TAC common stock issued history

Trailing twelve months (TTM) · CAD. Each value covers four complete reported quarters.

TransAlta Corporation Ordinary Shares Common Stock Issued — Trailing twelve months (TTM) (CAD)
Period ending	Common Stock Issued (CAD)
Jun 30, 2026	340,999,185
Mar 31, 2026	2,999,185
Dec 31, 2025	2,999,185
Sep 30, 2025	9,000,000
Jun 30, 2025	8,000,000
Mar 31, 2025	9,000,000
Dec 31, 2024	12,000,000
Sep 30, 2024	6,000,000
Jun 30, 2024	5,000,000
Mar 31, 2024	6,000,000
Dec 31, 2023	5,000,000
Sep 30, 2023	5,475,400
Jun 30, 2023	5,475,400
Mar 31, 2023	3,475,400
Dec 31, 2022	2,475,400
Sep 30, 2022	1,000,000
Jun 30, 2022	1,000,000
Mar 31, 2022	9,000,000
Dec 31, 2021	8,000,000
Sep 30, 2021	8,000,000
Jun 30, 2021	8,000,000
Mar 31, 2021	0
Dec 31, 2020	0
Sep 30, 2020	0
Jun 30, 2020	0
Mar 31, 2020	0
Dec 31, 2019	0
Sep 30, 2019	0
Jun 30, 2019	0
Mar 31, 2019	0
Dec 31, 2018	0
Sep 30, 2018	0
Jun 30, 2018	0
Mar 31, 2018	0
Dec 31, 2017	0
Sep 30, 2017	0
Jun 30, 2017	0
Mar 31, 2017	0
Dec 31, 2016	0
Sep 30, 2016	0
Jun 30, 2016	0
Mar 31, 2016	0
Dec 31, 2015	0
Sep 30, 2015	0
Jun 30, 2015	0
Mar 31, 2015	0
Dec 31, 2014	0
Sep 30, 2014	0
Jun 30, 2014	0
Mar 31, 2014	0
Dec 31, 2013	0
Sep 30, 2013	0
Jun 30, 2013	292,000,000
Mar 31, 2013	293,000,000
Dec 31, 2012	293,000,000
Sep 30, 2012	561,000,000
Jun 30, 2012	269,000,000
Mar 31, 2012	268,000,000
Dec 31, 2011	269,000,000
Sep 30, 2011	1,000,000
Jun 30, 2011	-2,000,000
Mar 31, 2011	1,000,000
Dec 31, 2010	1,000,000
Sep 30, 2010	1,000,000
Jun 30, 2010	4,000,000
Mar 31, 2010	1,000,000
Dec 31, 2009	0
Sep 30, 2009	731,559
Jun 30, 2009	322,266
Mar 31, 2009	3,254,472
Dec 31, 2008	14,570,180
Sep 30, 2008	18,938,790
Jun 30, 2008	23,347,884
Mar 31, 2008	25,815,387
Dec 31, 2007	19,499,679
Sep 30, 2007	18,799,035
Jun 30, 2007	17,299,290
Mar 31, 2007	11,899,581
Dec 31, 2006	6,899,581
Sep 30, 2006	8,700,474
Jun 30, 2006	11,592,838
Mar 31, 2006	16,211,974
Dec 31, 2005	19,612,216
Sep 30, 2005	14,422,999
Jun 30, 2005	9,030,579
Mar 31, 2005	4,411,443
Dec 31, 2004	1,011,201
Sep 30, 2004	-229,369
Jun 30, 2004	1,550,423
Apr 22, 2004	33,000,644
Dec 31, 2003	265,000,644
Sep 30, 2003	265,229,204
Jun 30, 2003	263,656,468
Mar 31, 2003	232,901,585
Dec 31, 2002	1,800,441
Sep 30, 2002	1,801,250
Jun 30, 2002	3,616,912
Mar 31, 2002	11,984,089
Dec 31, 2001	13,985,233
Sep 30, 2001	13,985,233