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: 27
Latest filed: Jun 30, 2026
Form Count
6-K 23
SCHEDULE 13G/A 3
SCHEDULE 13G 1

Latest files

Filed Form Report period Accession SEC
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
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