Recent News

• 03.27.2025 - Spero Therapeutics Announces Fourth Quarter and Full Year 2024 Operating Results and Provides a Business Update
• 02.25.2025 - UPDATE – Spero Therapeutics to Present at TD Cowen 45th Annual Health Care Conference
• 01.10.2025 - Spero Therapeutics Provides Business Update and Announces Interim Leadership Changes
• 11.14.2024 - Spero Therapeutics Announces Third Quarter 2024 Operating Results and Provides a Business Update
• 11.07.2024 - Spero Therapeutics to Report Third Quarter 2024 Financial Results and Provide Business Update on Thursday, November 14, 2024
• 11.07.2024 - Spero Therapeutics to Report Third Quarter 2024 Financial Results and Provide Business Update on Thursday, November 14, 2024
• 10.29.2024 - Spero Therapeutics Announces SPR720 Phase 2a Interim Results and Provides a Business Update

Recent Filings

• 02.28.2025 - 8-K Current report
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 01.10.2025 - 8-K Current report
• 01.10.2025 - EX-99.1 EX-99.1
• 11.14.2024 - EX-99.1 EX-99.1
• 11.14.2024 - 8-K Current report
• 11.14.2024 - SC 13G/A Statement of Beneficial Ownership by Certain Investors