Trina Solar unit acquires 4,274,704 T1 Energy shares

TRINA SOLAR (SCHWEIZ) AG, a 10% owner of T1 Energy Inc. (TE), reported acquiring 4,274,704 common shares on January 21, 2026.

Rhea-AI Filing Summary

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.

Insights

Equity ownership analyst

Large anti-dilution share issuance increases a major holder’s stake.

TRINA SOLAR (SCHWEIZ) AG, identified as a 10% owner of T1 Energy Inc., received 4,274,704 common shares on January 21, 2026. The filing states these shares were issued pursuant to anti-dilution rights in a Transaction Agreement dated November 6, 2024, meaning the issuance is tied to previously negotiated protections rather than open-market buying or selling.

The price reported for the transaction is $1.7 per share, and after the issuance the reporting person holds 53,152,664 common shares directly. This reflects a sizable block in a single holder’s hands, which can influence voting power and ownership concentration, though the filing does not provide total shares outstanding for context.

Because the issuance arises from contractual anti-dilution rights, it represents an adjustment to maintain the holder’s position rather than a discretionary market trade. Subsequent company filings may provide additional context on how this ownership level interacts with broader capital structure and governance.

Insider Trade Summary

Grant/Award: 4,274,704 shares

Grant/Award 1 txn

Insider TRINA SOLAR (SCHWEIZ) AG

Role 10% Owner

Type	Security	Shares	Price	Value
Grant/Award	Common Shares	4,274,704	$1.70	$7.27M

Holdings After Transaction: Common Shares — 53,152,664 shares (Direct)

Footnotes (1)

1. F1. Pursuant to anti-dilution rights granted to the Reporting Person under the Transaction Agreement dated November 6, 2024, the Issuer issued 4,274,704 common shares to the Reporting Person on January 21, 2026.

FAQ

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

Who is the reporting person in the T1 Energy Inc. (TE) Form 4?

The reporting person is TRINA SOLAR (SCHWEIZ) AG, identified in the filing as a 10% owner of T1 Energy Inc..

How many T1 Energy (TE) shares did TRINA SOLAR (SCHWEIZ) AG acquire?

The reporting person acquired 4,274,704 common shares of T1 Energy Inc. in the reported transaction.

On what date were the new T1 Energy (TE) shares issued to TRINA SOLAR (SCHWEIZ) AG?

The 4,274,704 common shares were issued on January 21, 2026, as shown in the transaction table.

What was the transaction code and price for the T1 Energy (TE) shares?

The transaction is coded as “A” (acquisition), and the filing reports a price of $1.7 per share for the 4,274,704 common shares.

Why did T1 Energy Inc. issue 4,274,704 shares to TRINA SOLAR (SCHWEIZ) AG?

The filing explains that, pursuant to anti-dilution rights granted under a Transaction Agreement dated November 6, 2024, the issuer issued 4,274,704 common shares to the reporting person on January 21, 2026.

How many T1 Energy (TE) shares does TRINA SOLAR (SCHWEIZ) AG own after this transaction?

After the reported acquisition, TRINA SOLAR (SCHWEIZ) AG beneficially owns 53,152,664 common shares of T1 Energy Inc., held directly.

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

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Accepted by SEC EDGAR 01/23/2026 - 05:26 PM Learn about SEC filing dates

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^*

TRINA SOLAR (SCHWEIZ) AG

(Last) (First) (Middle)

BIRKENWEG 4

(Street)

WALLISELLEN V8 8304

(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	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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 Shares	01/21/2026		A		4,274,704(1)	A	$1.7	53,152,664	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

Explanation of Responses:

1. Pursuant to anti-dilution rights granted to the Reporting Person under the Transaction Agreement dated November 6, 2024, the Issuer issued 4,274,704 common shares to the Reporting Person on January 21, 2026.

	Trina Solar (Schweiz) AG By: Vincenzo Costanzelli, Chairman of the Board of Directors	01/23/2026
	** 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.
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