Company Analysis

Algoma Steel Group Inc. (ASTL)

Nasdaq: ASTL · Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) · Sault Ste. Marie, ON · filing with the SEC since 2021
Grade2.1
◀ Past 3.7● Present 1.4▶ Future 1.6
1 est.

Filings

307 filings since 2017 beside 3 insider forms · Non-accelerated filer · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer
40-F Annual report, Canadian filer for the fiscal year ending Dec 31, 2026Foreign filers have four months after the fiscal year ends. by Apr 30, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files.

Filings a yearinsider forms included
578158424329
202120222023202420252026

2026 counts to Nov 13, 2026.

Insider forms 3

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 29, 2026 6-K Interim report, foreign filer Oct 28, 2026
Oct 19, 2026 25-NSE Delisting notice from the exchange
Oct 16, 2026 6-K Interim report, foreign filer Oct 15, 2026
Oct 2, 2026 6-K Interim report, foreign filer Oct 1, 2026
Sep 2, 2026 6-K Interim report, foreign filer
Aug 18, 2026 6-K Interim report, foreign filer Aug 17, 2026
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 11, 2026 SCHEDULE 13G Large holder notice
Jul 30, 2026 6-K Interim report, foreign filer Jun 30, 2026
Jul 17, 2026 6-K Interim report, foreign filer Jul 16, 2026
Jul 1, 2026 6-K Interim report, foreign filer Jun 30, 2026
Jun 24, 2026 6-K Interim report, foreign filer Jun 23, 2026
Jun 5, 2026 6-K Interim report, foreign filer Jun 4, 2026
May 22, 2026 6-K Interim report, foreign filer
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 13, 2026 6-K Interim report, foreign filer May 12, 2026
May 13, 2026 SCHEDULE 13G Large holder notice
May 1, 2026 6-K Interim report, foreign filer Apr 30, 2026
Apr 10, 2026 6-K Interim report, foreign filer
Apr 7, 2026 6-K Interim report, foreign filer
Apr 1, 2026 6-K Interim report, foreign filer Mar 31, 2026
Mar 12, 2026 6-K Interim report, foreign filer Mar 11, 2026
Mar 12, 2026 40-F Annual report, Canadian filer Dec 31, 2025
Feb 27, 2026 6-K Interim report, foreign filer Feb 26, 2026
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 12, 2026 SCHEDULE 13G Large holder notice
Jan 27, 2026 6-K Interim report, foreign filer Jan 26, 2026
Jan 9, 2026 6-K Interim report, foreign filer Jan 8, 2026
Dec 2, 2025 6-K Interim report, foreign filer
Dec 1, 2025 6-K Interim report, foreign filer
Nov 20, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 17, 2025 6-K Interim report, foreign filer
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 12, 2025 SCHEDULE 13G Large holder notice
Nov 7, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 30, 2025 6-K Interim report, foreign filer Oct 29, 2025
Oct 21, 2025 6-K Interim report, foreign filer Oct 20, 2025
Oct 2, 2025 6-K Interim report, foreign filer Oct 1, 2025
Sep 29, 2025 6-K Interim report, foreign filer
40 of 307 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ASTL · research, not advice