20212020201920182017201620152014 February 25, 2021 Summary ToggleSpero Therapeutics to Present at Investor Conferences in March February 05, 2021 Summary ToggleSpero Therapeutics Provides Update on SPR720 Phase 2a Clinical Trial January 29, 2021 Summary ToggleSpero Therapeutics Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4) January 21, 2021 Summary ToggleSpero Therapeutics Announces Issuance of Allowance for a U.S. Patent Covering Lead Candidate Tebipenem HBr