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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)
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Algoma Steel Group Inc. (Name of Issuer) |
Common Shares, without par value (Title of Class of Securities) |
015658107 (CUSIP Number) |
Michael P. McNamara Zekelman Industries, Inc., 227 West Monroe Street, Suite 2600 Chicago, IL, 60606 (312) 275-1600 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
09/10/2025 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
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| CUSIP No. | 015658107 |
| 1 |
Name of reporting person
Zekelman Industries, Inc. | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
3,229,998.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
3.08 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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| CUSIP No. | 015658107 |
| 1 |
Name of reporting person
Atlas Tube Canada ULC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
ALBERTA, CANADA
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
3,229,998.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
3.08 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Shares, without par value | |
| (b) | Name of Issuer:
Algoma Steel Group Inc. | |
| (c) | Address of Issuer's Principal Executive Offices:
105 WEST STREET, SAULT STE., MARIE, Ontario,
CANADA (FEDERAL LEVEL)
, P6A 7B4. | |
Item 1 Comment:
This Amendment No. 1 ("Amendment") amends and supplements the Schedule 13D initially filed by the Reporting Persons on July 31, 2024 (the "Original Schedule 13D", and as amended by this Amendment, the "Schedule 13D"). Except as specifically modified hereby, the Original Schedule 13D remains unchanged. Capitalized terms but not otherwise defined herein shall have the meanings ascribed to them in the Original Schedule 13D.
As a result of the transactions described herein, this Amendment represents the final amendment to the Schedule 13D and constitutes an "exit filing" for each of the Reporting Persons. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | Item 5(a) is hereby amended and supplemented as follows:
The information required by this Item 5(a) is set forth in Rows (11) and (13) of the cover page (including the accompanying comments thereto) for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. | |
| (b) | Item 5(b) is hereby amended and supplemented as follows:
The information required by this Item 5(a) is set forth in Rows (7) through (10) of the cover page (including the accompanying comments thereto) for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. | |
| (c) | Item 5(c) is hereby amended and supplemented as follows:
The transactions in securities of the Issuer by the Reporting Persons during the past sixty days are set forth in Schedule B and are incorporated herein by reference. Each such transaction was effected directly by Atlas Tube. | |
| (e) | As a result of the transactions described herein, on September 10, 2025, each of the Reporting Persons ceased to be beneficial owners of more than five percent (5%) of the Issuer's Common Shares. | |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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