TRNTF Form 40-F: Annual report of Canadian issuer

TRANSALTA CORPORATION Form 40-F: Annual report of Canadian issuer

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

2026-02-27: Form 40-F; Period of report 2025-12-31; Description 40-F; Document tac-20251231_d2.htm.
2025-02-20: Form 40-F; Period of report 2024-12-31; Description 40-F; Document tac-20241231_d2.htm.
2024-02-23: Form 40-F; Period of report 2023-12-31; Description 40-F; Document tac-20231231_d2.htm.
2023-02-23: Form 40-F; Period of report 2022-12-31; Description 40-F; Document tac-20221231.htm.

Filed	Form	Period of report	Description	Document
2026-02-27	40-F	2025-12-31	40-F	tac-20251231_d2.htm
2025-02-20	40-F	2024-12-31	40-F	tac-20241231_d2.htm
2024-02-23	40-F	2023-12-31	40-F	tac-20231231_d2.htm
2023-02-23	40-F	2022-12-31	40-F	tac-20221231.htm
2022-02-24	40-F	2021-12-31	40-F	tac-20211231_d2.htm
2021-03-03	40-F	2020-12-31	40-F	tac-20201231_d2.htm
2020-03-04	40-F	2019-12-31	40-F	tac-20191231_d2.htm
2019-02-27	40-F	2018-12-31	40-F	a20181231tac40-f.htm
2018-03-02	40-F	2017-12-31	40-F	a18-2676_140f.htm
2017-03-03	40-F	2016-12-31	40-F	a17-7040_140f.htm
2016-02-18	40-F	2015-12-31	40-F	a16-4347_140f.htm
2015-02-19	40-F	2014-12-31	40-F	a15-3974_140f.htm
2014-02-20	40-F	2013-12-31	40-F	a14-5638_140f.htm
2013-02-27	40-F	2012-12-31	40-F	a13-5903_140f.htm
2012-03-02	40-F	2011-12-31	40-F	a12-5919_140f.htm
2011-02-24	40-F	2010-12-31	40-F	a11-6156_240f.htm
2010-02-24	40-F	2009-12-31	40-F	a10-4104_140f.htm
2009-03-16	40-F	2008-12-31	FORM 40F	a2191499z40-f.htm
2008-03-17	40-F	2007-12-31	40-F	a08-7661_140f.htm
2007-03-16	40-F	2006-12-31	40-F	a07-7775_140f.htm
2006-03-24	40-F	2005-12-31	40-F FILING FOR TRANSALTA CORPORATION	transalta40f032406.htm
2005-04-01	40-F	2004-12-31	Annual report of Canadian issuer	main40f.htm
2004-04-01	40-F	2004-03-31	Annual report of Canadian issuer	f40fcover.htm
2003-04-03	40-F	2002-12-31	FOR THE YEAR ENDED DECEMBER 31, 2003	tac40fapril32003.htm
2002-05-06	40-F	2001-12-31	AUTO-GENERATED PAPER DOCUMENT	9999999997-02-026882.paper