Transalta Corp

Symbol
TAC on NYSE, TACPF, TRNTF, TSLTF on OTC
Entity
Company
Business address
Transalta Place, 1400, 1100 1 St Street S.E., T2G 1B1 Calgary, Alberta, Canada
Phone
403-267-2014
Fiscal year end
December 31
All SEC filings
View on sec.gov
Transalta Corp has filed 1,029 SEC EDGAR filings since 10/26/2001

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open Document Open Filing Nov 13, 2025 005-79749
SCHEDULE 13G/A Open Document Open Filing Nov 7, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Nov 6, 2025 Nov 6, 2025 001-15214
6-K Open Document Open Filing 6-K Nov 6, 2025 Sep 30, 2025 001-15214
6-K Open Document Open Filing 6-K Nov 6, 2025 Nov 6, 2025 001-15214
SCHEDULE 13G/A Open Document Open Filing Nov 5, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Oct 22, 2025 Oct 22, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Oct 8, 2025 Oct 8, 2025 001-15214
SCHEDULE 13G/A Open Document Open Filing Oct 7, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Sep 18, 2025 Sep 18, 2025 001-15214
SCHEDULE 13G Open Document Open Filing Aug 14, 2025 005-79749
SCHEDULE 13G Open Document Open Filing Aug 6, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Aug 1, 2025 Aug 1, 2025 001-15214
6-K Open Document Open Filing 6-K Aug 1, 2025 Jun 30, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Jul 30, 2025 Jul 29, 2025 001-15214
SCHEDULE 13G Open Document Open Filing Jul 9, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Jul 3, 2025 Jul 3, 2025 001-15214
6-K Open Document Open Filing FORM 6-K May 28, 2025 May 27, 2025 001-15214
SCHEDULE 13G Open Document Open Filing May 7, 2025 005-79749
6-K Open Document Open Filing FORM 6-K May 7, 2025 May 7, 2025 001-15214
6-K Open Document Open Filing 6-K May 7, 2025 Mar 31, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Apr 24, 2025 Apr 24, 2025 001-15214
6-K Open Document Open Filing 6-K Apr 24, 2025 Apr 24, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Apr 23, 2025 Apr 23, 2025 001-15214
SCHEDULE 13G/A Open Document Open Filing Apr 15, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Apr 10, 2025 Apr 8, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Mar 31, 2025 Mar 28, 2025 001-15214
6-K Open Document Open Filing FORM 6-K Mar 26, 2025 Mar 26, 2025 001-15214
6-K Open Document Open Filing 6-K Mar 25, 2025 Mar 7, 2025 001-15214
SCHEDULE 13G Open Document Open Filing Feb 25, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Feb 20, 2025 Feb 20, 2025 001-15214
6-K Open Document Open Filing 6-K Feb 20, 2025 Dec 31, 2024 001-15214
40-F Open Document | Data Open Filing 40-F Feb 20, 2025 Dec 31, 2024 001-15214
SCHEDULE 13G/A Open Document Open Filing Feb 12, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Jan 16, 2025 Jan 16, 2025 001-15214
SCHEDULE 13D/A Open Document Open Filing Jan 8, 2025 005-79749
6-K Open Document Open Filing FORM 6-K Dec 10, 2024 Dec 9, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Dec 4, 2024 Dec 4, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Nov 14, 2024 Nov 14, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Nov 5, 2024 Nov 5, 2024 001-15214
6-K Open Document Open Filing 6-K Nov 5, 2024 Sep 30, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Oct 23, 2024 Oct 23, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Oct 4, 2024 Oct 4, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Sep 17, 2024 Sep 17, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Sep 3, 2024 Sep 3, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Aug 22, 2024 Aug 22, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Aug 1, 2024 Aug 1, 2024 001-15214
6-K Open Document Open Filing 6-K Aug 1, 2024 Jun 30, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Jul 30, 2024 Jul 29, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Jul 5, 2024 Jul 4, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Jun 25, 2024 Jun 24, 2024 001-15214
6-K Open Document Open Filing FORM 6-K May 28, 2024 May 27, 2024 001-15214
6-K Open Document Open Filing FORM 6-K May 21, 2024 May 21, 2024 001-15214
6-K Open Document Open Filing FORM 6-K May 3, 2024 May 3, 2024 001-15214
6-K Open Document Open Filing 6-K May 3, 2024 Mar 31, 2024 001-15214
6-K Open Document Open Filing 6-K Apr 26, 2024 Apr 30, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Apr 25, 2024 Apr 25, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Apr 25, 2024 Apr 24, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Apr 24, 2024 Apr 24, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Apr 19, 2024 Apr 19, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Apr 5, 2024 Mar 28, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Mar 22, 2024 Mar 22, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Mar 20, 2024 Mar 15, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Feb 23, 2024 Feb 23, 2024 001-15214
6-K Open Document Open Filing 6-K Feb 23, 2024 Dec 31, 2023 001-15214
40-F Open Document | Data Open Filing 40-F Feb 23, 2024 Dec 31, 2023 001-15214
SC 13G/A Open Document Open Filing SC 13G/A Feb 9, 2024 005-79749
6-K Open Document Open Filing FORM 6-K Jan 22, 2024 Jan 22, 2024 001-15214
6-K Open Document Open Filing 6-K Jan 4, 2024 Jan 3, 2024 001-15214
6-K Open Document Open Filing FORM 6-K Dec 19, 2023 Dec 19, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Dec 13, 2023 Dec 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Nov 24, 2023 Nov 22, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Nov 24, 2023 Nov 21, 2023 001-15214
SC 13D/A Open Document Open Filing SC 13D/A Nov 9, 2023 005-79749
6-K Open Document Open Filing FORM 6-K Nov 7, 2023 Nov 7, 2023 001-15214
6-K Open Document Open Filing 6-K Nov 7, 2023 Sep 30, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Nov 2, 2023 Nov 2, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Nov 2, 2023 Oct 30, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Oct 26, 2023 Oct 19, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Oct 13, 2023 Oct 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Oct 12, 2023 Oct 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Oct 5, 2023 Oct 5, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Sep 14, 2023 Sep 14, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Aug 8, 2023 Aug 4, 2023 001-15214
6-K Open Document Open Filing 6-K Aug 4, 2023 Jun 30, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Jul 27, 2023 Jul 27, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Jul 18, 2023 Jul 17, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Jul 11, 2023 Jul 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Jul 5, 2023 Jul 5, 2023 001-15214
6-K Open Document Open Filing FORM 6-K May 26, 2023 May 26, 2023 001-15214
EFFECT Open Document Open Filing May 18, 2023 333-271953
F-X Open Document Open Filing F-X May 16, 2023 333-271953
F-10 Open Document Open Filing F-10 May 16, 2023 333-271953
6-K Open Document Open Filing 6-K May 11, 2023 May 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K May 5, 2023 May 5, 2023 001-15214
6-K Open Document Open Filing 6-K May 5, 2023 Mar 31, 2023 001-15214
6-K Open Document Open Filing 6-K May 1, 2023 Apr 28, 2023 001-15214
6-K Open Document Open Filing FORM 6-K May 1, 2023 Apr 28, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Apr 28, 2023 Apr 27, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Apr 12, 2023 Apr 11, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Mar 28, 2023 Mar 27, 2023 001-15214
6-K Open Document Open Filing 6-K Mar 24, 2023 Mar 23, 2023 001-15214
6-K/A Open Document Open Filing 6-K/A Mar 10, 2023 Dec 31, 2022 001-15214
6-K/A Open Document Open Filing 6-K/A Feb 24, 2023 Dec 31, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Feb 23, 2023 Feb 23, 2023 001-15214
6-K Open Document Open Filing 6-K Feb 23, 2023 Dec 31, 2022 001-15214
40-F Open Document | Data Open Filing 40-F Feb 23, 2023 Dec 31, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Feb 17, 2023 Feb 16, 2023 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 6 Feb 14, 2023 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 10, 2023 005-79749
SC 13G/A Open Document Open Filing BANK OF MONTREAL Feb 6, 2023 005-79749
6-K Open Document Open Filing 6-K Jan 24, 2023 Jan 23, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Jan 24, 2023 Jan 23, 2023 001-15214
6-K Open Document Open Filing FORM 6-K Dec 15, 2022 Dec 15, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Dec 13, 2022 Dec 12, 2022 001-15214
6-K Open Document Open Filing 6-K Nov 18, 2022 Nov 17, 2022 001-15214
6-K Open Document Open Filing 6-K Nov 16, 2022 Nov 15, 2022 001-15214
SUPPL Open Document Open Filing SUPPL Nov 16, 2022 333-257098
6-K Open Document Open Filing FORM 6-K Nov 15, 2022 Nov 14, 2022 001-15214
FWP Open Document Open Filing FWP Nov 14, 2022 333-257098
SUPPL Open Document Open Filing SUPPL Nov 14, 2022 333-257098
6-K Open Document Open Filing FORM 6-K Nov 14, 2022 Nov 14, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Nov 8, 2022 Nov 8, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Nov 8, 2022 Nov 8, 2022 001-15214
6-K Open Document Open Filing 6-K Nov 8, 2022 Sep 30, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Oct 12, 2022 Oct 11, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Sep 21, 2022 Sep 21, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Sep 2, 2022 Aug 31, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Aug 5, 2022 Aug 5, 2022 001-15214
6-K Open Document Open Filing 6-K Aug 5, 2022 Jun 30, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jul 28, 2022 Jul 27, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jul 12, 2022 Jul 12, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jul 12, 2022 Jul 6, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jun 21, 2022 Jun 20, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jun 17, 2022 Jun 16, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jun 10, 2022 Jun 9, 2022 001-15214
6-K Open Document Open Filing FORM 6-K May 31, 2022 May 31, 2022 001-15214
6-K Open Document Open Filing FORM 6-K May 24, 2022 May 24, 2022 001-15214
6-K Open Document Open Filing FORM 6-K May 6, 2022 May 6, 2022 001-15214
6-K Open Document Open Filing 6-K May 6, 2022 Mar 31, 2022 001-15214
SC 13G Open Document Open Filing SC 13G May 3, 2022 005-79749
6-K Open Document Open Filing FORM 6-K May 2, 2022 Apr 29, 2022 001-15214
6-K Open Document Open Filing FORM 6-K May 2, 2022 Apr 29, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Apr 29, 2022 Apr 28, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Apr 28, 2022 Apr 27, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Apr 15, 2022 Apr 12, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Apr 5, 2022 Apr 5, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Mar 25, 2022 Apr 28, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Mar 24, 2022 Mar 23, 2022 001-15214
6-K Open Document Open Filing 6-K Mar 8, 2022 Dec 31, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Feb 24, 2022 Feb 24, 2022 001-15214
6-K Open Document Open Filing 6-K Feb 24, 2022 Dec 31, 2021 001-15214
40-F Open Document | Data Open Filing 40-F Feb 24, 2022 Dec 31, 2021 001-15214
SC 13G/A Open Document Open Filing BANK OF MONTREAL Feb 15, 2022 005-79749
SC 13G/A Open Document Open Filing AMENDMENT NO. 5 Feb 14, 2022 005-79749
6-K Open Document Open Filing FORM 6-K Feb 1, 2022 Feb 1, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jan 24, 2022 Jan 24, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Jan 18, 2022 Jan 18, 2022 001-15214
6-K Open Document Open Filing FORM 6-K Dec 29, 2021 Dec 29, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Dec 22, 2021 Dec 22, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Dec 15, 2021 Dec 14, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Dec 14, 2021 Dec 13, 2021 001-15214
S-8 Open Document Open Filing FORM S-8 Nov 10, 2021 333-260935
6-K Open Document Open Filing FORM 6-K Nov 9, 2021 Nov 9, 2021 001-15214
6-K Open Document Open Filing 6-K Nov 9, 2021 Sep 30, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Nov 5, 2021 Nov 5, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Nov 2, 2021 Nov 1, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Oct 7, 2021 Oct 6, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Sep 30, 2021 Sep 28, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Aug 31, 2021 Aug 31, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Aug 10, 2021 Aug 10, 2021 001-15214
6-K Open Document Open Filing 6-K Aug 10, 2021 Jun 30, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Aug 6, 2021 Aug 5, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Jul 19, 2021 Jul 19, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Jul 14, 2021 Jul 13, 2021 001-15214
EFFECT Open Document Open Filing Jun 30, 2021 333-257098
6-K Open Document Open Filing FORM 6-K Jun 30, 2021 Jun 30, 2021 001-15214
F-10/A Open Document Open Filing F-10/A Jun 29, 2021 333-257098
F-X Open Document Open Filing F-X Jun 15, 2021 333-257098
F-10 Open Document Open Filing F-10 Jun 15, 2021 333-257098
6-K Open Document Open Filing FORM 6-K May 26, 2021 May 25, 2021 001-15214
6-K Open Document Open Filing FORM 6-K May 13, 2021 May 13, 2021 001-15214
6-K Open Document Open Filing 6-K May 13, 2021 Mar 31, 2021 001-15214
6-K Open Document Open Filing FORM 6-K May 5, 2021 May 4, 2021 001-15214
6-K Open Document Open Filing FORM 6-K May 4, 2021 May 3, 2021 001-15214
6-K Open Document Open Filing FORM 6-K May 4, 2021 May 3, 2021 001-15214
6-K Open Document Open Filing FORM 6-K May 3, 2021 May 3, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Apr 30, 2021 Apr 29, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Apr 22, 2021 Apr 21, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Apr 21, 2021 Apr 20, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Mar 30, 2021 Mar 2, 2021 001-15214
6-K/A Open Document Open Filing FORM 6-K/A Mar 30, 2021 May 4, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Mar 29, 2021 Mar 29, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Mar 29, 2021 May 4, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Mar 19, 2021 Mar 18, 2021 001-15214
SC 13D/A Open Document Open Filing SC 13D/A Mar 11, 2021 005-79749
6-K Open Document Open Filing FORM 6-K Mar 3, 2021 Mar 3, 2021 001-15214
6-K Open Document Open Filing 6-K Mar 3, 2021 Dec 31, 2020 001-15214
40-F Open Document | Data Open Filing 40-F Mar 3, 2021 Dec 31, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Mar 2, 2021 Mar 1, 2021 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 4 Feb 16, 2021 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 12, 2021 005-79749
SC 13G/A Open Document Open Filing Feb 11, 2021 005-79749
6-K Open Document Open Filing FORM 6-K Feb 8, 2021 Feb 8, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Feb 5, 2021 Feb 4, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Feb 1, 2021 Feb 1, 2021 001-15214
6-K Open Document Open Filing FORM 6-K Dec 28, 2020 Dec 23, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Dec 14, 2020 Dec 14, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Dec 8, 2020 Dec 8, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Dec 2, 2020 Dec 1, 2020 001-15214
SC 13D/A Open Document Open Filing SC 13D/A Nov 4, 2020 005-79749
6-K Open Document Open Filing FORM 6-K Nov 4, 2020 Nov 4, 2020 001-15214
6-K Open Document Open Filing 6-K Nov 4, 2020 Sep 30, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Nov 3, 2020 Nov 3, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Oct 30, 2020 Oct 30, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Oct 16, 2020 Oct 9, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Oct 13, 2020 Oct 9, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Oct 1, 2020 Oct 1, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Jul 31, 2020 Jul 31, 2020 001-15214
6-K Open Document Open Filing 6-K Jul 31, 2020 Jun 30, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Jul 23, 2020 Jul 22, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Jul 23, 2020 Jul 22, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Jul 13, 2020 Jul 10, 2020 001-15214
6-K Open Document Open Filing FORM 6-K May 26, 2020 May 26, 2020 001-15214
6-K Open Document Open Filing FORM 6-K May 12, 2020 May 12, 2020 001-15214
6-K Open Document Open Filing 6-K May 12, 2020 Mar 31, 2020 001-15214
SC 13D/A Open Document Open Filing SC 13D/A Apr 23, 2020 005-79749
6-K Open Document Open Filing FORM 6-K Apr 22, 2020 Apr 21, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Apr 21, 2020 Apr 20, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Apr 20, 2020 Apr 20, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Apr 7, 2020 Apr 7, 2020 001-15214
6-K Open Document Open Filing 6-K Apr 6, 2020 Apr 3, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Apr 6, 2020 Apr 3, 2020 001-15214
6-K/A Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER FOR THE MONTH OF MARCH, 2020 Mar 26, 2020 Apr 21, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Mar 20, 2020 Mar 20, 2020 001-15214
6-K Open Document Open Filing 6-K Mar 20, 2020 Mar 3, 2020 001-15214
6-K Open Document Open Filing 6-K Mar 20, 2020 Mar 9, 2020 001-15214
SC 13D/A Open Document Open Filing SC 13D/A Mar 19, 2020 005-79749
6-K Open Document Open Filing FORM 6-K Mar 17, 2020 Mar 17, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Mar 12, 2020 Mar 12, 2020 001-15214
S-8 Open Document Open Filing FORM S-8 Mar 5, 2020 333-236894
6-K Open Document Open Filing FORM 6-K Mar 4, 2020 Mar 4, 2020 001-15214
6-K Open Document Open Filing 6-K Mar 4, 2020 Dec 31, 2019 001-15214
40-F Open Document | Data Open Filing 40-F Mar 4, 2020 Dec 31, 2019 001-15214
SC 13D Open Document Open Filing SC 13D Mar 2, 2020 005-79749
6-K Open Document Open Filing FORM 6-K Feb 19, 2020 Feb 18, 2020 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 3 Feb 14, 2020 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2020 005-79749
SC 13G Open Document Open Filing SCHEDULE 13G HOLDINGS REPORT Feb 10, 2020 005-79749
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER FOR THE MONTH OF FEBRUARY, 2020 Feb 10, 2020 Feb 7, 2020 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO THE SCHEDULE 13G Jan 24, 2020 005-79749
6-K Open Document Open Filing FORM 6-K Jan 17, 2020 Jan 16, 2020 001-15214
6-K Open Document Open Filing FORM 6-K Dec 18, 2019 Dec 17, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Nov 7, 2019 Nov 7, 2019 001-15214
6-K Open Document Open Filing 6-K Nov 7, 2019 Sep 30, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Oct 31, 2019 Oct 30, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Oct 10, 2019 Oct 9, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Oct 9, 2019 Oct 9, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Oct 2, 2019 Oct 1, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Sep 17, 2019 Sep 17, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Sep 16, 2019 Sep 16, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Aug 30, 2019 Aug 30, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Aug 27, 2019 Aug 26, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Aug 9, 2019 Aug 9, 2019 001-15214
6-K Open Document Open Filing 6-K Aug 9, 2019 Jun 30, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Aug 2, 2019 Aug 2, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Jul 25, 2019 Jul 25, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Jul 17, 2019 Jul 16, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Jul 10, 2019 Jul 9, 2019 001-15214
6-K Open Document Open Filing FORM 6-K May 28, 2019 May 27, 2019 001-15214
EFFECT Open Document Open Filing May 23, 2019 333-229991
6-K Open Document Open Filing FORM 6-K May 23, 2019 May 23, 2019 001-15214
F-10/A Open Document Open Filing F-10/A May 22, 2019 333-229991
6-K Open Document Open Filing FORM 6-K May 20, 2019 May 17, 2019 001-15214
6-K Open Document Open Filing FORM 6-K May 14, 2019 May 14, 2019 001-15214
6-K Open Document Open Filing 6-K May 14, 2019 Mar 31, 2019 001-15214
6-K Open Document Open Filing FORM 6-K May 2, 2019 May 1, 2019 001-15214
40FR12B/A Open Document Open Filing AMENDMENT NO. 1 Apr 29, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 29, 2019 Apr 26, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 26, 2019 Apr 26, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 24, 2019 Apr 23, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 23, 2019 Apr 17, 2019 001-15214
SC 13G Open Document Open Filing APRIL 19, 2019 Apr 22, 2019 005-79749
SC 13D/A Open Document Open Filing APRIL 18, 2019 Apr 19, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Apr 17, 2019 Apr 17, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 16, 2019 Apr 15, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 16, 2019 Apr 15, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 15, 2019 Apr 12, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 12, 2019 Apr 11, 2019 001-15214
SC 13D/A Open Document Open Filing APRIL 11, 2019 Apr 11, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Apr 10, 2019 Apr 9, 2019 001-15214
SC 13D/A Open Document Open Filing APRIL 9, 2019 Apr 10, 2019 005-79749
6-K Open Document Open Filing 6-K Apr 2, 2019 Apr 2, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 2, 2019 Apr 2, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 2, 2019 Apr 1, 2019 001-15214
6-K Open Document Open Filing 6-K Apr 1, 2019 Apr 1, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Apr 1, 2019 Apr 1, 2019 001-15214
6-K Open Document Open Filing 6-K Apr 1, 2019 Apr 24, 2019 001-15214
SC 13D/A Open Document Open Filing MARCH 25, 2019 Mar 27, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Mar 27, 2019 Mar 27, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Mar 26, 2019 Mar 25, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Mar 26, 2019 Mar 26, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Mar 25, 2019 Mar 25, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Mar 18, 2019 Mar 15, 2019 001-15214
SC 13D/A Open Document Open Filing MARCH 15, 2019 Mar 15, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Mar 15, 2019 Mar 14, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Mar 11, 2019 Mar 8, 2019 001-15214
F-X Open Document Open Filing F-X Mar 1, 2019 333-229991
F-10 Open Document Open Filing F-10 Mar 1, 2019 333-229991
F-X/A Open Document Open Filing F-X/A Feb 27, 2019 333-162418
F-X/A Open Document Open Filing F-X/A Feb 27, 2019 333-137846
F-X/A Open Document Open Filing F-X/A Feb 27, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Feb 27, 2019 Feb 27, 2019 001-15214
6-K Open Document Open Filing 6-K Feb 27, 2019 Dec 31, 2018 001-15214
40-F Open Document | Data Open Filing 40-F Feb 27, 2019 Dec 31, 2018 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 Feb 14, 2019 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2019 005-79749
SC 13G/A Open Document Open Filing Feb 12, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Feb 7, 2019 Feb 6, 2019 001-15214
6-K Open Document Open Filing FORM 6-K Jan 25, 2019 Jan 25, 2019 001-15214
SC 13G Open Document Open Filing JANUARY 18, 2019 Jan 18, 2019 005-79749
6-K Open Document Open Filing FORM 6-K Dec 18, 2018 Dec 17, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Dec 14, 2018 Dec 14, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Nov 13, 2018 Nov 13, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Oct 31, 2018 Oct 31, 2018 001-15214
6-K Open Document Open Filing 6-K Oct 31, 2018 Sep 30, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Oct 11, 2018 Oct 10, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Oct 2, 2018 Oct 2, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Aug 3, 2018 Aug 3, 2018 001-15214
6-K Open Document Open Filing 6-K Aug 3, 2018 Jun 30, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Jul 20, 2018 Jul 18, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Jul 20, 2018 Jul 19, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Jul 18, 2018 Jul 18, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Jul 5, 2018 Jul 5, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Jun 1, 2018 May 31, 2018 001-15214
6-K Open Document Open Filing FORM 6-K May 8, 2018 May 8, 2018 001-15214
6-K Open Document Open Filing 6-K May 8, 2018 Mar 31, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Apr 23, 2018 Apr 20, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Apr 20, 2018 Apr 19, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Apr 9, 2018 Apr 6, 2018 001-15214
6-K Open Document Open Filing 6-K Mar 22, 2018 Mar 6, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Mar 13, 2018 Mar 12, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Mar 9, 2018 Mar 9, 2018 001-15214
6-K Open Document Open Filing 6-K Mar 5, 2018 Dec 31, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Mar 2, 2018 Mar 1, 2018 001-15214
40-F Open Document | Data Open Filing 40-F Mar 2, 2018 Dec 31, 2017 001-15214
6-K/A Open Document Open Filing FORM 6-K/A Feb 21, 2018 Feb 20, 2018 001-15214
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 Feb 14, 2018 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2018 005-79749
6-K Open Document Open Filing FORM 6-K Feb 9, 2018 Feb 9, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Feb 6, 2018 Feb 6, 2018 001-15214
SC 13G/A Open Document Open Filing 13G/A Feb 5, 2018 005-79749
6-K Open Document Open Filing FORM 6-K Feb 2, 2018 Feb 2, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Feb 2, 2018 Feb 2, 2018 001-15214
6-K Open Document Open Filing FORM 6-K Dec 18, 2017 Dec 15, 2017 001-15214
SC 13G Open Document Open Filing Dec 11, 2017 005-79749
6-K Open Document Open Filing FORM 6-K Dec 8, 2017 Dec 8, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Dec 7, 2017 Dec 6, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Dec 7, 2017 Dec 6, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Nov 14, 2017 Nov 13, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Nov 2, 2017 Oct 31, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Nov 1, 2017 Oct 31, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Oct 31, 2017 Oct 30, 2017 001-15214
UPLOAD Open Document Open Filing Oct 4, 2017
6-K Open Document Open Filing FORM 6-K Oct 3, 2017 Oct 3, 2017 001-15214
CORRESP Open Document Open Filing Sep 21, 2017
6-K Open Document Open Filing FORM 6-K Sep 18, 2017 Sep 18, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Sep 18, 2017 Sep 17, 2017 001-15214
UPLOAD Open Document Open Filing Sep 8, 2017
6-K Open Document Open Filing FORM 6-K Aug 31, 2017 Aug 31, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Aug 10, 2017 Aug 9, 2017 001-15214
6-K Open Document | Data Open Filing FORM 6-K Aug 1, 2017 Aug 1, 2017 001-15214
6-K Open Document | Data Open Filing FORM 6-K Jul 19, 2017 Jul 18, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Jul 14, 2017 Jul 13, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Jul 11, 2017 Jul 11, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Jul 5, 2017 Jul 5, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Jun 19, 2017 Jun 16, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Jun 5, 2017 May 31, 2017 001-15214
6-K Open Document Open Filing FORM 6-K May 8, 2017 May 5, 2017 001-15214
6-K Open Document Open Filing FORM 6-K May 8, 2017 May 5, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Apr 21, 2017 Apr 20, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Apr 21, 2017 Apr 19, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Apr 21, 2017 Apr 19, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Apr 10, 2017 Apr 7, 2017 001-15214
6-K Open Document Open Filing 6-K Mar 22, 2017 Mar 21, 2017 001-15214
6-K Open Document Open Filing 6-K Mar 6, 2017 Dec 31, 2016 001-15214
40-F Open Document Open Filing 40-F Mar 3, 2017 Dec 31, 2016 001-15214
6-K Open Document Open Filing FORM 6-K Mar 3, 2017 Mar 3, 2017 001-15214
6-K Open Document Open Filing FORM 6-K Feb 22, 2017 Feb 10, 2017 001-15214
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 3 Feb 14, 2017 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2017 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 9, 2017 Feb 9, 2017 001-15214
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT Feb 6, 2017 005-79749
6-K Open Document Open Filing FORM 6-K Feb 2, 2017 Feb 2, 2017 001-15214
F-10/A Open Document Open Filing F-10/A Jan 27, 2017 333-215608
6-K Open Document Open Filing FORM 6-K Jan 27, 2017 Jan 26, 2017 001-15214
F-X Open Document Open Filing F-X Jan 18, 2017 333-215608
F-10 Open Document Open Filing F-10 Jan 18, 2017 333-215608
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 18, 2017 Jan 17, 2017 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 13, 2017 Jan 13, 2017 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 29, 2016 Dec 29, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 20, 2016 Dec 19, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 20, 2016 Dec 19, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 19, 2016 Dec 19, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 13, 2016 Dec 13, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Dec 2, 2016 Dec 2, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 29, 2016 Nov 28, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 25, 2016 Nov 25, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 22, 2016 Nov 21, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 21, 2016 Nov 21, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 7, 2016 Nov 4, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Oct 18, 2016 Oct 17, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Sep 30, 2016 Sep 30, 2016 001-15214
UPLOAD Open Document Open Filing Sep 1, 2016
CORRESP Open Document Open Filing Aug 16, 2016
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Aug 9, 2016 Jun 30, 2016 001-15214
UPLOAD Open Document Open Filing Aug 3, 2016
CORRESP Open Document Open Filing Jul 26, 2016
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 20, 2016 Jul 19, 2016 001-15214
UPLOAD Open Document Open Filing Jul 12, 2016
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 1, 2016 Jun 30, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K May 4, 2016 Mar 31, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 26, 2016 Apr 22, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Apr 25, 2016 Apr 22, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Apr 22, 2016 Apr 22, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Apr 22, 2016 Apr 21, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Apr 6, 2016 Apr 5, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Mar 31, 2016 Mar 31, 2016 001-15214
6-K Open Document | Data Open Filing 6-K Mar 31, 2016 Mar 31, 2016 001-15214
6-K Open Document | Data Open Filing TRANSALTA CORPORATION - 6-K Mar 17, 2016 Mar 17, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Mar 8, 2016 Mar 8, 2016 001-15214
6-K/A Open Document Open Filing TRANSALTA CORPORATION - 6-K/A Mar 2, 2016 Mar 1, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Mar 1, 2016 Feb 16, 2016 001-15214
6-K Open Document Open Filing 6-K Feb 29, 2016 Feb 29, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 18, 2016 Feb 16, 2016 001-15214
40-F Open Document Open Filing 40-F Feb 18, 2016 Dec 31, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 17, 2016 Feb 16, 2016 001-15214
SC 13G/A Open Document Open Filing SC 13G/A Feb 17, 2016 005-79749
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2016 005-79749
SC 13G/A Open Document Open Filing SCHEDULE 13G HOLDINGS REPORT AMENDMENT Feb 5, 2016 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Jan 19, 2016 Jan 19, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 15, 2016 Jan 14, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 7, 2016 Jan 6, 2016 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 30, 2015 Oct 29, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 24, 2015 Nov 23, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Nov 2, 2015 Sep 30, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 30, 2015 Oct 29, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 2, 2015 Oct 2, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION Oct 1, 2015 Oct 1, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 1, 2015 Sep 30, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 1, 2015 Sep 30, 2015 001-15214
SC 13G Open Document Open Filing SC 13G Sep 21, 2015 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 30, 2015 Jun 30, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 28, 2015 Jul 27, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION Jul 27, 2015 Jul 27, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 21, 2015 Jul 21, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 8, 2015 Jul 7, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jun 30, 2015 Jun 30, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K May 8, 2015 May 8, 2015 001-15214
6-K Open Document Open Filing PRESS RELEASE DATED APRIL 29, 2015 ANNOUNCING TRANSALTA SHAREHOLDERS APPROVE ALL Apr 29, 2015 Apr 29, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 28, 2015 Mar 31, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 28, 2015 Apr 27, 2015 001-15214
SC 13G/A Open Document Open Filing Apr 10, 2015 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 8, 2015 Apr 7, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Mar 23, 2015 Mar 23, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6K Mar 20, 2015 Mar 19, 2015 001-15214
6-K Open Document Open Filing 6-K Mar 10, 2015 Mar 9, 2015 001-15214
6-K Open Document Open Filing 6-K Feb 27, 2015 Feb 27, 2015 001-15214
6-K Open Document Open Filing 6-K Feb 19, 2015 Feb 19, 2015 001-15214
40-F Open Document Open Filing 40-F Feb 19, 2015 Dec 31, 2014 001-15214
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2015 005-79749
SC 13G Open Document Open Filing SCHEDULE 13G HOLDINGS REPORT Feb 10, 2015 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 5, 2015 Feb 5, 2015 001-15214
SC 13G/A Open Document Open Filing Feb 2, 2015 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Jan 26, 2015 Jan 23, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 22, 2015 Jan 22, 2015 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6K Jan 8, 2015 Jan 8, 2015 001-15214
EFFECT Open Document Open Filing Dec 18, 2014 333-200773
F-10/A Open Document Open Filing F-10/A Dec 17, 2014 333-200773
F-X Open Document Open Filing F-X Dec 5, 2014 333-200773
F-10 Open Document Open Filing F-10 Dec 5, 2014 333-200773
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 31, 2014 Oct 30, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 30, 2014 Oct 29, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 30, 2014 Oct 29, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Oct 8, 2014 Oct 7, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Sep 16, 2014 Sep 16, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Aug 27, 2014 Aug 26, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Aug 15, 2014 Aug 15, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Aug 6, 2014 Aug 6, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 30, 2014 Jul 30, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 28, 2014 Jul 28, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jul 23, 2014 Jul 22, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jun 26, 2014 Jun 26, 2014 001-15214
UPLOAD Open Document Open Filing Jun 18, 2014
CORRESP Open Document Open Filing Jun 17, 2014
UPLOAD Open Document Open Filing Jun 11, 2014
6-K Open Document Open Filing 6-K May 30, 2014 May 30, 2014 001-15214
SUPPL Open Document Open Filing SUPPL May 30, 2014 333-185157
FWP Open Document Open Filing FWP May 29, 2014 333-185157
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K May 29, 2014 May 29, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K May 29, 2014 May 29, 2014 001-15214
SUPPL Open Document Open Filing SUPPL May 29, 2014 333-185157
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K May 1, 2014 Apr 30, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 30, 2014 Mar 31, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Apr 29, 2014 Apr 29, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Apr 29, 2014 Apr 28, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 16, 2014 Apr 15, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Apr 11, 2014 Apr 10, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Apr 7, 2014 Apr 4, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Mar 19, 2014 Mar 18, 2014 001-15214
6-K/A Open Document Open Filing 6-K/A Mar 13, 2014 Mar 13, 2014 001-15214
6-K Open Document Open Filing 6-K Mar 10, 2014 Mar 10, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 26, 2014 Feb 26, 2014 001-15214
6-K Open Document Open Filing 6-K Feb 20, 2014 Feb 20, 2014 001-15214
6-K Open Document Open Filing 6-K Feb 20, 2014 Feb 20, 2013 001-15214
40-F Open Document Open Filing 40-F Feb 20, 2014 Dec 31, 2013 001-15214
SC 13G Open Document Open Filing SC 13G Feb 14, 2014 005-79749
SC 13G/A Open Document Open Filing Feb 13, 2014 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Feb 7, 2014 Feb 7, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION 6-K Feb 5, 2014 Feb 5, 2014 001-15214
6-K Open Document Open Filing TRANSALTA CORPORATION - 6 - K Feb 5, 2014 Feb 4, 2014 001-15214
SC 13G Open Document Open Filing Feb 3, 2014 005-79749
6-K Open Document Open Filing TRANSALTA CORPORATION - 6-K Jan 16, 2014 Jan 15, 2014 001-15214