Schedule 13D ownership disclosure

Algoma Steel Group Inc

Common Shares, without par value · CUSIP: 015658107

Event date: 2025-09-10

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • Zekelman Industries, Inc.Reported CIK 0001742916

    Shares: 3,229,998 · Class: 3.08%

  • Atlas Tube Canada ULC

    Shares: 3,229,998 · Class: 3.08%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001193125-25-213334
Form type
SCHEDULE 13D/A
Filer
Algoma Steel Group Inc.
CIK
CIK 1860805
Filed
Sep 23, 2025
Reporting period
Sep 10, 2025
Description
Schedule 13D beneficial ownership

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