# EDGAR Filing Document

**Accession Number:** 0001992243
**File Stem:** 0001213900-26-016641
**Filing Date:** 2026-2
**Character Count:** 7776
**Document Hash:** e67ef96f9ada0c0f90b34570a0a88873
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-016641.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001213900-26-016641

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260205

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Mahrer Thomas
- **CENTRAL INDEX KEY:** 0002108547

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41903
- **FILM NUMBER:** 26635145

**MAIL ADDRESS:**
- **STREET 1:** 1211 E 4TH STREET
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78702

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Thomas Mahrer
- **DATE OF NAME CHANGE:** 20260130
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** T1 Energy Inc.
- **CENTRAL INDEX KEY:** 0001992243
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 933205861
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1211 E 4TH ST.
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78702
- **BUSINESS PHONE:** 409-599-5706

**MAIL ADDRESS:**
- **STREET 1:** 1211 E 4TH ST.
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78702

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FREYR Battery, Inc. /DE/
- **DATE OF NAME CHANGE:** 20230901

## Ex-24

```
<pre>
      Power of Attorney
KNOW ALL BY THESE PRESENT, that the undersigned hereby constitutes and appoints
Harold Callo Sanchez as the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of T1 Energy Inc. (the "Company"), any and all
Forms 3, 4 and 5 required to be filed by the undersigned in accordance with
Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Act") and
the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4 or 5,
complete and execute any amendment or amendments thereto, and timely file such
form with the U.S. Securities and Exchange Commission (the "SEC") and any stock
exchange or similar authority; and

(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned, pursuant to this Power of Attorney, shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted. The undersigned acknowledges that no such attorney-in-fact, in serving
in such capacity at the request of the undersigned, is hereby assuming, nor is
the Company hereby assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Act.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 13th day of February, 2026.

By:	/s/Thomas Mahrer
Print:	Thomas Mahrer
    </pre>
```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] 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**<sup>*</sup><br>Mahrer Thomas<br><sub>(Last) (First) (Middle)</sub><br>1211 E 4TH ST.<br><sub>(Street)</sub><br>AUSTIN, TX 78702<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>T1 Energy Inc. [ TE ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-02-05 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_See Remarks_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units (RSUs) | <sup>(1)</sup> | <sup>(1)</sup> | Common Stock | 75000 | <sup>(2)</sup> | D |  |

---

### Footnotes:

(1) Consists of restricted stock units ("RSUs") granted on November 4, 2025 under the T1 Energy 2021 Equity Incentive Plan (amended and restated as of April 22, 2024). The RSUs vest in three equal annual installments, one-third (1/3) on November 4, 2026, one-third (1/3) on November 4, 2027 and one-third (1/3) on November 4, 2028. The RSUs are net settled in shares of Common Stock.

(2) Each RSU represents a right to receive one share of Common Stock upon settlement.

**Remarks:**
Relationship of Reporting Person to Issuer - Chief Accounting Officer and Corporate Controller | Exhibit List Exhibit 24.1 - Power of Attorney

**Signature:** /s/ Harold Callo Sanchez, as Attorney-in-Fact  
**Date:** 2026-02-13

### Remarks:

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.**