Spero Therapeutics Inc (SPRO) — Research Summary as of August 28, 2026

Company Overview

Spero Therapeutics is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, founded in 2013, focused on developing novel treatments for rare diseases and diseases with high unmet need [4][10]. The company has historically centered its pipeline around multi-drug resistant (MDR) bacterial infections and has more recently pivoted toward an immunology pipeline [1][8].

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Key Recent Catalysts (Last ~1–3 Months)