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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 3, 2026 | Nov 3, 2026 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Sep 28, 2026 | Sep 25, 2026 |
| 8-K |
Current report
Other events
|
Sep 16, 2026 | Sep 16, 2026 |
| 8-K |
Current report
Listing notice, Other events
|
Sep 4, 2026 | Aug 31, 2026 |
| 425 | Filing | Aug 25, 2026 | — |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 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 |
| 425 | Filing | Aug 4, 2026 | — |
| 425 | Filing | Jul 30, 2026 | — |
| 425 | Filing | Jul 29, 2026 | — |
| 8-K |
Current report
Agreement ended
|
Jul 24, 2026 | Jul 23, 2026 |
| 425 | Filing | Jul 21, 2026 | — |
| 425 | Filing | Jul 16, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 14, 2026 | — |
| 425 | Filing | Jul 13, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Change in control, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Jul 13, 2026 | Jul 10, 2026 |
| 8-K |
Current report
Listing notice, Other events
|
Jun 26, 2026 | Jun 24, 2026 |
| 424B7 | Filing | Jun 22, 2026 | — |
| S-3 | Shelf registration | Jun 16, 2026 | — |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Listing notice
|
Apr 3, 2026 | Apr 2, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 23, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 12, 2025 | Dec 12, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2025 | Nov 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 25, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 19, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 18, 2025 | Aug 15, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 6, 2025 | Aug 6, 2025 |
| S-8 | Employee stock plan registration | Jun 23, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 23, 2025 | Jun 23, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| DEF 14A | Proxy statement | May 12, 2025 | May 12, 2025 |
| PRE 14A | Preliminary proxy statement | May 2, 2025 | May 2, 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 |
| 8-K |
Current report
Change to shareholder rights, Officer or director change, Other events
|
May 2, 2025 | Apr 30, 2025 |
| EFFECT | Filing | Apr 29, 2025 | — |
| ARS | Annual report to shareholders | Apr 29, 2025 | Dec 31, 2024 |
| 424B3 | Prospectus | Apr 29, 2025 | — |
| CORRESP | Letter to the SEC | Apr 28, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 28, 2025 | — |
| S-3 | Shelf registration | Apr 22, 2025 | — |
| 10-K | Annual report | Apr 15, 2025 | Dec 31, 2024 |
| 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 | — |
| 8-K |
Current report
Unregistered share sale, Other events
|
Apr 8, 2025 | Apr 8, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 4, 2025 | Apr 4, 2025 |
| NT 10-K | Filing | Mar 31, 2025 | Dec 31, 2024 |
| 3 | Initial insider ownership | Mar 17, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 17, 2025 | Mar 11, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 14, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 11, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 7, 2025 | Feb 13, 2025 |
| DEF 14A | Proxy statement | Mar 3, 2025 | Mar 3, 2025 |
| 3 | Initial insider ownership | Feb 28, 2025 | Feb 13, 2025 |
| 3 | Initial insider ownership | Feb 25, 2025 | Feb 13, 2025 |
| PRE 14A | Preliminary proxy statement | Feb 21, 2025 | Feb 21, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 21, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 21, 2025 | — |
| D | Filing | Feb 19, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 19, 2025 | — |
| 3 | Initial insider ownership | Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
|
Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 11, 2025 | Feb 5, 2025 |
| 3 | Initial insider ownership | Feb 7, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 7, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 24, 2025 | Jan 21, 2025 |
| 8-K |
Current report
Listing notice
|
Jan 10, 2025 | Jan 6, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 6, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Nov 27, 2024 | Nov 27, 2024 |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Exit or restructuring costs, Impairment, Officer or director change, Regulation FD disclosure, Other events
|
Oct 31, 2024 | Oct 31, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 25, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Oct 24, 2024 | Oct 23, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Sep 3, 2024 | Aug 30, 2024 |
| 8-K |
Current report
Other events
|
Aug 28, 2024 | Aug 27, 2024 |
| 8-K |
Current report
Other events
|
Aug 20, 2024 | Aug 20, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 14, 2024 | Aug 14, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 5, 2024 | Apr 2, 2024 |
| 424B5 | Prospectus supplement | Apr 4, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 28, 2024 | Mar 28, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2024 | Mar 27, 2024 |
| 10-K | Annual report | Mar 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 25, 2024 | Mar 25, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 22, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Other events
|
Mar 22, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 26, 2024 | Feb 26, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 20, 2024 | Feb 20, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 9, 2024 | Jan 9, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 27, 2023 | Dec 27, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 21, 2023 | Dec 21, 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 | Dec 15, 2023 | Dec 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 20, 2023 | Nov 20, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 9, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 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 |
| 8-K |
Current report
Shareholder vote results
|
Nov 2, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Listing notice, Other events
|
Sep 22, 2023 | Sep 21, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 20, 2023 | Sep 20, 2023 |
| DEF 14A | Proxy statement | Sep 19, 2023 | Sep 19, 2023 |
| PRE 14A | Preliminary proxy statement | Sep 8, 2023 | Sep 8, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 424B5 | Prospectus supplement | Jul 7, 2023 | — |
| EFFECT | Filing | Jun 20, 2023 | — |
| CORRESP | Letter to the SEC | Jun 16, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 16, 2023 | — |
| DEL AM | Filing | Jun 15, 2023 | — |
| S-3 | Shelf registration | Jun 9, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 10, 2023 | May 10, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 18, 2023 | Apr 18, 2023 |
| S-8 | Employee stock plan registration | Mar 31, 2023 | — |
| 8-K |
Current report
Results of operations
|
Mar 15, 2023 | Mar 15, 2023 |
| 10-K | Annual report | Mar 15, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 30, 2023 | Jan 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 12, 2023 | Jan 12, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 29, 2022 | Dec 29, 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 | 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 |
| 8-K |
Current report
Shareholder vote results
|
Nov 14, 2022 | Nov 14, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2022 | Nov 2, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 21, 2022 | Oct 21, 2022 |
| DEF 14A | Proxy statement | Sep 22, 2022 | Sep 22, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 13, 2022 | Sep 13, 2022 |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Aug 4, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2022 | May 12, 2022 |
| 10-Q | Quarterly report | May 12, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 13, 2022 | Apr 13, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 11, 2022 | Apr 11, 2022 |
| S-8 | Employee stock plan registration | Apr 1, 2022 | — |
| 10-K/A | Amended annual report | Mar 11, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 8, 2022 | Mar 8, 2022 |
| 10-K | Annual report | Mar 8, 2022 | Dec 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 25, 2022 | Jan 25, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 16, 2021 | Dec 16, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 6, 2021 | Dec 6, 2021 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2021 | Nov 8, 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 |
| 8-K |
Current report
Shareholder vote results
|
Nov 1, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Oct 1, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Sep 20, 2021 | Sep 17, 2021 |
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
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.