Welcome to our dedicated page for Transalta SEC filings (Ticker: TSLTF), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
TransAlta Corp Pfd E filings document TransAlta Corporation's U.S. reporting as a Canadian foreign issuer, including Form 6-K current reports furnished with news releases, MD&A and consolidated interim financial statements prepared under IFRS. The disclosures cover power-fleet operating results, Alberta power-price conditions, hedging activity, contracted portfolio performance, cash flow measures and outlook commentary.
The filing record also includes governance and capital-markets materials, including annual and special meeting notices, proxy-circular references, shareholder voting processes, executive leadership appointments and incorporation of filed exhibits into S-8 and F-10 registration statements.
TransAlta Corporation filed a Form 6-K as a foreign private issuer that files annual reports under Form 40-F. The report, signed by Executive Vice President Finance and Chief Financial Officer Joel Hunter on September 18, 2025, includes Exhibit 99.1 titled “TransAlta to Host 2025 Investor Day.”