Armata Pharmaceuticals, Inc., a clinical-stage biotechnology company, focuses on the development of targeted bacteriophage therapeutics for antibiotic-resistant infections worldwide. It develops its products using its proprietary bacteriophage-based technology. The company's product candidates include AP-SA02 for the treatment of Staphylococcus aureus bacteremia; AP-PA02 for Pseudomonas aeruginosa; and AP-PA03 for the treatment of pneumonia. It has a partnership agreement with Merck & Co. for developing synthetic bacteriophage candidates to target undisclosed infectious disease agents. The company is headquartered in Marina del Rey, California.