR's recent list, going back to May 7, 2015. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026 (material agreement, agreement ended, acquisition or sale of assets, unregistered share sale, officer or director change, bylaw or fiscal year change, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 27, 2026 | Oct 23, 2026 |
| 3 | Initial insider ownership | Oct 27, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 6, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 16, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2026 | Jun 11, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 12, 2026 | May 12, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Apr 27, 2026 |
| S-8 | Employee stock plan registration | Mar 12, 2026 | — |
| 10-K | Annual report | Mar 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 26, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Jan 28, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Jan 28, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Jan 28, 2026 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Exit or restructuring costs, Other events
|
Oct 2, 2025 | Oct 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | May 27, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | May 27, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | May 27, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | May 27, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | May 27, 2025 |
| 8-K |
Current report
Listing notice, Bylaw or fiscal year change
|
Jun 6, 2025 | Jun 6, 2025 |
| 8-K |
Current report
Other events
|
Jun 4, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 28, 2025 | May 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 25, 2025 | May 27, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 16, 2025 | Apr 15, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 16, 2025 | May 27, 2025 |
| DEF 14A | Proxy statement | Apr 15, 2025 | May 27, 2025 |
| S-8 | Employee stock plan registration | Mar 24, 2025 | — |
| 10-K | Annual report | Mar 24, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 24, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Listing notice
|
Jan 3, 2025 | Jan 2, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2024 | Dec 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Sep 6, 2024 | Sep 3, 2024 |
| 3 | Initial insider ownership | Sep 6, 2024 | Sep 3, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 4, 2024 | Aug 28, 2024 |
| 10-Q | Quarterly report | Aug 13, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2024 | Aug 13, 2024 |
| 4 | Insider transaction | Jul 24, 2024 | Jul 23, 2024 |
| 4 | Insider transaction | Jul 24, 2024 | Jul 23, 2024 |
| 4 | Insider transaction | Jul 24, 2024 | Jul 23, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 3, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 12, 2024 |
| DEFA14A | Additional proxy material | May 20, 2024 | — |
| 3 | Initial insider ownership | May 15, 2024 | May 15, 2024 |
| 10-Q | Quarterly report | May 14, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Acquisition or sale of assets, Exit or restructuring costs, Officer or director change
|
May 14, 2024 | May 13, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 12, 2024 |
| S-8 | Employee stock plan registration | Mar 21, 2024 | — |
| 10-K | Annual report | Mar 21, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 21, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 12, 2024 | — |
| 5 | Annual insider ownership | Feb 6, 2024 | Dec 31, 2023 |
| 5 | Annual insider ownership | Feb 6, 2024 | Dec 31, 2023 |
| 5 | Annual insider ownership | Feb 6, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 1, 2023 | Nov 29, 2023 |
| 4 | Insider transaction | Nov 22, 2023 | Nov 21, 2023 |
| 4 | Insider transaction | Nov 22, 2023 | Nov 21, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 10-Q | Quarterly report | Aug 7, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2023 | Aug 7, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2023 | Jun 12, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | Jun 12, 2023 |
| SC 13G | Ownership over 5% (passive) | Apr 20, 2023 | — |
| S-8 | Employee stock plan registration | Mar 29, 2023 | — |
| 10-K | Annual report | Mar 29, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 29, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 27, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| 5 | Annual insider ownership | Feb 7, 2023 | Dec 31, 2022 |
| 5 | Annual insider ownership | Feb 7, 2023 | Dec 31, 2022 |
| 5 | Annual insider ownership | Feb 7, 2023 | Dec 31, 2022 |
| 5 | Annual insider ownership | Feb 7, 2023 | Dec 31, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 4, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 28, 2022 | — |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 3 | Initial insider ownership | Dec 16, 2022 | Dec 14, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2022 | Dec 14, 2022 |
| 10-Q | Quarterly report | Nov 10, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2022 | Nov 10, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 30, 2022 | — |
| 10-Q | Quarterly report | Aug 10, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 4 | Insider transaction | Jul 15, 2022 | Jul 13, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 15, 2022 | — |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 10, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2022 | Jun 10, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | May 16, 2022 | — |
| 10-Q | Quarterly report | May 12, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 10, 2022 |
| EFFECT | Filing | Apr 7, 2022 | — |
| 424B5 | Prospectus supplement | Apr 7, 2022 | — |
| UPLOAD | Letter from the SEC | Apr 6, 2022 | — |
| CORRESP | Letter to the SEC | Apr 5, 2022 | — |
| S-3 | Shelf registration | Mar 30, 2022 | — |
| S-8 | Employee stock plan registration | Mar 30, 2022 | — |
| 10-K | Annual report | Mar 30, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2022 | Mar 30, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 4 | Insider transaction | Mar 28, 2022 | Mar 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 4, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Feb 23, 2022 | Feb 18, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- BOLT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Redwood City, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1641281
- Former names
- Bolt Therapeutics, Inc. (until May 7, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.