{"transactions":[{"id":678992,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-08-21T21:54:43.000Z","date":"2026-08-19","kind":"grant","planned":false,"acquired":true,"shares":2059,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The restricted stock unit (\"RSU\") will vest 1 year from grant date."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit (\"RSU\") will vest 1 year from grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The restricted stock unit (\"RSU\") will vest 1 year from grant date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."}],"balance_after":2059,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":2059},"source":{"system":"sec-edgar","filing":"0001897745-26-000014","document":"wk-form4_1787349280.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000189774526000014/wk-form4_1787349280.xml","form_type":"4"}},{"id":746483,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2026-06-08T23:41:41.000Z","date":"2026-06-08","kind":"sale","planned":false,"acquired":false,"shares":13000,"price":22.768,"value":295984.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reporting person's sale of USAR common stock reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 1,300 shares, with the reporting\nperson's purchase of 1,300 shares of USAR common stock on January 29, 2025 in one lot at $22.5994. The reporting person has agreed to pay to USAR, upon settlement of the sale, $208.34, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $22.760 to $22.785. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":18783,"source":{"system":"sec-edgar","filing":"0001897745-26-000011","document":"wk-form4_1780962098.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000189774526000011/wk-form4_1780962098.xml","form_type":"4"}},{"id":749835,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-06-04T23:22:10.000Z","date":"2026-06-03","kind":"grant","planned":false,"acquired":true,"shares":6438,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The restricted stock unit will fully vest on the earlier of 1 year from grant date or 2027 Annual Meeting date, anticipated to be on or about June 2, 2027."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit will fully vest on the earlier of 1 year from grant date or 2027 Annual Meeting date, anticipated to be on or about June 2, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The restricted stock unit will fully vest on the earlier of 1 year from grant date or 2027 Annual Meeting date, anticipated to be on or about June 2, 2027."}],"balance_after":6438,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":6438},"source":{"system":"sec-edgar","filing":"0001897745-26-000009","document":"wk-form4_1780615327.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000189774526000009/wk-form4_1780615327.xml","form_type":"4"}},{"id":766354,"issuer":{"id":6007,"kind":"organization","name":"Merlin, Inc."},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2026-05-22T11:27:16.000Z","date":"2026-05-20","kind":"grant","planned":false,"acquired":true,"shares":37500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an award of (i) 20,000 restricted stock units (RSUs), which vest in four equal installments every six months beginning on September 16, 2026, and (ii) 17,500 RSUs, which vest in full on the earlier to occur of (i) March 16, 2027, and (ii) one day prior to the date of the Issuers 2027 annual meeting of shareholders. Each RSU represents a contingent right to receive one share of Common Stock. The RSUs do not expire."}],"balance_after":37500,"source":{"system":"sec-edgar","filing":"0001628280-26-037526","document":"wk-form4_1779449233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2028707/000162828026037526/wk-form4_1779449233.xml","form_type":"4"}},{"id":768208,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock 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restricted stock unit fully vested on May 20, 2026."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit fully vested on May 20, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The restricted stock unit fully vested on May 20, 2026."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.0001 per 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share","published_at":"2026-01-30T00:47:38.000Z","date":"2026-01-29","kind":"purchase","planned":false,"acquired":true,"shares":1300,"price":22.5994,"value":29379.22,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":1300,"source":{"system":"sec-edgar","filing":"0001897745-26-000004","document":"wk-form4_1769734056.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000189774526000004/wk-form4_1769734056.xml","form_type":"4"}},{"id":1024905,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-10-03T22:20:00.000Z","date":"2025-10-01","kind":"grant","planned":false,"acquired":true,"shares":5054,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock unit (\"RSU\") will vest on October 1, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock unit (\"RSU\") will vest on October 1, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."}],"balance_after":5054,"derivative":{"exercise_price":0,"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":5054},"source":{"system":"sec-edgar","filing":"0001897745-25-000006","document":"wk-form4_1759529998.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000189774525000006/wk-form4_1759529998.xml","form_type":"4"}},{"id":1065493,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-08-15T20:13:14.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":12284,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."}],"balance_after":12284,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":12284},"source":{"system":"sec-edgar","filing":"0001970622-25-000044","document":"wk-form4_1755288790.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000197062225000044/wk-form4_1755288790.xml","form_type":"4"}},{"id":1065492,"issuer":{"id":4023,"kind":"organization","name":"USA Rare Earth, Inc.","symbol":"USAR"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-08-15T20:13:14.000Z","date":"2025-08-13","kind":"grant","planned":false,"acquired":true,"shares":18199,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The restricted stock unit (\"RSU\") will fully vest on May 20, 2026. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan."}],"balance_after":18199,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":18199},"source":{"system":"sec-edgar","filing":"0001970622-25-000044","document":"wk-form4_1755288790.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1970622/000197062225000044/wk-form4_1755288790.xml","form_type":"4"}},{"id":1121590,"issuer":{"id":622,"kind":"organization","name":"Shimmick Corp","symbol":"SHIM"},"owners":[{"id":20898,"kind":"person","name":"Trabuco 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vesting and settling upon the date of next annual meeting of the Issuer's stockholders, subject to Reporting Person's continued service through such date."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.01 per share","underlying_shares":84269},"source":{"system":"sec-edgar","filing":"0000950170-25-082506","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1897745/000095017025082506/ownership.xml","form_type":"4"}},{"id":1121589,"issuer":{"id":622,"kind":"organization","name":"Shimmick Corp","symbol":"SHIM"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per 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The shares were acquired in multiple transactions at prices ranging from $1.65 to $1.69, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided."}],"balance_after":96544,"source":{"system":"sec-edgar","filing":"0000950170-25-076511","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1897745/000095017025076511/ownership.xml","form_type":"4"}},{"id":1140634,"issuer":{"id":622,"kind":"organization","name":"Shimmick Corp","symbol":"SHIM"},"owners":[{"id":20898,"kind":"person","name":"Trabuco Carolyn","position":1,"cik":"0001897745","reported_name":"Trabuco Carolyn","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2025-05-20T20:05:07.000Z","date":"2025-05-19","kind":"sale","planned":false,"acquired":false,"shares":2419,"price":1.62,"value":3918.78,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. 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