GSK plc

13F Holdings History for Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO)

Symbol: SPRO on Nasdaq
Investment type: Equity / Common Stock, par value $0.001 per share
Latest Disclosed Ownership: 9.19M shares
Security Ownership: 16.4%

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

2025-03-28 - GSK PLC has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 9.19M shares of Spero Therapeutics, Inc. Common Stock, par value $0.001 per share (SPRO). This represents 16.4% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
GSK PLC	16.4%		$6.62M	9.19M			$0.72	13D/A	3/27/2025	28 Mar 2025 16:30:58