Anson Funds Management LP - 30 Jun 2025 SCHEDULE 13G/A Report for SPERO THERAPEUTICS, INC. Common Stock, par value $0.001 per share (SPRO)

Filing Manager
Anson Funds Management LP
Reporting Manager
Anson Funds Management LP
Security
SPERO THERAPEUTICS, INC. Common Stock, par value $0.001 per share
Symbol
SPRO
Shares outstanding
55,705,828 shares
Disclosed Ownership
1,615,469 shares
Ownership
2.9%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 21:48:21 UTC
Date of event
30 Jun 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Anson Funds Management LP 2.9% 1,615,469 0 1,615,469 /s/ Tony Moore Tony Moore, Manager
Anson Management GP LLC 2.9% 1,615,469 0 1,615,469 /s/ Tony Moore Tony Moore, Manager
Tony Moore 2.9% 1,615,469 0 1,615,469 /s/ Tony Moore Tony Moore, Manager
Anson Advisors Inc. 2.9% 1,615,469 0 1,615,469 /s/ Amin Nathoo Amin Nathoo, Director
Amin Nathoo 2.9% 1,615,469 0 1,615,469 /s/ Amin Nathoo Amin Nathoo, Director
Moez Kassam 2.9% 1,615,469 0 1,615,469 /s/ Moez Kassam Moez Kassam, Director