Organization and Description of the Business

3 Months Ended

Mar. 31, 2026

Organization and Description of the Business

Organization and Description of the Business

1. Organization and Description of the Business

Armata Pharmaceuticals, Inc. (“Armata”) together with its subsidiaries (the “Company”), is a late clinical-stage biotechnology company focused on the development of high-purity and potency, pathogen-specific bacteriophage therapeutics for the treatment of antibiotic-resistant and difficult-to-treat bacterial infections using its proprietary bacteriophage-based technology.

Armata’s common stock, par value $0.01 per share (the “Common Stock”) is traded on the New York Stock Exchange (the “NYSE”) American exchange under the ticker symbol “ARMP.”