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.

Bolt Biotherapeutics, Inc. SEC filings
Form Description Filed Period
4 Insider transaction Oct 27, 2026 Oct 23, 2026
3 Initial insider ownership Oct 27, 2026 Oct 23, 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 —
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
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 —
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
SCHEDULE 13G/A Amended ownership over 5% (passive) 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
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 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
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
4 Insider transaction Sep 6, 2024 Sep 3, 2024
3 Initial insider ownership Sep 6, 2024 Sep 3, 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
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
3 Initial insider ownership May 15, 2024 May 15, 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
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
SC 13G Ownership over 5% (passive) Apr 20, 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
SC 13D/A Amended ownership over 5% (active) Sep 30, 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
SC 13G/A Amended ownership over 5% (passive) May 16, 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
4 Insider transaction Feb 23, 2022 Feb 18, 2022
4 Insider transaction Feb 23, 2022 Feb 18, 2022
4 Insider transaction Feb 23, 2022 Feb 18, 2022
4 Insider transaction Feb 23, 2022 Feb 18, 2022
4 Insider transaction Feb 23, 2022 Feb 18, 2022
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2022 —
4 Insider transaction Feb 1, 2022 Dec 22, 2021
4 Insider transaction Dec 16, 2021 Dec 14, 2021
3 Initial insider ownership Dec 16, 2021 Dec 14, 2021
4 Insider transaction Dec 9, 2021 Dec 8, 2021
SC 13G Ownership over 5% (passive) Nov 29, 2021 —
SC 13D/A Amended ownership over 5% (active) Nov 22, 2021 —
4 Insider transaction Nov 19, 2021 Nov 17, 2021
3 Initial insider ownership Nov 19, 2021 Nov 17, 2021
4 Insider transaction Nov 19, 2021 Nov 17, 2021
3 Initial insider ownership Nov 19, 2021 Nov 17, 2021
SC 13D/A Amended ownership over 5% (active) Aug 13, 2021 —
SC 13G Ownership over 5% (passive) Apr 7, 2021 —
SC 13G Ownership over 5% (passive) Feb 19, 2021 —
SC 13G Ownership over 5% (passive) Feb 18, 2021 —
SC 13D Ownership over 5% (active) Feb 17, 2021 —
SC 13D Ownership over 5% (active) Feb 16, 2021 —
4 Insider transaction Feb 11, 2021 Feb 9, 2021
SC 13D Ownership over 5% (active) Feb 11, 2021 —
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 9, 2021 Feb 9, 2021
4 Insider transaction Feb 8, 2021 Feb 4, 2021
4 Insider transaction Feb 8, 2021 Feb 4, 2021
4 Insider transaction Feb 8, 2021 Feb 4, 2021
4 Insider transaction Feb 8, 2021 Feb 4, 2021
4 Insider transaction Feb 8, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021
3 Initial insider ownership Feb 4, 2021 Feb 4, 2021

Showing 171 filings. 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.

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)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.