Company filings profile · CIK 0001582554
Matinas BioPharma Holdings, Inc. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Matinas BioPharma Holdings, Inc. (MTNB): 17 filings in the last 90 days vs 5 in the prior 90 (filing-velocity rising ↑ · 3.4×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 29, 2026. Source-linked, daily-refreshed.
Material 8-K events — Matinas BioPharma Holdings, Inc.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 28, 2026 | Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
| Sep 16, 2026 | Other Events | ↗ |
| Sep 4, 2026 | Delisting / Listing-Rule Failure; Other Events; Financial Statements and Exhibits | ↗ |
| Jul 24, 2026 | Termination of a Material Agreement | ↗ |
| Jul 13, 2026 | Entry into a Material Agreement; Unregistered Sale of Securities; Item 3.03; Change in Control; Departure/Election of Directors or Officers; Amendments to Bylaws/Charter; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Jun 26, 2026 | Delisting / Listing-Rule Failure; Other Events; Financial Statements and Exhibits | ↗ |
| Apr 3, 2026 | Delisting / Listing-Rule Failure; Financial Statements and Exhibits | ↗ |
| Jan 23, 2026 | Departure/Election of Directors or Officers | ↗ |
| Dec 12, 2025 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Nov 21, 2025 | Departure/Election of Directors or Officers | ↗ |
| Aug 18, 2025 | Entry into a Material Agreement; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Aug 6, 2025 | Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
| Jun 23, 2025 | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
Watch Matinas BioPharma Holdings, Inc. automatically
Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 28, 2026 | 8-K | Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
| Sep 16, 2026 | 8-K | Other Events | ↗ |
| Sep 4, 2026 | 8-K | Delisting / Listing-Rule Failure; Other Events; Financial Statements and Exhibits | ↗ |
| Aug 25, 2026 | 425 | 425 | ↗ |
| Aug 13, 2026 | 10-Q | 10-Q | ↗ |
| Aug 13, 2026 | SCHEDULE 13D/A | ↗ | |
| Aug 13, 2026 | 4 | OWNERSHIP DOCUMENT | ↗ |
| Aug 13, 2026 | 4 | OWNERSHIP DOCUMENT | ↗ |
| Aug 4, 2026 | 425 | 425 | ↗ |
| Jul 30, 2026 | 425 | 425 | ↗ |
| Jul 29, 2026 | 425 | 425 | ↗ |
| Jul 24, 2026 | 8-K | Termination of a Material Agreement | ↗ |
| Jul 21, 2026 | 425 | 425 | ↗ |
| Jul 16, 2026 | 425 | 425 | ↗ |
| Jul 14, 2026 | SCHEDULE 13G | ↗ | |
| Jul 13, 2026 | 425 | 425 | ↗ |
| Jul 13, 2026 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Item 3.03; Change in Control; Departure/Election of Directors or Officers; Amendments to Bylaws/Charter; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Jun 26, 2026 | 8-K | Delisting / Listing-Rule Failure; Other Events; Financial Statements and Exhibits | ↗ |
| Jun 22, 2026 | 424B7 | 424B7 | ↗ |
| Jun 16, 2026 | S-3 | S-3 | ↗ |
| May 8, 2026 | 10-Q | 10-Q | ↗ |
| Apr 3, 2026 | 8-K | Delisting / Listing-Rule Failure; Financial Statements and Exhibits | ↗ |
| Mar 31, 2026 | 10-K | 10-K | ↗ |
| Jan 23, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Dec 12, 2025 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Nov 21, 2025 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Nov 14, 2025 | SCHEDULE 13G/A | ↗ | |
| Nov 10, 2025 | 10-Q | 10-Q | ↗ |
| Sep 25, 2025 | SCHEDULE 13D/A | ↗ | |
| Aug 19, 2025 | SCHEDULE 13G | ↗ | |
| Aug 18, 2025 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Aug 14, 2025 | 10-Q | 10-Q | ↗ |
| Aug 14, 2025 | SCHEDULE 13G/A | ↗ | |
| Aug 6, 2025 | 8-K | Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
| Jun 23, 2025 | S-8 | S-8 | ↗ |
| Jun 23, 2025 | 8-K | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| May 15, 2025 | 10-Q | 10-Q | ↗ |
| May 12, 2025 | DEF 14A | DEF 14A | ↗ |
| May 2, 2025 | PRE 14A | PRE 14A | ↗ |
| May 2, 2025 | 4 | ↗ |