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T1 Energy Inc. officer Thomas Mahrer filed an initial ownership report showing beneficial ownership of 75,000 restricted stock units (RSUs) tied to the company’s common stock. The filing reflects his position as Chief Accounting Officer and Corporate Controller.
These RSUs were granted on November 4, 2025 under the T1 Energy 2021 Equity Incentive Plan and vest in three equal annual installments on November 4, 2026, 2027, and 2028. Each RSU represents a right to receive one share of common stock upon settlement, and the units are net settled in shares.
Morgan Stanley has updated its ownership disclosure for T1 Energy Inc. As of the event date of 12/31/2025, Morgan Stanley reports beneficial ownership of 10,533,358 shares of T1 Energy common stock, representing 4.1% of the class, with shared voting and dispositive power over these shares.
Morgan Stanley Capital Services LLC separately reports beneficial ownership of 9,686,591 shares, representing 3.7% of the class, all with shared voting and dispositive power. Both reporting persons state that, as of this date, they have ceased to be beneficial owners of more than five percent of T1 Energy’s common stock, and indicate that the securities are held in the ordinary course of business without the purpose of changing or influencing control.
T1 Energy Inc. reported a leadership change in its finance organization. The employment of Denise Cruz, who served as SVP, Chief Accounting Officer and Corporate Controller, ended effective February 5, 2026, and the company extended her a termination package and thanked her for her service.
Effective the same date, T1 Energy appointed Tom Mahrer, age 42, as Chief Accounting Officer and Corporate Controller and principal accounting officer. Mahrer joined T1 Energy in October 2025 as Director of SEC Reporting and has over 15 years of financial leadership experience in the energy and manufacturing sectors, including prior roles at Valero Energy Corporation, KPMG LLP, and Deloitte & Touche LLP. The company notes there are no family relationships or related-party transactions involving him and that the terms of his new role will be announced separately when finalized.
TRINA SOLAR (SCHWEIZ) AG, a 10% owner of T1 Energy Inc. (TE), reported acquiring 4,274,704 common shares on January 21, 2026. The shares were issued to this holder at a price of $1.7 per share under anti-dilution rights contained in a Transaction Agreement dated November 6, 2024. Following this issuance, the reporting person beneficially owns 53,152,664 common shares, held directly.
Trina Solar (Schweiz) AG has updated its ownership in T1 Energy Inc. through an anti-dilution subscription. The investor now beneficially owns 53,152,664 shares of T1 Energy common stock, representing 19.6% of the outstanding common shares, based on 270,572,801 shares outstanding as of January 22, 2026.
The change stems from anti-dilution rights granted as part of T1 Energy’s acquisition of T1 G1 Dallas Holding and related subsidiaries, referred to as the Trina Business Combination. After T1 Energy entered into an Amended and Restated Stock Purchase Agreement on October 31, 2025 and issued new common and preferred shares, Trina Solar (Schweiz) exercised its Trina Anti-Dilution Rights.
Under those rights, Trina Solar (Schweiz) subscribed for an additional 4,274,704 T1 Energy common shares at a subscription price of $1.70 per share. This subscription closed on January 21, 2026 and increased the reporting person’s stake while maintaining its position against dilution from the broader financing transactions.
T1 Energy Inc. filed an automatic shelf registration statement on Form S-3ASR and a prospectus supplement covering the resale of 14,274,704 shares of common stock and a warrant to purchase 7,000,000 shares at a purchase price of $0.01 per share by named selling securityholders. These shares include stock previously issued to Trina Solar (Schweiz) AG in private placements and shares that may be issued upon exercise of a warrant issued to Stellar Hann Investment Ltd. The filing explains that the prospectus supplement itself does not sell any securities, and any resale by the selling securityholders would not generate proceeds for the Company. T1 Energy also provides a legal opinion from Skadden, Arps, Slate, Meagher & Flom LLP on the validity of the common stock and enforceability of the warrant as an exhibit to this report.
T1 Energy Inc. has filed a prospectus supplement enabling the resale of 14,274,704 shares of common stock, a warrant to purchase 7,000,000 shares, and 7,000,000 shares issuable upon exercise of that warrant by existing holders. These securities were issued in prior private placements, including 3,000,000 shares to Trina Solar (Schweiz) AG as partial payoff of indebtedness, 4,274,704 anti‑dilution shares to Trina, and a penny warrant to Stellar Hann Investment Ltd. with a $0.01 exercise price per share exercisable from March 10, 2026 to September 10, 2030.
The company will not receive proceeds from any resale, but would receive cash only if the warrant is exercised for cash. Trina remains a major shareholder, and T1 Energy has also issued senior convertible preferred stock and convertible notes. The filing highlights a new foreign ownership cap, limiting specified foreign entities to under 4.9% of outstanding common or preferred stock absent board approval, and outlines anti‑takeover and forum‑selection provisions that may make changes in control or stockholder litigation more difficult.
T1 Energy Inc. has filed an automatic shelf registration statement on Form S-3 as a well-known seasoned issuer, allowing the company and certain selling securityholders to offer and sell, from time to time, an unlimited amount of common stock, preferred stock, debt securities, warrants, subscription rights and purchase units. The specific terms and pricing of each issuance will be set in future prospectus supplements.
The filing describes T1 Energy’s U.S.-based solar manufacturing platform, including a five-gigawatt-per-year PV module facility in Wilmer, Texas and a phased solar cell project in Rockdale, Texas expected to begin production by the end of 2026. It also details outstanding Series B and Series B-1 convertible preferred stock carrying a 6% dividend, mandatory redemption on December 23, 2027 at $10.00 per share, extensive existing warrant structures, a 4.9% ownership cap for certain foreign holders, and anti-takeover and forum-selection provisions embedded in its Delaware charter and bylaws.
T1 Energy Inc. issued 3,000,000 common shares to Trina Solar (Schweiz) AG on December 30, 2025 as part of a debt settlement. These new shares increased the reporting person’s holdings to 48,877,960 shares held directly.
The share issuance serves as partial consideration for fully discharging the company’s obligations under a $150.0 million, 1% per annum senior unsecured note due 2029 and for partially satisfying a Production Reservation Fee owed under a Transaction Agreement dated November 6, 2024. This transaction shifts part of T1 Energy’s financial obligations into equity held by a director-level insider.
Trina Solar (Schweiz) AG filed an amended beneficial ownership report for T1 Energy Inc., stating beneficial ownership of 48,877,960 T1 Energy common shares, or 18.4% of the class, based on 266,190,963 shares outstanding as of December 30, 2025.
On December 30, 2025, T1 Energy issued 3,000,000 common shares to Trina Solar (Schweiz) AG in connection with a debt settlement. These shares were issued as partial consideration for the full discharge of T1 Energy’s obligations under a $150.0 million 1% senior unsecured note due 2029 and partial satisfaction of a production reservation fee owed under a prior transaction agreement.
On December 29, 2025, Trina Solar (Schweiz) AG and T1 Energy entered into an Amended and Restated Cooperation Agreement, which removed Trina Solar (Schweiz) AG’s ability to appoint two directors to T1 Energy’s board of directors while it continues to hold a significant equity stake.