---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-024520"
form_type: "8-K"
ticker: "MTNB"
cik: "0001582554"
company_name: "Matinas BioPharma Holdings, Inc."
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T11:54:29.241065+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Matinas BioPharma exchanges 466,666 warrants for common stock; cancels $17.50 strike warrants

## Summary
- Entered into Warrant Exchange Agreements on Aug 15, 2025 with certain warrant holders.
- Issued 466,666 shares of common stock in exchange for an equal number of warrants with $17.50 exercise price.
- Warrants were originally issued on April 5, 2024; after exchange, all such warrants are cancelled.
- Exchange was exempt from registration under Section 3(a)(9); no cash consideration involved.
- Shares issued without restrictive legends and are freely tradable under federal securities laws.

## SEC filing metadata
- accession: 0001641172-25-024520
- form_type: 8-K
- ticker: MTNB
- cik: 0001582554
- company_name: Matinas BioPharma Holdings, Inc.
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1582554/000164117225024520/0001641172-25-024520-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1582554/000164117225024520/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-024520
- JSON: https://secwatch.observer/filing/0001641172-25-024520.json
- Plain text: https://secwatch.observer/filing/0001641172-25-024520.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.