MTNB MATINAS BIOPHARMA HOLDINGS INC Capital Structure Changes 8-K Filing 2025 - Warrant Exchange Agreement On August 15, 2025, Matinas BioPharma Holdings, Inc. exchanged 466,666 warrants for the same number of shares, cancelling the warrants in the process.Get access to all SEC 8-K filings of the MATINAS BIOPHARMA HOLDINGS INC