Mingxing Lin - 23 Dec 2025 Form 4 Insider Report for T1 Energy Inc. (TE)

Reporting relationship: Chief Strategy Officer, Director
Issuer ticker: TE
Reported as of: 23 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Dec 2025, 16:10:29 UTC
Prior SEC filing: 03 Dec 2025
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael Holland, as Attorney-in-Fact

Key filing fact

Mingxing Lin filed Form 4 for T1 Energy Inc. (TE) on 29 Dec 2025.

Key facts

This page summarizes Mingxing Lin's Form 4 filing for T1 Energy Inc. (TE).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 29 Dec 2025, 16:10.

Change

Previous filing in this sequence was filed on 03 Dec 2025.
Current net transaction value: $0.

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 0002049819 Primary reporting owner

Lin Mingxing

Relationship: Chief Strategy Officer, Director
Address: 1211 E 4TH ST., AUSTIN
Signature: /s/ Michael Holland, as Attorney-in-Fact
Signature date: 29 Dec 2025

Reported non-derivative transactions

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

TE transaction

Common Stock

Options Exercise

Transaction value
Shares: +250,000
Change %: +190%
Price
Shares after: 381,800
Date: 23 Dec 2025
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TE transaction Derivative

Restricted Stock Units (RSUs)

Options Exercise

Transaction value
Shares: -250,000
Change %: -100%
Price
Shares after: 0
Date: 23 Dec 2025
Ownership: Direct
Underlying class: Shares of Common Stock
Underlying amount: 250,000
Exercise price
Footnotes: F1, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

This transaction represents the net settlement of restricted stock units ("RSUs") in shares of Common Stock on their scheduled vesting date. The RSUs were granted on December 23, 2024 and fully vested on December 23, 2025. Each RSU represents the right to receive, at settlement, one share of Common Stock.

Footnote F2

The number of securities shown as beneficially owned following the reported transaction reflects (i) 131,800 shares of Common Stock previously reported as beneficially owned by the reporting person on the Form 3 filed on January 2, 2025, plus (ii) 250,000 shares of Common Stock issued upon vesting and net share settlement of the RSUs reported herein.

Footnote F3

The RSUs were granted pursuant to the 2021 Equity Incentive Plan (as amended and restated on April 22, 2024).