Organization and Description of the Business	12 Months Ended
Dec. 31, 2022
Organization and Description of the Business
Organization and Description of the Business	1. Organization and Description of the Business Armata Pharmaceuticals, Inc. (“Armata”, and together with its subsidiaries, is referred to herein as, the “Company”) is a clinical-stage biotechnology company focused on the development of precisely targeted bacteriophage therapeutics for the treatment of antibiotic-resistant and difficult-to-treat bacterial infections using its proprietary bacteriophage-based technology. On May 9, 2019, the Company’s predecessor, C3J Therapeutics, Inc. (“C3J”) completed a reverse merger with AmpliPhi Biosciences Corporation, a bacteriophage development stage company (“AmpliPhi”), where Ceres Merger Sub, Inc., a wholly-owned subsidiary of AmpliPhi, merged with and into C3J (the “Merger”). Immediately prior to the Merger, AmpliPhi changed its name to Armata Pharmaceuticals, Inc. Armata’s common stock is traded on the NYSE American exchange under the ticker symbol “ARMP”.

Organization and Description of the Business

12 Months Ended

Dec. 31, 2022

Organization and Description of the Business

Organization and Description of the Business

1. Organization and Description of the Business

Armata Pharmaceuticals, Inc. (“Armata”, and together with its subsidiaries, is referred to herein as, the “Company”) is a clinical-stage biotechnology company focused on the development of precisely targeted bacteriophage therapeutics for the treatment of antibiotic-resistant and difficult-to-treat bacterial infections using its proprietary bacteriophage-based technology. On May 9, 2019, the Company’s predecessor, C3J Therapeutics, Inc. (“C3J”) completed a reverse merger with AmpliPhi Biosciences Corporation, a bacteriophage development stage company (“AmpliPhi”), where Ceres Merger Sub, Inc., a wholly-owned subsidiary of AmpliPhi, merged with and into C3J (the “Merger”). Immediately prior to the Merger, AmpliPhi changed its name to Armata Pharmaceuticals, Inc. Armata’s common stock is traded on the NYSE American exchange under the ticker symbol “ARMP”.