Maple Rock Capital Partners Inc. - 28 Aug 2025 SCHEDULE 13G Report for Algoma Steel Group Inc. Common Shares, no par value (ASTL)

Filing Manager
Maple Rock Capital Partners Inc.
Reporting Manager
Maple Rock Capital Partners Inc.
Security
Algoma Steel Group Inc. Common Shares, no par value
Symbol
ASTL
Shares outstanding
105,361,798 shares
Disclosed Ownership
10,430,818 shares
Ownership
9.9%
Form type
SCHEDULE 13G
Filing time
28 Aug 2025, 18:57:37 UTC
Date of event
28 Aug 2025
Previous filing
14 Aug 2025
Next filing
07 Nov 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Maple Rock Capital Partners Inc. 9.9% 10,430,818 10,430,818 0 /s/ Stephen D. Lane Stephen D. Lane, Chief Financial Officer
Xavier Majic 9.9% 10,430,818 10,430,818 0 /s/ Xavier Majic Xavier Majic