GSK plc - 27 Mar 2025 SCHEDULE 13D/A Report for SPERO THERAPEUTICS, INC. Common Stock, Par Value $0.001 (SPRO)

Filing Manager: GSK plc
Reporting Manager: GSK PLC
Security: SPERO THERAPEUTICS, INC. Common Stock, Par Value $0.001
Symbol: SPRO
Shares outstanding: 56,040,280 shares
Disclosed Ownership: 9,190,606 shares
Ownership: 16.4%
Form type: SCHEDULE 13D/A
Filing time: 28 Mar 2025, 16:30:58 UTC
Date of event: 27 Mar 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
GSK PLC	16.4%	9,190,606	9,190,606	0	/s/ Victoria A. Whyte	Victoria A. Whyte / Authorized Signatory	0001131399