Zekelman Industries, Inc. - 10 Sep 2025 SCHEDULE 13D/A Report for Algoma Steel Group Inc. Common Shares, without par value (ASTL)

Filing Manager
Zekelman Industries, Inc.
Reporting Manager
Zekelman Industries, Inc.
Security
Algoma Steel Group Inc. Common Shares, without par value
Symbol
ASTL
Shares outstanding
104,870,065 shares
Disclosed Ownership
3,229,998 shares
Ownership
3.08%
Form type
SCHEDULE 13D/A
Filing time
23 Sep 2025, 16:15:02 UTC
Date of event
10 Sep 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Zekelman Industries, Inc. 3.08% 3,229,998 0 3,229,998 /s/ Michael P. McNamara Michael P. McNamara, President 0001742916
Atlas Tube Canada ULC 3.08% 3,229,998 0 3,229,998 /s/ Michael P. McNamara Michael P. McNamara, Vice President