TRINA SOLAR (SCHWEIZ) AG - 21 May 2026 Form 4 Insider Report for T1 Energy Inc. (TE)

Reporting relationship: 10%+ Owner
Issuer ticker: TE
Reported as of: 21 May 2026
Net transaction value: -$190,311,514
SEC form: 4
Accepted by SEC: 26 May 2026, 18:21:08 UTC
Prior SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: Trina Solar (Schweiz) AG By: Vincenzo Costanzelli, Chairman of the Board of Directors

Key filing fact

TRINA SOLAR (SCHWEIZ) AG filed Form 4 for T1 Energy Inc. (TE) on 26 May 2026.

Key facts

This page summarizes TRINA SOLAR (SCHWEIZ) AG's Form 4 filing for T1 Energy Inc. (TE).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 May 2026, 18:21.

Change

Previous filing in this sequence was filed on 26 May 2026.
Current net transaction value: -$190,311,514.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002047012 Primary reporting owner

TRINA SOLAR (SCHWEIZ) AG

Relationship: 10%+ Owner
Address: BIRKENWEG 4, WALLISELLEN, SWITZERLAND
Signature: Trina Solar (Schweiz) AG By: Vincenzo Costanzelli, Chairman of the Board of Directors
Signature date: 26 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TE transaction

Common Shares

Sale

Transaction value: $76,304,249
Shares: -8,849,024
Change %: -17%
Price: $8.62
Shares after: 44,303,640
Date: 21 May 2026
Ownership: Direct
Footnotes: F1

TE transaction

Common Shares

Sale

Transaction value: $10,590,245
Shares: -1,150,976
Change %: -2.6%
Price: $9.20
Shares after: 43,152,664
Date: 21 May 2026
Ownership: Direct
Footnotes: F2

TE transaction

Common Shares

Sale

Transaction value: $26,124,000
Shares: -3,000,000
Change %: -7%
Price: $8.71
Shares after: 40,152,664
Date: 21 May 2026
Ownership: Direct
Footnotes: F3

TE transaction

Common Shares

Sale

Transaction value: $77,116,175
Shares: -9,479,904
Change %: -24%
Price: $8.13
Shares after: 30,672,760
Date: 22 May 2026
Ownership: Direct
Footnotes: F4

TE transaction

Common Shares

Sale

Transaction value: $176,845
Shares: -20,096
Change %: -0.07%
Price: $8.80
Shares after: 30,652,664
Date: 22 May 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.07 to $9.06, inclusive. The reporting person undertakes to provide to T1 Energy Inc., any security holder of T1 Energy Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Footnote F2

The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.07 to $9.43, inclusive. The reporting person undertakes to provide to T1 Energy Inc., any security holder of T1 Energy Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Footnote F3

The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.61 to $8.96, inclusive. The reporting person undertakes to provide to T1 Energy Inc., any security holder of T1 Energy Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Footnote F4

The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.74 to $8.72, inclusive. The reporting person undertakes to provide to T1 Energy Inc., any security holder of T1 Energy Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.