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.
The SEC filings page for TRANSALTA CORP PFD E (TSLTF) aggregates U.S. regulatory documents submitted by TransAlta Corporation that are relevant to this preferred share series. As a foreign private issuer and Form 40-F filer, TransAlta reports current information primarily through Form 6-K, and references a cross-border registration statement on Form F-10.
Among the filings, investors will find a Form 6-K that identifies a Second Supplemental Indenture dated December 22, 2025, filed as Exhibit 99.1 and incorporated by reference into the Form F-10 registration statement. Supplemental indentures are key documents for understanding how specific securities, including preferred shares, are governed under existing trust indentures.
Other Form 6-K reports provide insight into the issuer’s operations and asset portfolio, which are important when assessing the credit profile behind the TRANSALTA CORP PFD E series. These include filings describing TransAlta’s notice to mothball Sheerness Unit 1, a long-term agreement for 700 MW at the Centralia facility enabling coal to natural gas conversion, and the planned acquisition of a 310 MW contracted Ontario gas portfolio. Each filing offers details on commitments and changes that can influence the company’s overall financial and operational position.
The filings set also covers governance disclosures, such as the Form 6-K announcing president and CEO succession. Leadership and governance information can be relevant to preferred shareholders evaluating how the company is managed.
On Stock Titan, these filings are presented with AI-powered summaries that explain the main points of each document, helping users interpret complex legal and technical language. Real-time updates from EDGAR ensure that new Form 6-K submissions, supplemental indentures, and other key exhibits related to TransAlta Corporation and the TSLTF preferred shares are accessible as they are filed.
TransAlta Corporation is convening its 2026 annual and special shareholder meeting on April 30, 2026 at 11:30 a.m. Mountain Time in a virtual-only format. Holders of common shares as of March 12, 2026 can attend online, ask questions and vote.
Shareholders will elect nine directors, consider reappointing Ernst & Young LLP as auditors, vote on a non-binding advisory resolution on executive compensation, and decide on an increase in common shares issuable under the Share Unit Plan. The materials are delivered primarily via electronic Notice-and-Access, with paper copies available on request.
The filing also highlights leadership changes: President and CEO John Kousinioris will retire on April 30, 2026, and current CFO Joel Hunter will become President and CEO and, subject to election, join the Board on that date.
TransAlta Corporation filed a Form 6-K highlighting its 2026 Investor Day, where leaders outlined expectations for Alberta’s power market, strategy and growth plans. Management anticipates the Alberta market will recover meaningfully through the end of the decade, helped by rising demand including new data centre load.
The company emphasized that its existing assets and development platform position it to capture this growth, including a recently announced memorandum of understanding to supply power and land for a CPP Investments and Brookfield data centre project. Priorities include maximizing value from the base business, selectively investing in opportunities that enhance contracted cash flows, and pursuing strategic M&A.
TransAlta is focusing on executing Alberta data centre and Centralia opportunities and building a refined project pipeline for later in the decade. It expects meaningful Adjusted EBITDA and free cash flow growth to 2029. The filing also notes the leadership transition as Joel Hunter becomes President and Chief Executive Officer as John Kousinioris retires.
TransAlta Corporation reports final conversion results for its Series A and Series B preferred shares effective March 31, 2026. None of the 9,629,913 outstanding Cumulative Redeemable Rate Reset First Preferred Shares, Series A will convert into Series B shares.
In contrast, 1,148,549 of the 2,370,087 outstanding Cumulative Redeemable Floating Rate First Preferred Shares, Series B will convert on a one-for-one basis into Series A shares. After these conversions, 10,778,462 Series A shares and 1,221,538 Series B shares will be issued and outstanding.
TransAlta Corporation reports that its subsidiary, TransAlta Centralia Generation LLC, has received an order from the U.S. Department of Energy requiring Centralia Unit 2 in Washington State to remain available for operation for 90 days, until June 14, 2026.
The company is evaluating the order and plans to work with state and federal governments in relation to it. TransAlta describes itself as one of Canada’s largest publicly traded power generators, with operations in Canada, the United States and Western Australia.
TransAlta Corporation is keeping its Series A and Series B preferred shares outstanding and will not redeem them on March 31, 2026. Holders of the Series A shares can either keep their fixed-rate shares or convert them one-for-one into floating-rate Series B shares on that date, and Series B holders have the mirror choice.
There are 9,629,913 Series A shares and 2,370,087 Series B shares outstanding. Series A will pay a fixed quarterly dividend of 1.19550% (4.78200% annually) from March 31, 2026 to March 31, 2031. Series B will pay a floating quarterly dividend of 1.05236% (4.22100% annually) from March 31, 2026 to June 30, 2026, resetting every quarter. Investors must instruct their brokers by March 16, 2026 to elect conversions, and similar conversion opportunities will recur every five years while the shares remain outstanding.
TransAlta Corporation filed its annual report on Form 40-F, incorporating its Consolidated Audited Annual Financial Statements and Management's Discussion & Analysis for the year ended Dec. 31, 2025. Management concluded its disclosure controls and internal control over financial reporting were effective as of Dec. 31, 2025, and Ernst & Young LLP issued an attestation report. The filing states 296,717,495 common shares issued and outstanding as of Dec. 31, 2025, and discloses principal accountant fees of $5,133,976 for 2025 and $5,396,719 for 2024 (Canadian dollars).
Royal Bank of Canada has disclosed a significant ownership stake in TransAlta Corp common stock. The bank reports beneficial ownership of 22,956,719 shares, representing 7.74% of the outstanding common stock. All of these shares are held with shared voting and shared dispositive power, while Royal Bank of Canada has no sole voting or dispositive power.
The filing states that the securities were acquired and are held in the ordinary course of business and are not intended to change or influence control of TransAlta. Several affiliated entities, including RBC Capital Markets, RBC Global Asset Management and others, are identified as the subsidiaries through which these securities are held.
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 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.