T1 Energy Inc. (TE)

Data as of Aug 26, 2026, from SEC Form 4 filings.

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Latest TE insider trades

Balazs Peter Matrai - Director
Option exercise$707K
May 15, 2024
Balazs Peter Matrai - Director
Tax withholding / forfeiture$707K

About T1 Energy Inc. (TE)

T1 Energy Inc. is an SEC registrant, filing under CIK 0001992243, classified as semiconductors and related devices. We track it alongside the rest of the Information Technology sector.

Sector: Information Technology

SEC filings for TE on EDGAR

TE Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Option exercise	2	1,488,862
Tax withholding / forfeiture	1	351,845

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

TE insider transactions (Form 4)

50 Form 4 filings on record, the earliest from Nov 13, 2024, newest first. Filing history page 1 of 2.

Traded	Insider	Transaction	Security	Shares	Price	Value
May 15, 2024	Balazs Peter Matrai - Director	Option exercise	Common Stock	744,431^{footnote F1}	$0.95	$707K
May 15, 2024	Balazs Peter Matrai - Director	Tax withholding / forfeiture	Common Stock	351,845	$2.01	$707K
May 15, 2024	Balazs Peter Matrai - Director	Option exercise	Warrants	744,431	$0.00	-
Footnote F1 (shares): On May 15, 2024, the Reporting Person exercised warrants to purchase 744,431 shares of common stock of the Issuer through cashless exercise, resulting in the withholding by the Issuer of 351,845 shares and issuing to the Reporting Person the remaining 392,586 shares, based on… Full note on SEC EDGAR
Jul 29, 2026	Jaime Eduardo Gualy - Officer	Option exercise	Common Stock	91,666^{footnote F1}	$3.72	$341K
Jul 29, 2026	Jaime Eduardo Gualy - Officer	Tax withholding / forfeiture	Common Stock	29,383^{footnote F2}	$3.72	$109K
Jul 29, 2026	Jaime Eduardo Gualy - Officer	Option exercise	Restricted Stock Units (RSUs)	91,600	-^{footnote F1}	-
Footnote F1 (shares, price): 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… Full note on SEC EDGAR Footnote F2 (shares): 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… Full note on SEC EDGAR
Jul 29, 2026	Andrew Munro - Officer	Option exercise	Common Stock	100,000^{footnote F1}	$3.72^{footnote F1}	$372K
Jul 29, 2026	Andrew Munro - Officer	Tax withholding / forfeiture	Common Stock	38,989^{footnote F2}	$3.72	$145K
Jul 29, 2026	Andrew Munro - Officer	Option exercise	Restricted Stock Units (RSUs)	100,000	-^{footnote F1}	-
Footnote F1 (price, shares): This transaction represents the vesting on July 29, 2026 of 100,000 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 July 31, 2025. This relates to… Full note on SEC EDGAR Footnote F2 (shares): This transaction represents 38,989 shares of Common Stock withheld for tax obligations in connection with the settlement on July 29, 2026 of 100,000 RSUs that vested on July 29, 2026 (the first of three equal annual installments). The vesting of those 100,000 RSUs is described… Full note on SEC EDGAR
Jul 2, 2026	Robert O. Hammond	Grant or award	Restricted Stock Units (RSUs)	33,375^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 33,375 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jul 2, 2026	Jessica Wirth Strine	Grant or award	Restricted Stock Units (RSUs)	22,695^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jul 2, 2026	Balazs Peter Matrai	Grant or award	Restricted Stock Units (RSUs)	22,695^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jul 2, 2026	David J. Manners	Grant or award	Restricted Stock Units (RSUs)	22,695^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jul 2, 2026	Daniel Steingart	Grant or award	Restricted Stock Units (RSUs)	22,695^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jul 2, 2026	W. Richard Anderson	Grant or award	Restricted Stock Units (RSUs)	22,695^{footnote F2}	$0.00	-
Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).
Jun 23, 2026	Joseph Evan Calio - Officer	Option exercise	Restricted Stock Units (RSUs)	125,000	-^{footnote F1}	-
Jun 23, 2026	Joseph Evan Calio - Officer	Option exercise	Common Stock	125,000^{footnote F1}	-^{footnote F1}	-
Jun 23, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	57,925^{footnote F2}	$9.24	$535K
Footnote F1 (price, shares): This transaction represents the vesting on June 23, 2026 of 125,000 Restricted Stock Units ("RSUs") granted on June 23, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed June 25, 2025. This relates to… Full note on SEC EDGAR Footnote F2 (shares): This transaction represents 57,925 shares of Common Stock withheld for tax obligations in connection with the settlement on June 23, 2026 of 125,000 RSUs that vested on June 23, 2026 (the first of three equal annual installments). The vesting of those 125,000 RSUs is described… Full note on SEC EDGAR
Jun 23, 2026	Andreas Bentzen - Officer	Option exercise	Common Stock	25,000^{footnote F1}	-^{footnote F1}	-
Jun 23, 2026	Andreas Bentzen - Officer	Tax withholding / forfeiture	Common Stock	11,850^{footnote F2}	$9.24	$109K
Jun 23, 2026	Andreas Bentzen - Officer	Option exercise	Restricted Stock Units (RSUs)	25,000	-^{footnote F1}	-
Footnote F1 (price, shares): This transaction represents the vesting on June 23, 2026 of 25,000 Restricted Stock Units ("RSUs") granted on June 23, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed June 25, 2025. This relates to… Full note on SEC EDGAR Footnote F2 (shares): This transaction represents 11,850 shares of Common Stock withheld for tax obligations in connection with the settlement on June 23, 2026 of 25,000 RSUs that vested on June 23, 2026 (the first of three equal annual installments). The vesting of those 25,000 RSUs is described in… Full note on SEC EDGAR
Jun 12, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	195,776^{footnote F2}	$8.50	$1.66M
Jun 12, 2026	Joseph Evan Calio - Officer	Option exercise	Restricted Stock Units (RSUs)	422,476	-^{footnote F1}	-
Jun 12, 2026	Joseph Evan Calio - Officer	Option exercise	Common Stock	422,476^{footnote F1}	-^{footnote F1}	-
Footnote F1 (price, shares): 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… Full note on SEC EDGAR Footnote F2 (shares): 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… Full note on SEC EDGAR
Jan 21, 2026	TRINA SOLAR (SCHWEIZ) AG	Grant or award	Common Shares	4,274,704	$1.70	$7.27M
May 14, 2026	Joseph Evan Calio - Officer	Grant or award	Stock Options (Right to Buy)	300,000	$0.00	-
Jan 29, 2026	Einar Kilde	Grant or award	Restricted Stock Units (RSUs)	92,910	$0.00	-
Mar 31, 2026	Einar Kilde	Grant or award	Restricted Stock Units (RSUs)	146,797	$0.00	-
Jan 29, 2026	Andreas Bentzen - Officer	Grant or award	Restricted Stock Units (RSUs)	65,030	$0.00	-
Jan 29, 2026	Andrew Munro - Officer	Grant or award	Restricted Stock Units (RSUs)	62,110	$0.00	-
Jan 29, 2026	Jaime Eduardo Gualy - Officer	Grant or award	Restricted Stock Units (RSUs)	84,460	$0.00	-
May 6, 2026	Joseph Evan Calio - Officer	Grant or award	Restricted Stock Units (RSUs)	666,666	$0.00	-
May 6, 2026	Daniel Barcelo - Officer	Grant or award	Restricted Stock Units (RSUs)	1,000,000	$0.00	-
Apr 29, 2026	Joseph Evan Calio - Officer	Option exercise	Common Stock	161,290^{footnote F1}	-^{footnote F1}	-
Apr 29, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	74,742^{footnote F2}	$4.89	$365K
Apr 29, 2026	Joseph Evan Calio - Officer	Option exercise	Restricted Stock Units (RSUs)	161,290	-^{footnote F1}	-
Footnote F1 (price, shares): This transaction represents the vesting on April 29, 2026 of 161,290 Restricted Stock Units ("RSUs") granted on April 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 May 1, 2025. This relates to… Full note on SEC EDGAR Footnote F2 (shares): This transaction represents 74,742 shares of Common Stock withheld for tax obligations in connection with the settlement on April 29, 2026 of 161,290 RSUs that vested on April 29, 2026 (the first of three equal annual installments). The vesting of those 161,290 RSUs is described… Full note on SEC EDGAR
Jan 1, 2026	Daniel Barcelo - Officer	Option exercise	Common Stock	333,333^{footnote F1}	-^{footnote F1}	-
Mar 13, 2026	Daniel Barcelo - Officer	Tax withholding / forfeiture	Common Stock	110,155^{footnote F2}	$6.68	$736K
Mar 30, 2026	Daniel Barcelo - Officer	Tax withholding / forfeiture	Common Stock	134,903^{footnote F3}	$2.58	$348K
Jan 1, 2026	Daniel Barcelo - Officer	Option exercise	Restricted Stock Units (RSUs)	333,333	-^{footnote F1}	-
Footnote F1 (price, shares): This transaction represents the vesting on January 1, 2026 of 333,333 Restricted Stock Units ("RSUs") granted on January 1, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed January 3, 2025. This… Full note on SEC EDGAR Footnote F2 (shares): This transaction represents 110,155 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 333,333 RSUs that vested on January 1, 2026 (the second of three equal annual installments). The vesting of those 333,333 RSUs is… Full note on SEC EDGAR Footnote F3 (shares): This transaction represents 134,903 shares of Common Stock withheld for tax obligations in connection with the settlement on March 30, 2026 of 333,333 RSUs that vested on January 1, 2025 (the first of three equal annual installments). Those 333,333 RSUs had previously vested as… Full note on SEC EDGAR
Jun 13, 2025	Joseph Evan Calio - Officer	Option exercise	Common Stock	422,475^{footnote F1}	-^{footnote F1}	-
Jan 1, 2026	Joseph Evan Calio - Officer	Option exercise	Common Stock	500,000^{footnote F2}	-^{footnote F2}	-
Mar 30, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	212,137^{footnote F3}	$2.58	$547K
Mar 13, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	195,775^{footnote F4}	$1.39	$272K
Mar 13, 2026	Joseph Evan Calio - Officer	Tax withholding / forfeiture	Common Stock	210,688^{footnote F5}	$6.68	$1.41M
Jun 13, 2025	Joseph Evan Calio - Officer	Option exercise	Restricted Stock Units (RSUs)	422,475	$0.00^{footnote F1}	-
Jan 1, 2026	Joseph Evan Calio - Officer	Option exercise	Restricted Stock Units (RSUs)	500,000	$0.00^{footnote F2}	-
Footnote F1 (price, shares): This transaction represents the vesting on June 13, 2025 of 422,475 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… Full note on SEC EDGAR Footnote F2 (price, shares): This transaction represents the vesting on January 1, 2026 of 500,000 RSUs granted on January 1, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed January 3, 2025. This relates to the vesting of the… Full note on SEC EDGAR Footnote F3 (shares): This transaction represents 212,137 shares of Common Stock withheld for tax obligations in connection with the settlement on March 30, 2026 of 500,000 RSUs that vested on January 1, 2025 (the first of three equal annual installments). Those 500,000 RSUs had previously vested as… Full note on SEC EDGAR Footnote F4 (shares): This transaction represents 195,775 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 422,475 RSUs that vested on June 13, 2025 (the first of three equal annual installments). The vesting of those 422,475 RSUs is described… Full note on SEC EDGAR Footnote F5 (shares): This transaction represents 210,688 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 500,000 RSUs that vested on January 1, 2026 (the second of three equal annual installments). The vesting of those 500,000 RSUs is… Full note on SEC EDGAR
Jan 20, 2026	Mingxing Lin	Other	Common Stock	50,000	-^{footnote F1}	-
Footnote F1 (price): On January 20, 2026, Trina Solar (Schweiz) AG ("Trina") made a distribution of shares of common stock of the T1 Energy Inc. to certain employees of Trina, including the Reporting Person, pursuant to Trina's obligation under the Transaction Agreement, dated November 6, 2024… Full note on SEC EDGAR
Jan 21, 2026	TRINA SOLAR (SCHWEIZ) AG	Grant or award	Common Shares	4,274,704^{footnote F1}	$1.70	$7.27M
Footnote F1 (shares): 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.
Dec 30, 2025	TRINA SOLAR (SCHWEIZ) AG	Grant or award	Common Shares	3,000,000	-	-
Dec 10, 2025	TRINA SOLAR (SCHWEIZ) AG	Other	Common Shares	17,918,460	-	-
Dec 3, 2025	TRINA SOLAR (SCHWEIZ) AG	Other	7% Unsecured Convertible Note Due in 2030	17,918,460	-	-
Dec 10, 2025	TRINA SOLAR (SCHWEIZ) AG	Other	7% Unsecured Convertible Note Due in 2030	17,918,460	-	-
Dec 1, 2025	Daniel Steingart - Director	Grant or award	Common Stock	50,000^{footnote F1,F2}	$0.00	-
Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock. Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).
Dec 1, 2025	Mingxing Lin - Officer	Grant or award	Common Stock	50,000^{footnote F1,F2}	$0.00	-
Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock. Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).
Dec 1, 2025	David J. Manners - Director	Grant or award	Common Stock	50,000^{footnote F1,F2}	$0.00	-
Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock. Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).

Recent TE Form 8-K filings

Read TE company news

Oct 30, 2026Item 8.01, 9.01

Read the filing on SEC EDGAR

Oct 21, 2026Item 3.02

Read the filing on SEC EDGAR

Oct 6, 2026Item 8.01, 9.01

Read the filing on SEC EDGAR

Sep 29, 2026Item 1.01, 2.03, 3.02, 4.01, 9.01

Recent TE Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Jun 4, 2026	-	-	-	-	View on EDGAR
May 29, 2026	-	-	-	-

TE insider trading FAQ

What is the latest insider trade for TE?

T1 Energy Inc. (TE) had 1 insider filing in the last 90 days, with the most recent on 26 August 2026. The full record for TE runs to 50 Form 4 filings, the earliest from 13 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying TE stock?

No insider purchases of TE were filed in the last 90 days. 4 purchases are on record for this company.

How many insiders are selling TE stock?

No insider sales of TE were filed in the last 90 days. 10 sales are on record for this company.

Where can I see TE SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects TE Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Information Technology companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Aug 26, 2026 - Balazs Peter Matrai view on EDGAR
Jul 31, 2026 - Jaime Eduardo Gualy view on EDGAR
Jul 31, 2026 - Andrew Munro view on EDGAR
Jul 6, 2026 - Robert O. Hammond view on EDGAR
Jul 6, 2026 - Jessica Wirth Strine view on EDGAR
Jul 6, 2026 - Balazs Peter Matrai view on EDGAR
Jul 6, 2026 - David J. Manners view on EDGAR
Jul 6, 2026 - Daniel Steingart view on EDGAR
Jul 6, 2026 - W. Richard Anderson view on EDGAR

Related companies with recent insider activity

Learn more

What the Form 4 transaction codes mean: Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Information Technology: Where TE's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Option exercise

1,488,862

Tax withholding / forfeiture

351,845

Traded

Insider

Transaction

Security

Price

Value

May 15, 2024

Balazs Peter Matrai - Director

Option exercise

Common Stock

744,431^{footnote F1}

$0.95

$707K

May 15, 2024

Balazs Peter Matrai - Director

Tax withholding / forfeiture

Common Stock

351,845

$2.01

$707K

May 15, 2024

Balazs Peter Matrai - Director

Option exercise

Warrants

744,431

$0.00

Footnote F1 (shares): On May 15, 2024, the Reporting Person exercised warrants to purchase 744,431 shares of common stock of the Issuer through cashless exercise, resulting in the withholding by the Issuer of 351,845 shares and issuing to the Reporting Person the remaining 392,586 shares, based on… Full note on SEC EDGAR

Jul 29, 2026

Jaime Eduardo Gualy - Officer

Option exercise

Common Stock

91,666^{footnote F1}

$3.72

$341K

Jul 29, 2026

Jaime Eduardo Gualy - Officer

Tax withholding / forfeiture

Common Stock

29,383^{footnote F2}

$3.72

$109K

Jul 29, 2026

Jaime Eduardo Gualy - Officer

Option exercise

Restricted Stock Units (RSUs)

91,600

-^{footnote F1}

Footnote F1 (shares, price): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR

Jul 29, 2026

Andrew Munro - Officer

Option exercise

Common Stock

100,000^{footnote F1}

$3.72^{footnote F1}

$372K

Jul 29, 2026

Andrew Munro - Officer

Tax withholding / forfeiture

Common Stock

38,989^{footnote F2}

$3.72

$145K

Jul 29, 2026

Andrew Munro - Officer

Option exercise

Restricted Stock Units (RSUs)

100,000

-^{footnote F1}

Footnote F1 (price, shares): This transaction represents the vesting on July 29, 2026 of 100,000 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 July 31, 2025. This relates to… Full note on SEC EDGAR
Footnote F2 (shares): This transaction represents 38,989 shares of Common Stock withheld for tax obligations in connection with the settlement on July 29, 2026 of 100,000 RSUs that vested on July 29, 2026 (the first of three equal annual installments). The vesting of those 100,000 RSUs is described… Full note on SEC EDGAR

Jul 2, 2026

Robert O. Hammond

Grant or award

Restricted Stock Units (RSUs)

33,375^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 33,375 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jul 2, 2026

Jessica Wirth Strine

Grant or award

Restricted Stock Units (RSUs)

22,695^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jul 2, 2026

Balazs Peter Matrai

Grant or award

Restricted Stock Units (RSUs)

22,695^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jul 2, 2026

David J. Manners

Grant or award

Restricted Stock Units (RSUs)

22,695^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jul 2, 2026

Daniel Steingart

Grant or award

Restricted Stock Units (RSUs)

22,695^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jul 2, 2026

W. Richard Anderson

Grant or award

Restricted Stock Units (RSUs)

22,695^{footnote F2}

$0.00

Footnote F2 (shares): This transaction represents the grant on July 2, 2026 of 22,695 RSUs under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).

Jun 23, 2026

Joseph Evan Calio - Officer

Option exercise

Restricted Stock Units (RSUs)

125,000

-^{footnote F1}

Jun 23, 2026

Joseph Evan Calio - Officer

Option exercise

Common Stock

125,000^{footnote F1}

-^{footnote F1}

Jun 23, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

57,925^{footnote F2}

$9.24

$535K

Footnote F1 (price, shares): This transaction represents the vesting on June 23, 2026 of 125,000 Restricted Stock Units ("RSUs") granted on June 23, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed June 25, 2025. This relates to… Full note on SEC EDGAR
Footnote F2 (shares): This transaction represents 57,925 shares of Common Stock withheld for tax obligations in connection with the settlement on June 23, 2026 of 125,000 RSUs that vested on June 23, 2026 (the first of three equal annual installments). The vesting of those 125,000 RSUs is described… Full note on SEC EDGAR

Jun 23, 2026

Andreas Bentzen - Officer

Option exercise

Common Stock

25,000^{footnote F1}

-^{footnote F1}

Jun 23, 2026

Andreas Bentzen - Officer

Tax withholding / forfeiture

Common Stock

11,850^{footnote F2}

$9.24

$109K

Jun 23, 2026

Andreas Bentzen - Officer

Option exercise

Restricted Stock Units (RSUs)

25,000

-^{footnote F1}

Footnote F1 (price, shares): This transaction represents the vesting on June 23, 2026 of 25,000 Restricted Stock Units ("RSUs") granted on June 23, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed June 25, 2025. This relates to… Full note on SEC EDGAR
Footnote F2 (shares): This transaction represents 11,850 shares of Common Stock withheld for tax obligations in connection with the settlement on June 23, 2026 of 25,000 RSUs that vested on June 23, 2026 (the first of three equal annual installments). The vesting of those 25,000 RSUs is described in… Full note on SEC EDGAR

Jun 12, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

195,776^{footnote F2}

$8.50

$1.66M

Jun 12, 2026

Joseph Evan Calio - Officer

Option exercise

Restricted Stock Units (RSUs)

422,476

-^{footnote F1}

Jun 12, 2026

Joseph Evan Calio - Officer

Option exercise

Common Stock

422,476^{footnote F1}

-^{footnote F1}

Footnote F1 (price, shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR

Jan 21, 2026

TRINA SOLAR (SCHWEIZ) AG

Grant or award

Common Shares

4,274,704

$1.70

$7.27M

May 14, 2026

Joseph Evan Calio - Officer

Grant or award

Stock Options (Right to Buy)

300,000

$0.00

Jan 29, 2026

Einar Kilde

Grant or award

Restricted Stock Units (RSUs)

92,910

$0.00

Mar 31, 2026

Einar Kilde

Grant or award

Restricted Stock Units (RSUs)

146,797

$0.00

Jan 29, 2026

Andreas Bentzen - Officer

Grant or award

Restricted Stock Units (RSUs)

65,030

$0.00

Jan 29, 2026

Andrew Munro - Officer

Grant or award

Restricted Stock Units (RSUs)

62,110

$0.00

Jan 29, 2026

Jaime Eduardo Gualy - Officer

Grant or award

Restricted Stock Units (RSUs)

84,460

$0.00

May 6, 2026

Joseph Evan Calio - Officer

Grant or award

Restricted Stock Units (RSUs)

666,666

$0.00

May 6, 2026

Daniel Barcelo - Officer

Grant or award

Restricted Stock Units (RSUs)

1,000,000

$0.00

Apr 29, 2026

Joseph Evan Calio - Officer

Option exercise

Common Stock

161,290^{footnote F1}

-^{footnote F1}

Apr 29, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

74,742^{footnote F2}

$4.89

$365K

Apr 29, 2026

Joseph Evan Calio - Officer

Option exercise

Restricted Stock Units (RSUs)

161,290

-^{footnote F1}

Footnote F1 (price, shares): This transaction represents the vesting on April 29, 2026 of 161,290 Restricted Stock Units ("RSUs") granted on April 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 May 1, 2025. This relates to… Full note on SEC EDGAR
Footnote F2 (shares): This transaction represents 74,742 shares of Common Stock withheld for tax obligations in connection with the settlement on April 29, 2026 of 161,290 RSUs that vested on April 29, 2026 (the first of three equal annual installments). The vesting of those 161,290 RSUs is described… Full note on SEC EDGAR

Jan 1, 2026

Daniel Barcelo - Officer

Option exercise

Common Stock

333,333^{footnote F1}

-^{footnote F1}

Mar 13, 2026

Daniel Barcelo - Officer

Tax withholding / forfeiture

Common Stock

110,155^{footnote F2}

$6.68

$736K

Mar 30, 2026

Daniel Barcelo - Officer

Tax withholding / forfeiture

Common Stock

134,903^{footnote F3}

$2.58

$348K

Jan 1, 2026

Daniel Barcelo - Officer

Option exercise

Restricted Stock Units (RSUs)

333,333

-^{footnote F1}

Footnote F1 (price, shares): This transaction represents the vesting on January 1, 2026 of 333,333 Restricted Stock Units ("RSUs") granted on January 1, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed January 3, 2025. This… Full note on SEC EDGAR
Footnote F2 (shares): This transaction represents 110,155 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 333,333 RSUs that vested on January 1, 2026 (the second of three equal annual installments). The vesting of those 333,333 RSUs is… Full note on SEC EDGAR
Footnote F3 (shares): This transaction represents 134,903 shares of Common Stock withheld for tax obligations in connection with the settlement on March 30, 2026 of 333,333 RSUs that vested on January 1, 2025 (the first of three equal annual installments). Those 333,333 RSUs had previously vested as… Full note on SEC EDGAR

Jun 13, 2025

Joseph Evan Calio - Officer

Option exercise

Common Stock

422,475^{footnote F1}

-^{footnote F1}

Jan 1, 2026

Joseph Evan Calio - Officer

Option exercise

Common Stock

500,000^{footnote F2}

-^{footnote F2}

Mar 30, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

212,137^{footnote F3}

$2.58

$547K

Mar 13, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

195,775^{footnote F4}

$1.39

$272K

Mar 13, 2026

Joseph Evan Calio - Officer

Tax withholding / forfeiture

Common Stock

210,688^{footnote F5}

$6.68

$1.41M

Jun 13, 2025

Joseph Evan Calio - Officer

Option exercise

Restricted Stock Units (RSUs)

422,475

$0.00^{footnote F1}

Jan 1, 2026

Joseph Evan Calio - Officer

Option exercise

Restricted Stock Units (RSUs)

500,000

$0.00^{footnote F2}

Footnote F1 (price, shares): This transaction represents the vesting on June 13, 2025 of 422,475 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… Full note on SEC EDGAR
Footnote F2 (price, shares): This transaction represents the vesting on January 1, 2026 of 500,000 RSUs granted on January 1, 2025 under the Company's 2021 Equity Incentive Plan (as amended and restated on April 22, 2024) and reported on the Form 4 filed January 3, 2025. This relates to the vesting of the… Full note on SEC EDGAR
Footnote F3 (shares): This transaction represents 212,137 shares of Common Stock withheld for tax obligations in connection with the settlement on March 30, 2026 of 500,000 RSUs that vested on January 1, 2025 (the first of three equal annual installments). Those 500,000 RSUs had previously vested as… Full note on SEC EDGAR
Footnote F4 (shares): This transaction represents 195,775 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 422,475 RSUs that vested on June 13, 2025 (the first of three equal annual installments). The vesting of those 422,475 RSUs is described… Full note on SEC EDGAR
Footnote F5 (shares): This transaction represents 210,688 shares of Common Stock withheld for tax obligations in connection with the settlement on March 13, 2026 of 500,000 RSUs that vested on January 1, 2026 (the second of three equal annual installments). The vesting of those 500,000 RSUs is… Full note on SEC EDGAR

Jan 20, 2026

Mingxing Lin

Other

Common Stock

50,000

-^{footnote F1}

Footnote F1 (price): On January 20, 2026, Trina Solar (Schweiz) AG ("Trina") made a distribution of shares of common stock of the T1 Energy Inc. to certain employees of Trina, including the Reporting Person, pursuant to Trina's obligation under the Transaction Agreement, dated November 6, 2024… Full note on SEC EDGAR

Jan 21, 2026

TRINA SOLAR (SCHWEIZ) AG

Grant or award

Common Shares

4,274,704^{footnote F1}

$1.70

$7.27M

Footnote F1 (shares): 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.

Dec 30, 2025

TRINA SOLAR (SCHWEIZ) AG

Grant or award

Common Shares

3,000,000

Dec 10, 2025

TRINA SOLAR (SCHWEIZ) AG

Other

Common Shares

17,918,460

Dec 3, 2025

TRINA SOLAR (SCHWEIZ) AG

Other

7% Unsecured Convertible Note Due in 2030

17,918,460

Dec 10, 2025

TRINA SOLAR (SCHWEIZ) AG

Other

7% Unsecured Convertible Note Due in 2030

17,918,460

Dec 1, 2025

Daniel Steingart - Director

Grant or award

Common Stock

50,000^{footnote F1,F2}

$0.00

Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock.
Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).

Dec 1, 2025

Mingxing Lin - Officer

Grant or award

Common Stock

50,000^{footnote F1,F2}

$0.00

Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock.
Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).

Dec 1, 2025

David J. Manners - Director

Grant or award

Common Stock

50,000^{footnote F1,F2}

$0.00

Footnote F1 (shares): Consists of RSUs vested on the date of issuance that will be net settled in shares of Common Stock.
Footnote F2 (shares): Each RSU represents a right to receive one share of Common Stock granted pursuant to the 2021 Equity Incentive Plan (amended and restated as of April 22, 2024).

Filed

Filer

Relationship

Market value

Notice

Jun 4, 2026

View on EDGAR

May 29, 2026