# Algoma Steel Group Inc.: filings

ASTL · Nasdaq · CIK 1860805 · [Materials](/sectors/materials.md) · fiscal year ends Mar 31

Pages: [Overview](/companies/astl.md) · [Financials](/companies/astl/financials.md) · [Filings](/companies/astl/filings.md) · [Insiders](/companies/astl/insiders.md)

## Reports and events: 160 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (6-K 147, 424B3 42, 425 26, SCHEDULE 13G/A 11, SC 13G 9, SCHEDULE 13G 9, CORRESP 6, UPLOAD 6, SC 13G/A 5, 40-F 4, EFFECT 4, 144 3, F-4/A 3, F-X 3, POS EX 3, SC 13D 3, SCHEDULE 13D/A 3, SC TO-I/A 3, 20-F 2, F-10 2, POS AM 2, SC TO-C 2, SUPPL 2, 25-NSE 1, 8-A12B 1, CERT 1, F-1 1, F-4 1, S-8 1, SC 13D/A 1, SC TO-I 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-16 | 18:50 ET | [6-K](/filings/0001193125-26-423116.md) | Report of a foreign private issuer, period 2026-10-15 | 0001193125-26-423116 |
| 2026-10-02 | 19:36 ET | [6-K](/filings/0001193125-26-411012.md) | Report of a foreign private issuer, period 2026-10-01 | 0001193125-26-411012 |
| 2026-09-02 | 08:47 ET | [6-K](/filings/0001193125-26-379439.md) | Report of a foreign private issuer, period 2026-09-02 | 0001193125-26-379439 |
| 2026-08-18 | 21:12 ET | [6-K](/filings/0001193125-26-354524.md) | Report of a foreign private issuer, period 2026-08-17 | 0001193125-26-354524 |
| 2026-07-30 | 20:10 ET | [6-K](/filings/0001104659-26-088340.md) | Report of a foreign private issuer, period 2026-06-30 | 0001104659-26-088340 |
| 2026-07-17 | 19:05 ET | [6-K](/filings/0001193125-26-306406.md) | Report of a foreign private issuer, period 2026-07-16 | 0001193125-26-306406 |
| 2026-07-01 | 19:10 ET | [6-K](/filings/0001193125-26-291071.md) | Report of a foreign private issuer, period 2026-06-30 | 0001193125-26-291071 |
| 2026-06-24 | 18:09 ET | [6-K](/filings/0001193125-26-279870.md) | Report of a foreign private issuer, period 2026-06-23 | 0001193125-26-279870 |
| 2026-06-05 | 18:42 ET | [6-K](/filings/0001193125-26-257917.md) | Report of a foreign private issuer, period 2026-06-04 | 0001193125-26-257917 |
| 2026-05-22 | 09:01 ET | [6-K](/filings/0001193125-26-235580.md) | Report of a foreign private issuer, period 2026-05-22 | 0001193125-26-235580 |
| 2026-05-13 | 21:48 ET | [6-K](/filings/0001193125-26-220324.md) | Report of a foreign private issuer, period 2026-05-12 | 0001193125-26-220324 |
| 2026-05-01 | 17:42 ET | [6-K](/filings/0001193125-26-197979.md) | Report of a foreign private issuer, period 2026-04-30 | 0001193125-26-197979 |
| 2026-04-10 | 16:33 ET | [6-K](/filings/0001193125-26-151357.md) | Report of a foreign private issuer, period 2026-04-10 | 0001193125-26-151357 |
| 2026-04-07 | 16:50 ET | [6-K](/filings/0001193125-26-145680.md) | Report of a foreign private issuer, period 2026-04-07 | 0001193125-26-145680 |
| 2026-04-01 | 18:30 ET | [6-K](/filings/0001193125-26-135093.md) | Report of a foreign private issuer, period 2026-03-31 | 0001193125-26-135093 |
| 2026-03-12 | 20:34 ET | [6-K](/filings/0001193125-26-102728.md) | Report of a foreign private issuer, period 2026-03-11 | 0001193125-26-102728 |
| 2026-03-12 | 18:47 ET | [40-F](/filings/0001193125-26-102628.md) | Annual report of a Canadian issuer, period 2025-12-31 | 0001193125-26-102628 |
| 2026-02-27 | 20:13 ET | [6-K](/filings/0001193125-26-078311.md) | Report of a foreign private issuer, period 2026-02-26 | 0001193125-26-078311 |
| 2026-01-27 | 21:01 ET | [6-K](/filings/0001193125-26-023086.md) | Report of a foreign private issuer, period 2026-01-26 | 0001193125-26-023086 |
| 2026-01-09 | 19:57 ET | [6-K](/filings/0001193125-26-007997.md) | Report of a foreign private issuer, period 2026-01-08 | 0001193125-26-007997 |
| 2025-12-02 | 16:07 ET | [6-K](/filings/0001193125-25-305255.md) | Report of a foreign private issuer, period 2025-12-02 | 0001193125-25-305255 |
| 2025-12-01 | 08:30 ET | [6-K](/filings/0001193125-25-303186.md) | Report of a foreign private issuer, period 2025-12-01 | 0001193125-25-303186 |
| 2025-11-17 | 09:03 ET | [6-K](/filings/0001193125-25-284021.md) | Report of a foreign private issuer, period 2025-11-17 | 0001193125-25-284021 |
| 2025-10-30 | 19:10 ET | [6-K](/filings/0001193125-25-256940.md) | Report of a foreign private issuer, period 2025-10-29 | 0001193125-25-256940 |
| 2025-10-21 | 20:51 ET | [6-K](/filings/0001193125-25-243967.md) | Report of a foreign private issuer, period 2025-10-20 | 0001193125-25-243967 |
| 2025-10-02 | 20:59 ET | [6-K](/filings/0001193125-25-227284.md) | Report of a foreign private issuer, period 2025-10-01 | 0001193125-25-227284 |
| 2025-09-29 | 17:17 ET | [6-K](/filings/0001193125-25-223442.md) | Report of a foreign private issuer, period 2025-09-29 | 0001193125-25-223442 |
| 2025-09-23 | 16:15 ET | [SCHEDULE 13D/A](/filings/0001193125-25-213334.md) | Ownership report, active investor, amended | 0001193125-25-213334 |
| 2025-09-19 | 18:32 ET | [6-K](/filings/0001193125-25-207666.md) | Report of a foreign private issuer, period 2025-09-18 | 0001193125-25-207666 |
| 2025-08-14 | 20:48 ET | [SCHEDULE 13D/A](/filings/0000905148-25-003014.md) | Ownership report, active investor, amended | 0000905148-25-003014 |
| 2025-07-30 | 20:16 ET | [6-K](/filings/0001193125-25-168383.md) | Report of a foreign private issuer, period 2025-07-29 | 0001193125-25-168383 |
| 2025-07-24 | 11:54 ET | [6-K](/filings/0001193125-25-164142.md) | Report of a foreign private issuer, period 2025-07-24 | 0001193125-25-164142 |
| 2025-07-18 | 13:15 ET | [6-K](/filings/0001193125-25-161055.md) | Report of a foreign private issuer, period 2025-07-18 | 0001193125-25-161055 |
| 2025-07-16 | 20:34 ET | [6-K](/filings/0001193125-25-159454.md) | Report of a foreign private issuer, period 2025-07-15 | 0001193125-25-159454 |
| 2025-07-10 | 10:32 ET | [6-K](/filings/0001193125-25-157470.md) | Report of a foreign private issuer, period 2025-07-10 | 0001193125-25-157470 |
| 2025-06-25 | 19:55 ET | [6-K](/filings/0001193125-25-145890.md) | Report of a foreign private issuer, period 2025-06-24 | 0001193125-25-145890 |
| 2025-06-05 | 19:03 ET | [6-K](/filings/0001193125-25-135086.md) | Report of a foreign private issuer, period 2025-06-04 | 0001193125-25-135086 |
| 2025-05-21 | 10:53 ET | [6-K](/filings/0001193125-25-123763.md) | Report of a foreign private issuer, period 2025-05-21 | 0001193125-25-123763 |
| 2025-05-05 | 19:07 ET | [SCHEDULE 13D/A](/filings/0000905148-25-001454.md) | Ownership report, active investor, amended | 0000905148-25-001454 |
| 2025-04-30 | 21:15 ET | [6-K](/filings/0001193125-25-105147.md) | Report of a foreign private issuer, period 2025-04-29 | 0001193125-25-105147 |
| 2025-04-23 | 18:47 ET | [6-K](/filings/0001193125-25-089513.md) | Report of a foreign private issuer, period 2025-04-22 | 0001193125-25-089513 |
| 2025-04-10 | 13:30 ET | [6-K](/filings/0001193125-25-077757.md) | Report of a foreign private issuer, period 2025-04-10 | 0001193125-25-077757 |
| 2025-03-13 | 19:23 ET | [6-K](/filings/0001193125-25-053141.md) | Report of a foreign private issuer, period 2025-03-12 | 0001193125-25-053141 |
| 2025-03-13 | 18:30 ET | [40-F](/filings/0001193125-25-053106.md) | Annual report of a Canadian issuer, period 2024-12-31 | 0001193125-25-053106 |
| 2025-02-28 | 18:52 ET | [6-K](/filings/0001193125-25-039835.md) | Report of a foreign private issuer, period 2025-02-27 | 0001193125-25-039835 |
| 2025-02-24 | 10:34 ET | [6-K](/filings/0001193125-25-032989.md) | Report of a foreign private issuer, period 2025-02-24 | 0001193125-25-032989 |
| 2025-01-03 | 18:04 ET | [6-K](/filings/0001193125-25-000746.md) | Report of a foreign private issuer, period 2025-01-02 | 0001193125-25-000746 |
| 2024-12-04 | 18:07 ET | [6-K](/filings/0001193125-24-270080.md) | Report of a foreign private issuer, period 2024-12-03 | 0001193125-24-270080 |
| 2024-11-07 | 21:07 ET | [6-K](/filings/0001193125-24-252367.md) | Report of a foreign private issuer, period 2024-11-06 | 0001193125-24-252367 |
| 2024-10-30 | 20:05 ET | [6-K](/filings/0001193125-24-246740.md) | Report of a foreign private issuer, period 2024-10-29 | 0001193125-24-246740 |

Page 1 of 4. [Older](/companies/astl/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 06:03 ET. No prices; not investment advice.