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: 21
Latest filed: Sep 14, 2026
| Form | Count |
|---|---|
| 6-K | 19 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Sep 14, 2026 | 6-K | Sep 14, 2026 | 0001171843-26-006030 | View |
| Jul 31, 2026 | 6-K | Jun 30, 2026 | 0001144800-26-000040 | View |
| Jul 31, 2026 | 6-K | Jul 31, 2026 | 0001144800-26-000041 | View |
| Jul 29, 2026 | 6-K | Jul 29, 2026 | 0001171843-26-005029 | View |
| Jun 30, 2026 | 6-K | Jun 30, 2026 | 0001171843-26-004400 | View |
| Jun 15, 2026 | 6-K | Jun 15, 2026 | 0001171843-26-004113 | View |
| Jun 09, 2026 | 6-K | Jun 09, 2026 | 0001193125-26-263706 | View |
| Jun 09, 2026 | 6-K | Jun 09, 2026 | 0001171843-26-003988 | View |
| Jun 05, 2026 | 6-K | Jun 05, 2026 | 0001193125-26-259627 | View |
| Jun 04, 2026 | 6-K | Jun 03, 2026 | 0001193125-26-256078 | View |
| May 13, 2026 | SCHEDULE 13G | — | 0000927971-26-000075 | View |
| May 06, 2026 | SCHEDULE 13G/A | — | 0000315066-26-001312 | View |
| May 06, 2026 | 6-K | Mar 31, 2026 | 0001144800-26-000030 | View |
| May 06, 2026 | 6-K | May 06, 2026 | 0001144800-26-000031 | View |
| May 01, 2026 | 6-K | Apr 30, 2026 | 0001144800-26-000020 | View |
| May 01, 2026 | 6-K | Apr 30, 2026 | 0001171843-26-002903 | View |
| Apr 30, 2026 | 6-K | Apr 29, 2026 | 0001171843-26-002845 | View |
| 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 |