TAC News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-07-31 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-07-31 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-07-29 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-30 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-15 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-09 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-09 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-06-04 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-05-06 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-05-06 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-05-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-05-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-04-30 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-04-20 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-04-07 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-03-31 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-03-23 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-03-17 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-03-17 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-03-02 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-02-27 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-02-27 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-02-27 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-02-27 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2026-01-28 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-22 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-18 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-17 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-15 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-15 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-15 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-12-09 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-11-17 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-11-06 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-11-06 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-11-06 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-10-22 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-10-08 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-09-18 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-08-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-08-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-07-30 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-07-03 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-05-28 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-05-07 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-05-07 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-04-24 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-04-24 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-04-23 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-04-10 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-03-31 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-03-26 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-03-25 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-02-20 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-02-20 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2025-01-16 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-12-10 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-12-04 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-11-14 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-11-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-11-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-10-23 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-10-04 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-09-17 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-09-03 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-08-22 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-08-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-08-01 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-07-30 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-07-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-06-25 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-05-28 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-05-21 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-05-03 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-05-03 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-26 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-25 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-25 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-24 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-19 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-04-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-03-22 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-03-20 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-02-23 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-02-23 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-01-22 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2024-01-04 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-12-19 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-12-13 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-24 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-24 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-07 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-07 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-02 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-11-02 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-10-26 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-10-13 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-10-12 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |
| 2023-10-05 | Foreign issuer report | SEC filing | TRANSALTA CORP filed Form 6-K | TRANSALTA CORP filed Form 6-K. |