TransAlta buys Colorado gas plants for US$1 billion, raises $350 million Jun 3, 2026 04:23PM
TransAlta Announces the Acquisition of Two Fully-Contracted Gas Assets in Colorado and Concurrent $350 Million Bought Deal Offering of Common Shares Jun 3, 2026 04:22PM
TransAlta (TA:CN) (TAC) PT Lowered to Cdn$24 at CIBC Apr 16, 2026 11:24AM
Hut 8 sells 310MW power portfolio to TransAlta Nov 17, 2025 06:30AM
Hut 8 Announces Sale of 310 MW Power Portfolio to TransAlta Following Successful Optimization and Long-Term Contract Wins Nov 17, 2025 06:30AM


Nov 14, 2022 07:25AM TransAlta Announces Public Offering of U.S. Senior Green Bonds and Releases Inaugural Green Bond Framework
Feb 11, 2021 06:03AM Form SC 13G/A TRANSALTA CORP Filed by: CIBC Asset Management Inc
Feb 10, 2020 12:07PM Form SC 13G TRANSALTA CORP Filed by: CIBC Asset Management Inc
Sep 17, 2019 04:39AM CIBC Reiterates Neutral Rating on TransAlta (TAC)
Aug 12, 2019 08:21AM CIBC Reiterates Neutral Rating on TransAlta (TAC)
Apr 23, 2019 04:36PM Mangrove Partners Commences Action Against TransAlta
Mar 25, 2019 07:09AM Transalta Corp. (TAC) Announces Strategic Investment by Brookfield Renewable Partners
Mar 25, 2019 07:00AM TransAlta Announces Strategic Investment by Brookfield Renewable Partners
Feb 12, 2019 04:26PM Form SC 13G/A TRANSALTA CORP Filed by: CIBC Asset Management Inc
Feb 5, 2018 04:48PM Form SC 13G/A TRANSALTA CORP Filed by: CIBC Asset Management Inc
Feb 6, 2017 06:06AM Form SC 13G/A TRANSALTA CORP Filed by: CIBC Asset Management Inc
Dec 19, 2016 02:23PM Transalta Corp. (TAC) to Exchange Preferred Shares
Dec 19, 2016 02:12PM TransAlta Corporation Announces Preferred Share Exchange
Feb 5, 2016 05:27PM Form SC 13G/A TRANSALTA CORP Filed by: CIBC Asset Management Inc
Feb 10, 2015 11:59AM Form SC 13G TRANSALTA CORP Filed by: CIBC Asset Management Inc
Feb 21, 2014 07:03AM CIBC Downgrades TransAlta (TAC) to Sector Underperform