TRANSALTA CORP - TAC
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 30
Latest filed: Apr 20, 2026
| Form | Count |
|---|---|
| 6-K | 24 |
| SCHEDULE 13G/A | 6 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 20, 2026 | 6-K | Apr 20, 2026 | 0001171843-26-002552 | View |
| Apr 07, 2026 | 6-K | Apr 07, 2026 | 0001171843-26-002304 | View |
| Mar 31, 2026 | 6-K | Mar 12, 2026 | 0001144800-26-000019 | View |
| Mar 23, 2026 | 6-K | Mar 23, 2026 | 0001171843-26-001836 | View |
| Mar 17, 2026 | 6-K | Mar 17, 2026 | 0001171843-26-001640 | View |
| Mar 17, 2026 | 6-K | Mar 17, 2026 | 0001171843-26-001641 | View |
| Mar 02, 2026 | 6-K | Mar 02, 2026 | 0001171843-26-001271 | View |
| Feb 27, 2026 | 6-K | Dec 31, 2025 | 0001144800-26-000016 | View |
| Feb 27, 2026 | 6-K | Feb 27, 2026 | 0001144800-26-000017 | View |
| Feb 27, 2026 | 6-K | Feb 27, 2026 | 0001171843-26-001170 | View |
| Feb 27, 2026 | 6-K | Feb 27, 2026 | 0001171843-26-001171 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | — | 0001214659-26-001682 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | — | 0000315066-26-000546 | View |
| Jan 28, 2026 | 6-K | Jan 27, 2026 | 0001171843-26-000456 | View |
| Dec 22, 2025 | 6-K | Dec 22, 2025 | 0001193125-25-328801 | View |
| Dec 18, 2025 | 6-K | Dec 18, 2025 | 0001171843-25-008012 | View |
| Dec 17, 2025 | 6-K | Dec 17, 2025 | 0001171843-25-007975 | View |
| Dec 15, 2025 | 6-K | Dec 11, 2025 | 0001193125-25-317918 | View |
| Dec 15, 2025 | 6-K | Dec 12, 2025 | 0001171843-25-007927 | View |
| Dec 15, 2025 | 6-K | Dec 15, 2025 | 0001193125-25-319446 | View |
| Dec 09, 2025 | 6-K | Dec 09, 2025 | 0001171843-25-007842 | View |
| Nov 17, 2025 | 6-K | Nov 17, 2025 | 0001171843-25-007364 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | — | 0001104659-25-112440 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | — | 0000886982-25-001483 | View |
| Nov 07, 2025 | SCHEDULE 13G/A | — | 0000315066-25-002912 | View |
| Nov 06, 2025 | 6-K | Nov 06, 2025 | 0001144800-25-000038 | View |
| Nov 06, 2025 | 6-K | Sep 30, 2025 | 0001144800-25-000039 | View |
| Nov 06, 2025 | 6-K | Nov 06, 2025 | 0001171843-25-007074 | View |
| Nov 05, 2025 | SCHEDULE 13G/A | — | 0000315066-25-002858 | View |
| Oct 22, 2025 | 6-K | Oct 22, 2025 | 0001171843-25-006600 | View |