---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-032938"
form_type: "8-K"
ticker: "MTNB"
cik: "0001582554"
company_name: "Matinas BioPharma Holdings, Inc."
filed_at: "2026-07-13T12:05:22+00:00"
generated_at: "2026-07-13T12:10:15.265086+00:00"
event_type: "m_and_a"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Matinas BioPharma to combine with GH Power; MTNB holders get 9% of combined co; sells Nano to Azurity

## Summary
- Business Combination Agreement with GH Power: MTNB shareholders receive 0.1 Pubco share per MTNB share; GH Power holders get ~91% of combined entity.
- Stock Purchase Agreement: Matinas Nano sold to Azurity for up to $21.5M cash ($4M upfront, $17.5M milestones) plus mid-single-digit royalty on MAT2203.
- Series D PIPE closed: $575,000 gross proceeds from sale of convertible preferred stock and warrants; requires stockholder approval for conversion shares.
- Post-closing board: 5 directors (1 from MTNB, 4 from GH Power); CEO and CFO expected from GH Power; lock-up 180 days for insiders.
- Termination fees: $1M payable by MTNB to GH Power if MTNB terminates for superior offer; $1M payable by GH Power to MTNB if GH Power terminates.

## SEC filing metadata
- accession: 0001493152-26-032938
- form_type: 8-K
- ticker: MTNB
- cik: 0001582554
- company_name: Matinas BioPharma Holdings, Inc.
- filed_at: 2026-07-13T12:05:22+00:00
- event_type: m_and_a
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 3.02, 3.03, 5.01, 5.02, 5.03, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1582554/000149315226032938/0001493152-26-032938-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1582554/000149315226032938/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-032938
- JSON: https://secwatch.observer/filing/0001493152-26-032938.json
- Plain text: https://secwatch.observer/filing/0001493152-26-032938.txt

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