Algoma Steel Group Inc. SEC filings ASTL
Algoma Steel Group Inc. has 310 filings in SEC EDGAR's recent list, going back to May 25, 2021. Its latest annual report, Form 40-F, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| F-X | Filing | Jul 18, 2025 | — |
| F-10 | Filing | Jul 18, 2025 | — |
| POS AM | Filing | Jun 23, 2023 | — |
| F-X | Form f-x | Jun 22, 2023 | — |
| F-10 | Filing | Jun 22, 2023 | — |
| 424B3 | Prospectus | Jun 22, 2023 | — |
| F-X | Form f-x | Jun 22, 2023 | — |
| 424B3 | Prospectus | Jun 16, 2023 | — |
| 424B3 | Prospectus | May 26, 2023 | — |
| 424B3 | Prospectus | Mar 31, 2023 | — |
| 424B3 | Prospectus | Mar 30, 2023 | — |
| 424B3 | Prospectus | Mar 14, 2023 | — |
| 424B3 | Prospectus | Mar 2, 2023 | — |
| 424B3 | Prospectus | Feb 17, 2023 | — |
| 424B3 | Prospectus | Feb 14, 2023 | — |
| 424B3 | Prospectus | Jan 10, 2023 | — |
| 424B3 | Prospectus | Nov 8, 2022 | — |
| 424B3 | Prospectus | Sep 28, 2022 | — |
| 424B3 | Prospectus | Sep 21, 2022 | — |
| 424B3 | Prospectus | Aug 30, 2022 | — |
| 424B3 | Prospectus | Aug 24, 2022 | — |
| 424B3 | Prospectus | Aug 18, 2022 | — |
| 424B3 | Prospectus | Aug 15, 2022 | — |
| 424B3 | Prospectus | Aug 10, 2022 | — |
| 424B3 | Prospectus | Aug 8, 2022 | — |
| 424B3 | Prospectus | Aug 4, 2022 | — |
| 424B3 | Prospectus | Aug 2, 2022 | — |
| 424B3 | Prospectus | Aug 1, 2022 | — |
| 424B3 | Prospectus | Aug 1, 2022 | — |
| 424B3 | Prospectus | Jul 28, 2022 | — |
| 424B3 | Prospectus | Jul 26, 2022 | — |
| 424B3 | Prospectus | Jul 21, 2022 | — |
| POS AM | Filing | Jun 30, 2022 | — |
| 424B3 | Prospectus | Jun 24, 2022 | — |
| 424B3 | Prospectus | Jun 21, 2022 | — |
| 424B3 | Prospectus | Jun 17, 2022 | — |
| 424B3 | Prospectus | Jun 15, 2022 | — |
| 424B3 | Prospectus | Apr 25, 2022 | — |
| 424B3 | Prospectus | Apr 18, 2022 | — |
| 424B3 | Prospectus | Apr 8, 2022 | — |
| S-8 | Employee stock plan registration | Apr 1, 2022 | — |
| 424B3 | Prospectus | Mar 24, 2022 | — |
| 424B3 | Prospectus | Mar 2, 2022 | — |
| 424B3 | Prospectus | Feb 11, 2022 | — |
| 424B3 | Prospectus | Jan 10, 2022 | — |
| 424B3 | Prospectus | Dec 2, 2021 | — |
| 424B3 | Prospectus | Nov 29, 2021 | — |
| 424B3 | Prospectus | Nov 12, 2021 | — |
| 424B3 | Prospectus | Nov 5, 2021 | — |
| F-1 | Registration statement (foreign issuer) | Oct 27, 2021 | — |
| 424B3 | Prospectus | Sep 23, 2021 | — |
| F-4/A | Filing | Sep 20, 2021 | — |
| F-4/A | Filing | Sep 8, 2021 | — |
| F-4/A | Filing | Aug 17, 2021 | — |
| F-4 | Filing | Jul 7, 2021 | — |
Showing 55 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (SIC 3312)
- Listed as
- ASTL (Nasdaq), ASTLW (Nasdaq)
- Fiscal year ends
- March 31
- Incorporated in
- British Columbia, Canada
- Headquarters
- Sault Ste. Marie, Ontario, Canada
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1860805
- Former names
- 1295908 B.C. LTD. (until Jun 21, 2021)
Other Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) companies
- Nucor Corp NUE
- ArcelorMittal MT
- Steel Dynamics Inc STLD
- Tenaris SA TS
- Posco Holdings Inc. PKX
- Carpenter Technology Corp CRS
- COMMERCIAL METALS Co CMC
- GRUPO SIMEC, S.A.B. de C.V. SIM
All 13 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.