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Form 4 T1 Energy Inc. For: Jun 12 Filed by: Calio Joseph Evan

June 17, 2026 9:09 AM
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Calio Joseph Evan
(Last) (First) (Middle)
1211 E 4TH ST.
(Street)
AUSTIN TX 78702
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
T1 Energy Inc. [ TE ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/12/2026 M 422,476 (1) A (1) 1,993,361 D
Common Stock 06/12/2026 F 195,776 (2) D $ 8.5 1,797,585 (3) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (RSUs) (1) 06/12/2026 M 422,476 (4) (4) Shares of Common Stock 422,476 (1) 422,476 D
Explanation of Responses:
1. This transaction represents the vesting on June 12, 2026 of 422,476 Restricted Stock Units ("RSUs") granted on June 13, 2024 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed August 9, 2024. This relates to the vesting of the second of three equal annual installments (further details in Note 4 below). Each RSU represents the right to receive one share of Common Stock. These 422,476 RSUs were settled in shares of Common Stock on June 12, 2026.
2. This transaction represents 195,776 shares of Common Stock withheld for tax obligations in connection with the settlement on June 12, 2026 of 422,476 RSUs that vested on June 12, 2026 (the second of three equal annual installments). The vesting of those 422,476 RSUs is described in Note 1 above.
3. The 1,797,585 shares of Common Stock beneficially owned following the reported transactions reflects: (i) 1,570,885 shares reported on the Form 4 filed April 30, 2026; plus (ii) 422,476 shares acquired upon vesting of RSUs on June 12, 2026 (Note 1 above); less (v) 195,776 shares withheld for tax upon settlement of RSUs on June 12, 2026 (Note 2 above).
4. The RSUs reported on the Form 4 filed August 9, 2024 were granted for a total of 1,267,427 RSUs vesting in three equal annual installments: one-third vested on June 13, 2025; one-third vested on June 12, 2026; and the remaining one-third will vest on June 13, 2027. Following the vesting and settlement of the first second installment reported herein, 422,276 RSUs remain outstanding.
/s/ Harold Callo Sanchez, as Attorney-in-Fact 06/17/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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