Recent Filings (4)

• Feb 9, 2026Form 4Spero Therapeutics, Inc.-18,652 sh
• Feb 5, 2026Form 4Spero Therapeutics, Inc.+158,414 sh
• Sep 3, 2025Form 4Spero Therapeutics, Inc.-1,695 sh
• Feb 5, 2025Form 4Spero Therapeutics, Inc.+209,602 sh