Matinas BioPharma Holdings, Inc. SEC filings MTNB
Matinas BioPharma Holdings, Inc. has 570 filings in SEC EDGAR's recent list, going back to Jul 25, 2013. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 13, 2026 | — |
| 4 | Insider transaction | Aug 13, 2026 | Oct 16, 2025 |
| 4 | Insider transaction | Aug 13, 2026 | Jun 10, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 25, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 19, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| 3 | Initial insider ownership | Apr 10, 2025 | Feb 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 10, 2025 | — |
| 4/A | Form 4 a | Apr 10, 2025 | Apr 8, 2025 |
| 4/A | Form 4 a | Apr 10, 2025 | Apr 8, 2025 |
| 4/A | Form 4 a | Apr 10, 2025 | Apr 8, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 10, 2025 | — |
| 3 | Initial insider ownership | Mar 17, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 17, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 7, 2025 | Feb 13, 2025 |
| 3 | Initial insider ownership | Feb 28, 2025 | Feb 13, 2025 |
| 3 | Initial insider ownership | Feb 25, 2025 | Feb 13, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 21, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 21, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 19, 2025 | — |
| 3 | Initial insider ownership | Feb 13, 2025 | Feb 13, 2025 |
| 3 | Initial insider ownership | Feb 7, 2025 | Feb 5, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 6, 2025 | — |
| SC 13G | Ownership over 5% (passive) | Oct 25, 2024 | — |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Aug 4, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jan 3, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 3 | Initial insider ownership | Dec 15, 2021 | Dec 6, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Nov 2, 2021 | Nov 1, 2021 |
| 3 | Initial insider ownership | Nov 2, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Oct 1, 2021 | Sep 30, 2021 |
| 4 | Insider transaction | Sep 14, 2021 | Sep 3, 2021 |
| 4 | Insider transaction | Jul 9, 2021 | Jul 7, 2021 |
| 4 | Insider transaction | Jul 1, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 19, 2021 |
| 4 | Insider transaction | May 24, 2021 | Jan 13, 2021 |
| 4 | Insider transaction | Apr 5, 2021 | Mar 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 4, 2021 | Dec 31, 2020 |
| 4 | Insider transaction | Jan 4, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 3 | Initial insider ownership | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Nov 10, 2020 | Nov 2, 2020 |
| 4 | Insider transaction | Nov 10, 2020 | Nov 2, 2020 |
| 4 | Insider transaction | Nov 10, 2020 | Nov 2, 2020 |
| 4 | Insider transaction | Nov 10, 2020 | Nov 2, 2020 |
| 4 | Insider transaction | Nov 10, 2020 | Nov 2, 2020 |
| 4 | Insider transaction | Oct 6, 2020 | Sep 30, 2020 |
| 3 | Initial insider ownership | Sep 15, 2020 | Sep 14, 2020 |
| 4 | Insider transaction | Aug 24, 2020 | Aug 21, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 24, 2020 | Jun 23, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 19, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 5, 2020 | Jun 4, 2020 |
| 4 | Insider transaction | May 18, 2020 | May 14, 2020 |
| 4 | Insider transaction | May 15, 2020 | May 13, 2020 |
| 4 | Insider transaction | Apr 8, 2020 | Apr 3, 2020 |
| 4 | Insider transaction | Apr 2, 2020 | Mar 31, 2020 |
| 4 | Insider transaction | Mar 18, 2020 | Mar 17, 2020 |
| 4 | Insider transaction | Mar 18, 2020 | Mar 17, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Nov 26, 2019 | Nov 22, 2019 |
| 4 | Insider transaction | Nov 19, 2019 | Nov 15, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Nov 5, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Jul 26, 2016 |
| 4 | Insider transaction | Oct 2, 2019 | Sep 30, 2019 |
| 4 | Insider transaction | Oct 2, 2019 | Jul 26, 2016 |
| 4 | Insider transaction | Oct 2, 2019 | Sep 30, 2019 |
| 4 | Insider transaction | Aug 22, 2019 | Aug 20, 2019 |
| 4 | Insider transaction | Aug 21, 2019 | Aug 19, 2019 |
| 4 | Insider transaction | Aug 21, 2019 | Aug 19, 2019 |
| 4 | Insider transaction | Aug 21, 2019 | Aug 19, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 16, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jun 30, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jun 30, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jun 30, 2019 |
| 4 | Insider transaction | Jun 18, 2019 | Jun 14, 2019 |
| 4 | Insider transaction | Jun 13, 2019 | Jun 12, 2019 |
| 4 | Insider transaction | Jun 13, 2019 | Jun 12, 2019 |
| 4 | Insider transaction | Jun 11, 2019 | Jun 10, 2019 |
| 4 | Insider transaction | Jun 10, 2019 | Jun 7, 2019 |
| 4 | Insider transaction | Jun 3, 2019 | May 31, 2019 |
| 4 | Insider transaction | May 20, 2019 | May 16, 2019 |
| 4 | Insider transaction | May 20, 2019 | May 16, 2019 |
| 4 | Insider transaction | May 20, 2019 | May 16, 2019 |
| 4 | Insider transaction | Apr 3, 2019 | Mar 31, 2019 |
| 4 | Insider transaction | Apr 3, 2019 | Mar 31, 2019 |
| 4 | Insider transaction | Apr 3, 2019 | Mar 31, 2019 |
| 4/A | Filing | Apr 3, 2019 | Apr 3, 2017 |
| SC 13G | Ownership over 5% (passive) | Mar 26, 2019 | — |
| 4 | Insider transaction | Feb 27, 2019 | Feb 25, 2019 |
| 3 | Initial insider ownership | Feb 27, 2019 | Feb 25, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| 4 | Insider transaction | Feb 13, 2019 | Feb 11, 2019 |
| 4 | Insider transaction | Feb 13, 2019 | Feb 11, 2019 |
| 4 | Insider transaction | Feb 13, 2019 | Feb 11, 2019 |
| 4 | Insider transaction | Feb 13, 2019 | Feb 11, 2019 |
| 4 | Insider transaction | Feb 12, 2019 | Feb 8, 2019 |
| 4 | Insider transaction | Jan 4, 2019 | Jan 2, 2019 |
| 3 | Initial insider ownership | Jan 4, 2019 | Jan 2, 2019 |
| 4 | Insider transaction | Jan 4, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 4, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 4, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 4, 2019 | Dec 31, 2018 |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2018 | — |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Nov 5, 2018 | Nov 1, 2018 |
| 4 | Insider transaction | Oct 16, 2018 | Oct 15, 2018 |
| 3 | Initial insider ownership | Oct 16, 2018 | Oct 15, 2018 |
| 4 | Insider transaction | Oct 3, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 3, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 3, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 3, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Sep 6, 2018 | Sep 5, 2018 |
| 3 | Initial insider ownership | Sep 6, 2018 | Sep 5, 2018 |
| 4/A | Filing | Aug 13, 2018 | Jan 2, 2018 |
| 4 | Insider transaction | Jul 11, 2018 | Jun 29, 2018 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MTNB (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Bedminster, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1582554
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.