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TransAlta Corporation has filed a Form 6-K announcing logistics for its upcoming earnings communication. The company will release its fourth quarter and full year 2025 results before markets open on February 27, 2026, followed by a conference call and webcast at 9:00 a.m. Mountain Time (11:00 a.m. ET).
The call will cover both the results and TransAlta’s 2026 annual guidance and is open to investors, analysts, media and other interested parties via online registration and webcast. Replay and transcript access will be provided through the company’s website.
TransAlta Corporation filed a Form 6-K as a foreign private issuer for December 2025. The filing states that Exhibit 99.1, a Second Supplemental Indenture dated December 22, 2025, is incorporated by reference into TransAlta’s existing Form F-10 shelf registration statement.
TransAlta Corporation filed a Form 6-K as a foreign private issuer for December 2025. The report indicates that the company furnished an exhibit titled “TransAlta Provides Notice to Mothball Sheerness Unit 1,” signaling a planned change in the status of that generating unit. The filing was signed by Joel Hunter, Executive Vice President Finance and Chief Financial Officer.
TransAlta Corporation filed a report as a foreign private issuer. The filing references an exhibit describing that the Department of Energy has mandated that Centralia Unit 2 remain available for operation for 90 days. The report is signed on behalf of TransAlta by Joel Hunter, Executive Vice President Finance and Chief Financial Officer.
TransAlta Corporation filed a Form 6-K as a foreign private issuer for December 2025, primarily to submit an Underwriting Agreement dated December 11, 2025 as Exhibit 99.1. This exhibit is incorporated by reference into TransAlta’s Form F-10 registration statement (File No. 333-292019), with the report signed by Corporate Secretary Kelly Galloway.
TransAlta Corporation filed a Form 6-K as a foreign private issuer for December 2025, indicating it files its annual reports on Form 40-F. The report is signed by Executive Vice President Finance and Chief Financial Officer Joel Hunter on December 12, 2025.
The filing includes an exhibit labeled 99.1 titled “TransAlta Declares Dividends.” This indicates the company has declared dividends and is providing the related details in the attached exhibit for investors and regulators.
TransAlta Corporation filed a Form 6-K noting that it has signed a long-term agreement for 700 MW at its Centralia facility. The agreement is described as enabling a coal-to-natural-gas conversion at the site, indicating a move toward lower-emission power generation. The report is signed by the Executive Vice President Finance and Chief Financial Officer, confirming the company’s authorization of this disclosure.
TransAlta Corporation filed a Form 6-K for November 2025, signed by its Executive Vice President Finance and Chief Financial Officer, Joel Hunter. The report includes an exhibit titled "TransAlta to Acquire 310 MW Contracted Ontario Gas Portfolio for $95 million," indicating a planned acquisition of a sizable, contracted natural gas power portfolio in Ontario. This suggests an expansion of TransAlta's generation assets through a contracted capacity addition of 310 megawatts.
TransAlta Corporation (TAC) received an amended Schedule 13G (Amendment No. 2) from Millennium Management affiliates and Integrated Core Strategies (Asia) Pte. Ltd., reporting passive beneficial ownership as of 09/30/2025.
Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander each report beneficial ownership of 13,115,689 common shares, representing 4.4% of the class, with shared voting and dispositive power. Integrated Core Strategies (Asia) Pte. Ltd. reports 11,672,205 common shares, representing 3.9% of the class, also with shared voting and dispositive power.
The filing includes the standard passive investor certification stating the shares were not acquired to change or influence control.