Spero Therapeutics secures $105M royalty-backed financing deal

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Spero Therapeutics Announces $105 Million Non-Recourse Non-Dilutive Financing Backed by a Portion of Utebzi Milestones & Royalties

July 14, 2026 6:02 AM EDT

Financing supports Phase 2 development of SP001, Speros first immunology drug candidate, in-licensed from Innovent Biologics Transaction unlocks immediate value from future Utebzi (tebipenem pivoxil) milestones and royalties, and positions Spero to participate in potential long-term commercial upside Spero updates its cash runway guidance into the second half of 2029

CAMBRIDGE, Mass., July 14, 2026 (GLOBE NEWSWIRE) --  Spero Therapeutics, Inc. (Nasdaq: SPRO), a... More