Algoma Steel Group Inc. (ASTL) Historical Stock Prices
Algoma Steel Group Inc. (ASTL) is a publicly traded company on the Nasdaq, categorized under SIC 3312 (Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ASTL
CIK: 1860805
Exchange: Nasdaq
SIC 3312: Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
Fiscal Year End: 03/31
State: A1
Independent PCAOB Auditor
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Audit Firm
Deloitte LLP
Auditor SinceSince 3/31/2022 12:00:00 AM
Lead Engagement PartnerStephen Di Giacomo
Audit LocationToronto, Canada
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 6-K | 2026-10-16 | 2026-10-15 | 6-K | 0001193125-26-423116 | View SEC Doc Filr Page |
| 6-K | 2026-10-02 | 2026-10-01 | 6-K | 0001193125-26-411012 | View SEC Doc Filr Page |
| 6-K | 2026-09-02 | 2026-09-02 | 6-K | 0001193125-26-379439 | View SEC Doc Filr Page |
| 6-K | 2026-08-18 | 2026-08-17 | 6-K | 0001193125-26-354524 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-14 | — | SCHEDULE 13G/A Filing | 0001104659-26-097125 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-11 | — | SCHEDULE 13G Filing | 0000814375-26-000040 | View SEC Doc Filr Page |
| 6-K | 2026-07-30 | 2026-06-30 | FORM 6-K | 0001104659-26-088340 | View SEC Doc Filr Page |
| 6-K | 2026-07-17 | 2026-07-16 | 6-K | 0001193125-26-306406 | View SEC Doc Filr Page |
| 6-K | 2026-07-01 | 2026-06-30 | 6-K | 0001193125-26-291071 | View SEC Doc Filr Page |
| 6-K | 2026-06-24 | 2026-06-23 | 6-K | 0001193125-26-279870 | View SEC Doc Filr Page |
| 6-K | 2026-06-05 | 2026-06-04 | 6-K | 0001193125-26-257917 | View SEC Doc Filr Page |
| 6-K | 2026-05-22 | 2026-05-22 | 6-K | 0001193125-26-235580 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-15 | — | SCHEDULE 13G/A Filing | 0000905148-26-002416 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-15 | — | SCHEDULE 13G/A Filing | 0001104659-26-062621 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-05-13 | — | SCHEDULE 13G Filing | 0000814375-26-000022 | View SEC Doc Filr Page |
| 6-K | 2026-05-13 | 2026-05-12 | 6-K | 0001193125-26-220324 | View SEC Doc Filr Page |
| 6-K | 2026-05-01 | 2026-04-30 | 6-K | 0001193125-26-197979 | View SEC Doc Filr Page |
| 6-K | 2026-04-10 | 2026-04-10 | 6-K | 0001193125-26-151357 | View SEC Doc Filr Page |
| 6-K | 2026-04-07 | 2026-04-07 | 6-K | 0001193125-26-145680 | View SEC Doc Filr Page |
| 6-K | 2026-04-01 | 2026-03-31 | 6-K | 0001193125-26-135093 | View SEC Doc Filr Page |
| 6-K | 2026-03-12 | 2026-03-11 | 6-K | 0001193125-26-102728 | View SEC Doc Filr Page |
| 40-F | 2026-03-12 | 2025-12-31 | 40-F | 0001193125-26-102628 | View SEC Doc Filr Page |
| 6-K | 2026-02-27 | 2026-02-26 | 6-K | 0001193125-26-078311 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-02-17 | — | SCHEDULE 13G/A Filing | 0001104659-26-016330 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-02-12 | — | SCHEDULE 13G Filing | 0000814375-26-000014 | View SEC Doc Filr Page |