Armata Pharmaceuticals is a biotech company working on targeted bacteriophage therapies to fight antibiotic-resistant infections globally. Using their proprietary bacteriophage-based technology, they develop product candidates to treat various conditions, such as Staphylococcus aureus bacteremia, Pseudomonas aeruginosa, and pneumonia. Partnering with Merck & Co. to develop synthetic bacteriophage candidates for undisclosed infectious disease agents, the company is headquartered in Marina del Rey, California.