v3.26.1
Merger Transaction and Acquisition
6 Months Ended
Jun. 30, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Merger Transaction and Acquisition Merger Transaction and Acquisition
Earnout Share Conversion

In connection with the business combination between the Company and USA Rare Earth, LLC, the Company agreed to issue common stock of the Company (the “earnout shares”) to certain shareholders of USA Rare Earth, LLC in two tranches upon the occurrence of certain triggering events.

On April 15, 2026, the Company achieved the market-price condition for the first tranche of earnout shares, as the Company's common stock was equal to or exceeded $15.00 per share for at least 20 out of 30 consecutive trading days. As a result, 5.05 million earnout shares were converted into shares of the Company’s common stock.
On May 15, 2026, the Company achieved the market-price condition for the second tranche of earnout shares, as the Company's common stock was equal to or exceeded $20.00 per share for at least 20 out of 30 consecutive trading days. As a result, 5.05 million earnout shares were converted into shares of the Company’s common stock.

The earnout shares were classified as liabilities and remeasured at fair value on a recurring basis prior to conversion which resulted in a fair value gain on conversion of $70.7 million and $107.2 million in the three and six months ended June 30, 2026, respectively, presented in (Loss) gain on fair market value of financial instruments, net in the Condensed Consolidated Statements of Operations and Comprehensive Loss. Upon conversion, the related earnout liability was reclassified to common stock and additional paid‑in capital. See Note 2, “Fair Value Measurements – Earnout Liability” for a reconciliation of the conversion of the Earnout liability.
Definitive Carester SAS Investment

On April 9, 2026, the Company entered into a binding letter of intent, and subsequently on July 23, 2026, the Company entered into a definitive agreement to acquire a 13.6% equity interest in Carester SAS (“Carester”), the parent company of Caremag SAS, for cash and equity consideration amounting to €40.0 million, or approximately $45.7 million.

The proposed consideration consists of €28.3 million in cash, or approximately $32.4 million, and €11.7 million in equity consideration, or approximately $13.3 million, payable in shares of the Company’s common stock, in each case subject to customary adjustments, including the potential substitution of cash in lieu of the Company’s common stock.

The number of shares of the Company’s common stock to be issued will be determined based on the market price of the Company’s common stock on the closing date of the transaction. As a result, the actual U.S. dollar value of the cash and equity consideration, when translated from euros to U.S. dollars, may differ from the estimated amounts described above.
Proposed SVRE Holdings Ltd. Acquisition

On April 19, 2026, the Company entered into a definitive agreement to acquire 100% of SVRE Holdings Ltd., the parent company of Serra Verde Group (“Serra Verde”), for $300.0 million in cash and 126.8 million shares of the Company’s common stock (approximately $2.53 billion) for total expected consideration of approximately $2.83 billion, as of the date of the definitive agreement. This acquisition is subject to customary conditions. Serra Verde operates a rare earths project in Brazil that is currently in commercial production.