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 |
|---|---|---|---|
| 25-NSE | Delisting notice | Oct 19, 2026 | — |
| SUPPL | Filing | Jul 18, 2025 | — |
| EFFECT | Filing | Jun 27, 2023 | — |
| SUPPL | Filing | Jun 23, 2023 | — |
| POS EX | Filing | Jun 22, 2023 | — |
| POS EX | Filing | May 26, 2023 | — |
| UPLOAD | Letter from the SEC | May 2, 2023 | — |
| CORRESP | Letter to the SEC | Apr 6, 2023 | — |
| CORRESP | Letter to the SEC | Mar 31, 2023 | — |
| UPLOAD | Letter from the SEC | Mar 10, 2023 | — |
| SC TO-I/A | Filing | Aug 2, 2022 | — |
| SC TO-I/A | Filing | Jul 28, 2022 | — |
| SC TO-I/A | Filing | Jul 18, 2022 | — |
| EFFECT | Filing | Jul 5, 2022 | — |
| SC TO-I | Filing | Jun 21, 2022 | — |
| SC TO-C | Filing | Jun 16, 2022 | — |
| SC TO-C | Filing | Jun 15, 2022 | — |
| POS EX | Filing | Jun 15, 2022 | — |
| EFFECT | Filing | Nov 5, 2021 | — |
| CORRESP | Letter to the SEC | Nov 3, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 2, 2021 | — |
| CERT | Filing | Oct 19, 2021 | — |
| 8-A12B | Filing | Oct 18, 2021 | — |
| 425 | Form 425 | Sep 30, 2021 | — |
| EFFECT | Filing | Sep 23, 2021 | — |
| 425 | Form 425 | Sep 22, 2021 | — |
| CORRESP | Letter to the SEC | Sep 21, 2021 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2021 | — |
| CORRESP | Letter to the SEC | Sep 8, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 26, 2021 | — |
| 425 | Form 425 | Aug 23, 2021 | — |
| 425 | Form 425 | Aug 20, 2021 | — |
| 425 | Form 425 | Aug 20, 2021 | — |
| 425 | Form 425 | Aug 20, 2021 | — |
| CORRESP | Letter to the SEC | Aug 17, 2021 | — |
| 425 | Form 425 | Aug 13, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 3, 2021 | — |
| 425 | Form 425 | Jul 8, 2021 | — |
| 425 | Form 425 | Jul 8, 2021 | — |
| 425 | Form 425 | Jul 8, 2021 | — |
| 425 | Form 425 | Jul 6, 2021 | — |
| 425 | Form 425 | Jul 6, 2021 | — |
| 425 | Form 425 | Jul 6, 2021 | — |
| 425 | Form 425 | Jul 6, 2021 | — |
| 425 | Form 425 | Jun 21, 2021 | — |
| 425 | Form 425 | Jun 21, 2021 | — |
| 425 | Filing | Jun 21, 2021 | — |
| 425 | Filing | Jun 21, 2021 | — |
| 425 | Filing | Jun 21, 2021 | — |
| 425 | Form 425 | Jun 11, 2021 | — |
| 425 | Form 425 | May 26, 2021 | — |
| 425 | Form 425 | May 25, 2021 | — |
| 425 | Form 425 | May 25, 2021 | — |
| 425 | Form 425 | May 25, 2021 | — |
| 425 | Form 425 | May 25, 2021 | — |
| 425 | Form 425 | May 25, 2021 | — |
Showing 56 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.