Symbol
SPRO on Nasdaq
Investment type
Equity / Common Stock, par value $0.001 per share
Latest Disclosed Shares Owned
9,190,606 shares
Security Ownership %
16%

GSK PLC ownership in Spero Therapeutics, Inc. Common Stock, par value $0.001 per share (SPRO)

28 Mar 2025 - GSK PLC has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 9,190,606 shares of Spero Therapeutics, Inc. Common Stock, par value $0.001 per share (SPRO). This represents 16% ownership of the company. This is the first filing by GSK plc disclosing ownership of Spero Therapeutics, Inc. Common Stock, par value $0.001 per share (SPRO).