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