Algoma Steel Group Inc. (ASTLW) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-11-20
2:57 pm
Purchase
2025-11-1813GAlgoma Steel Group Inc.
ASTL
MMCAP International Inc. SPC10,532,553
10.000%
2,453,725increase
(+30.37%)
Filing
History
2025-11-14
4:40 pm
Purchase
2025-09-3013GAlgoma Steel Group Inc.
ASTL
MMCAP International Inc. SPC8,078,828
7.700%
860,610increase
(+11.92%)
Filing
History
2025-11-12
11:59 am
Sale
2025-09-3013GAlgoma Steel Group Inc.
ASTL
DONALD SMITH & CO., INC.5,937,020
5.700%
-103,148decrease
(-1.71%)
Filing
History
2025-11-07
4:12 pm
Purchase
2025-10-3113GAlgoma Steel Group Inc.
ASTL
Maple Rock Capital Partners Inc.13,993,930
13.300%
3,563,112increase
(+34.16%)
Filing
History
2025-09-23
4:15 pm
Sale
2025-09-1013DAlgoma Steel Group Inc.
ASTL
Zekelman Industries, Inc.3,229,998
3.080%
-1,999,990decrease
(-38.24%)
Filing
History
2025-08-28
6:57 pm
Unchanged
2025-08-2813GAlgoma Steel Group Inc.
ASTL
Maple Rock Capital Partners Inc.10,430,818
9.900%
0
(Unchanged)
Filing
History
2025-08-14
8:48 pm
Purchase
2025-08-1213DAlgoma Steel Group Inc.
ASTL
Maple Rock Capital Partners Inc.10,430,818
9.900%
2,878,201increase
(+38.11%)
Filing
History
2025-08-14
4:32 pm
Purchase
2025-06-3013GAlgoma Steel Group Inc.
ASTL
MMCAP International Inc. SPC7,218,218
6.900%
576,801increase
(+8.68%)
Filing
History
2025-08-14
4:12 pm
Purchase
2025-06-3013GAlgoma Steel Group Inc.
ASTL
Stoney Lonesome HF LP5,864,050
5.400%
405,501increase
(+7.43%)
Filing
History
2025-08-13
2:57 pm
Sale
2025-06-3013GAlgoma Steel Group Inc.
ASTL
DONALD SMITH & CO., INC.6,040,168
5.800%
-2,047,952decrease
(-25.32%)
Filing
History
2025-05-15
4:47 pm
Sale
2025-03-3113GAlgoma Steel Group Inc.
ASTL
MMCAP International Inc. SPC6,641,417
6.300%
-355,911decrease
(-5.09%)
Filing
History
2025-05-13
2:02 pm
Purchase
2025-03-3113GAlgoma Steel Group Inc.
ASTL
DONALD SMITH & CO., INC.8,088,120
7.700%
20,517increase
(+0.25%)
Filing
History
2025-05-05
7:07 pm
Purchase
2025-05-0113DAlgoma Steel Group Inc.
ASTL
Maple Rock Capital Partners Inc.7,552,617
7.200%
1,460,526increase
(+23.97%)
Filing
History
2025-04-29
09:27 am
Purchase
2025-03-3113GAlgoma Steel Group Inc.
ASTL
BlackRock Inc.
BLK
3,835,939
3.700%
3,835,939increase
(New Position)
Filing
History
2025-04-10
1:19 pm
Purchase
2025-04-0413GAlgoma Steel Group Inc.
ASTL
Stoney Lonesome HF LP5,458,549
5.200%
5,458,549increase
(New Position)
Filing
History
2025-02-13
2:13 pm
Purchase
2024-12-3113GAlgoma Steel Group Inc.
ASTL
DONALD SMITH & CO., INC.8,067,603
7.800%
4,736increase
(+0.06%)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-3013GAlgoma Steel Group Inc.
ASTL
BlackRock Inc.
BLK
6,957,499
6.700%
0
(Unchanged)
Filing
2024-11-05
1:00 pm
Purchase
2024-09-3013GAlgoma Steel Group Inc.
ASTL
MMCAP International Inc. SPC6,997,328
6.700%
241,606increase
(+3.58%)
Filing
History
2024-10-25
7:59 pm
Unchanged
2024-10-2513DAlgoma Steel Group Inc.
ASTL
Maple Rock Capital Partners Inc.6,092,091
5.900%
0
(Unchanged)
Filing
History
2024-10-25
3:06 pm
Sale
2024-09-3013GAlgoma Steel Group Inc.
ASTL
DONALD SMITH & CO., INC.8,062,867
7.740%
-1,560,612decrease
(-16.22%)
Filing
History
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