Zekelman Industries, Inc. - Sep 10, 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
105M shares
Disclosed Ownership
3.23M shares
Ownership
3.08%
Form type
SCHEDULE 13D/A
Date filed
9/23/2025, 04:15 PM
Date of event
Sep 10, 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% 3.23M 0 3.23M /s/ Michael P. McNamara Michael P. McNamara, President 0001742916
Atlas Tube Canada ULC 3.08% 3.23M 0 3.23M /s/ Michael P. McNamara Michael P. McNamara, Vice President