T1 Energy COO vests 91,666 RSUs, nets shares

T1 Energy Inc. Chief Operating Officer Jaime Eduardo Gualy reported vesting of 91,666 Restricted Stock Units (RSUs) from a 2025 grant, which settled into the same number of common shares on July 29, 2026.

Accepted by SEC EDGAR 07/31/2026 - 04:30 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

T1 Energy Inc. Chief Operating Officer Jaime Eduardo Gualy reported vesting of 91,666 Restricted Stock Units (RSUs) from a 2025 grant, which settled into the same number of common shares on July 29, 2026. 29,383 shares were withheld to cover taxes, leaving 62,283 common shares beneficially owned following the transactions and 183,334 RSUs from the award still outstanding.

Insider Trade Summary

91,600 shares exercised/converted

Exercise 3 txns

Insider Gualy Jaime Eduardo

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units (RSUs) F1, F4	91,600	--	--
Exercise	Common Stock F1	91,666	$3.72	$341K
Tax Withholding	Common Stock F2, F3	29,383	$3.72	$109K

Holdings After Transaction: Restricted Stock Units (RSUs) — 183,334 units (Direct); Common Stock — 62,283 shares (Direct)

Footnotes (4)

1. F1. This transaction represents the vesting on July 29, 2026 of 91,666 Restricted Stock Units ("RSUs") granted on July 29, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed August 25, 2025. This relates to the vesting of the first of three equal annual installments (further details in Note 4 below). Each RSU represents the right to receive one share of Common Stock. These 91,666 RSUs were settled in shares of Common Stock on July 29, 2026.
2. F2. This transaction represents 29,383 shares of Common Stock withheld for tax obligations in connection with the settlement on July 29, 2026 of 91,666 RSUs that vested on July 29, 2026 (the first of three equal annual installments). The vesting of those 91,666 RSUs is described in Note 1 above.
3. F3. The 62,283 shares of Common Stock beneficially owned following the reported transactions reflects: (i) 91,666 shares acquired upon vesting of RSUs on July 29, 2026 (Note 1 above); less (v) 29,383 shares withheld for tax upon settlement of RSUs on July 29, 2026 (Note 2 above).
4. F4. The RSUs reported on the Form 4 filed August 25, 2025 were granted for a total of 275,000 RSUs vesting in three equal annual installments: one-third vested on July 29, 2026; one-third will vest on July 29, 2027; and the remaining one-third will vest on July 29, 2028. Following the vesting and settlement of the first installment reported herein, 183,334 RSUs remain outstanding.

Key Figures

RSUs vested: 91,666 RSUs Common shares acquired: 91,666 shares Shares withheld for taxes: 29,383 shares +4 more

7 metrics

RSUs vested 91,666 RSUs Vested on July 29, 2026 from the July 29, 2025 grant

Common shares acquired 91,666 shares Shares of Common Stock received upon RSU settlement on July 29, 2026

Shares withheld for taxes 29,383 shares Common shares withheld for tax obligations upon RSU settlement

Shares beneficially owned after transactions 62,283 shares Common shares beneficially owned following the reported transactions

Total RSUs in 2025 grant 275,000 RSUs RSUs granted on July 29, 2025 vesting in three equal annual installments

Unvested RSUs remaining 183,334 RSUs RSUs remaining outstanding after the first installment vested and settled

RSU settlement price per share $3.72 per share Price reported for common stock acquired and shares withheld on July 29, 2026

Key Terms

Restricted Stock Units ("RSUs"), 2021 Equity Incentive Plan, withheld for tax obligations, beneficially owned, +1 more

5 terms

Restricted Stock Units ("RSUs") financial

"This transaction represents the vesting on July 29, 2026 of 91,666 Restricted Stock Units ("RSUs")"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

2021 Equity Incentive Plan financial

"granted on July 29, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024)"

withheld for tax obligations financial

"This transaction represents 29,383 shares of Common Stock withheld for tax obligations in connection with the settlement"

beneficially owned financial

"The 62,283 shares of Common Stock beneficially owned following the reported transactions reflects"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

equal annual installments financial

"were granted for a total of 275,000 RSUs vesting in three equal annual installments"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did T1 Energy (TE) COO Jaime Eduardo Gualy report?

Jaime Eduardo Gualy reported the vesting of 91,666 RSUs from a 2025 equity grant, which were settled into an equal number of T1 Energy common shares on July 29, 2026, with a portion withheld to satisfy tax obligations.

How many RSUs vested for the T1 Energy (TE) COO on July 29, 2026?

On July 29, 2026, 91,666 RSUs vested for the T1 Energy COO. These RSUs were part of a 275,000 RSU grant made on July 29, 2025, vesting in three equal annual installments through 2028.

How many T1 Energy (TE) shares were withheld for taxes in this Form 4?

The filing states that 29,383 shares of T1 Energy common stock were withheld to cover tax obligations. This withholding occurred in connection with the settlement of the 91,666 RSUs that vested on July 29, 2026.

How many T1 Energy (TE) common shares does the COO beneficially own after these transactions?

Following the reported transactions, the COO beneficially owns 62,283 shares of T1 Energy common stock. This amount reflects 91,666 shares acquired upon RSU vesting, less 29,383 shares withheld to satisfy related tax obligations.

How many RSUs remain outstanding for the T1 Energy (TE) COO from the 2025 grant?

After the first installment vested and settled, 183,334 RSUs remain outstanding from the July 29, 2025 grant. The award originally covered 275,000 RSUs, vesting in three equal annual installments in 2026, 2027, and 2028.

What is the vesting schedule of the COO’s 2025 RSU grant at T1 Energy (TE)?

The 2025 RSU grant of 275,000 RSUs vests in three equal annual installments. One-third vested on July 29, 2026, another third is scheduled for July 29, 2027, and the final third for July 29, 2028, subject to applicable conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gualy Jaime Eduardo

(Last) (First) (Middle)

1211 E 4TH ST.

(Street)

AUSTIN TEXAS 78702

(City) (State) (Zip)

UNITED STATES

(Country)

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 Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	07/29/2026		M		91,666(1)	A	$3.72	91,666	D
Common Stock	07/29/2026		F		29,383(2)	D	$3.72	62,283(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)	07/29/2026		M			91,600	07/29/2026(4)	(4)	Shares of Common Stock	91,666	(1)	183,334	D

Explanation of Responses:

1. This transaction represents the vesting on July 29, 2026 of 91,666 Restricted Stock Units ("RSUs") granted on July 29, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed August 25, 2025. This relates to the vesting of the first of three equal annual installments (further details in Note 4 below). Each RSU represents the right to receive one share of Common Stock. These 91,666 RSUs were settled in shares of Common Stock on July 29, 2026.

2. This transaction represents 29,383 shares of Common Stock withheld for tax obligations in connection with the settlement on July 29, 2026 of 91,666 RSUs that vested on July 29, 2026 (the first of three equal annual installments). The vesting of those 91,666 RSUs is described in Note 1 above.

3. The 62,283 shares of Common Stock beneficially owned following the reported transactions reflects: (i) 91,666 shares acquired upon vesting of RSUs on July 29, 2026 (Note 1 above); less (v) 29,383 shares withheld for tax upon settlement of RSUs on July 29, 2026 (Note 2 above).

4. The RSUs reported on the Form 4 filed August 25, 2025 were granted for a total of 275,000 RSUs vesting in three equal annual installments: one-third vested on July 29, 2026; one-third will vest on July 29, 2027; and the remaining one-third will vest on July 29, 2028. Following the vesting and settlement of the first installment reported herein, 183,334 RSUs remain outstanding.

Remarks:

	/s/ Harold Callo Sanchez, as Attorney-in-Fact	07/30/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)