{"transactions":[{"id":743239,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-06-11T00:34:16.000Z","date":"2026-06-09","kind":"grant","planned":false,"acquired":true,"shares":3038,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2027; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2027; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2027; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."}],"balance_after":3038,"derivative":{"underlying":"Common Stock","underlying_shares":3038},"source":{"system":"sec-edgar","filing":"0001801368-26-000039","document":"wk-form4_1781138053.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000180136826000039/wk-form4_1781138053.xml","form_type":"4"}},{"id":1115082,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-06-12T01:12:41.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":4957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2026; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2026; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2026; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."}],"balance_after":4957,"derivative":{"underlying":"Common Stock","underlying_shares":4957},"source":{"system":"sec-edgar","filing":"0001628280-25-030838","document":"wk-form4_1749690756.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000162828025030838/wk-form4_1749690756.xml","form_type":"4"}},{"id":1482163,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-06-12T21:34:01.000Z","date":"2024-06-11","kind":"grant","planned":false,"acquired":true,"shares":9316,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 11, 2025; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 11, 2025; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 11, 2025; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."}],"balance_after":9316,"derivative":{"underlying":"Common Stock","underlying_shares":9316},"source":{"system":"sec-edgar","filing":"0001628280-24-027881","document":"wk-form4_1718228033.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000162828024027881/wk-form4_1718228033.xml","form_type":"4"}},{"id":1511599,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T22:31:11.000Z","date":"2024-05-16","kind":"gift","planned":false,"acquired":false,"shares":86000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On May 16, 2024, the reporting person donated 86,000 shares of Common Stock to a donor-advised fund, which will use the gifted shares for charitable purposes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001801368-24-000049","document":"wk-form4_1715985059.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000180136824000049/wk-form4_1715985059.xml","form_type":"4"}},{"id":1511598,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T22:31:11.000Z","date":"2024-05-16","kind":"sale","planned":false,"acquired":false,"shares":317750,"price":18.07,"value":5741742.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.06 to $18.08. The reporting person undertakes to provide to MP Materials Corp., any security holder of MP Materials Corp., 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 range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 18,112 shares of Common Stock acquired in a pro rata distribution in-kind, the acquisition of which was exempt pursuant to Rule 16a-9."}],"balance_after":86000,"source":{"system":"sec-edgar","filing":"0001801368-24-000049","document":"wk-form4_1715985059.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000180136824000049/wk-form4_1715985059.xml","form_type":"4"}},{"id":1855983,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-06-14T20:32:18.000Z","date":"2023-06-13","kind":"grant","planned":false,"acquired":true,"shares":5934,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2024; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2024; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") common stock. These RSUs vest on the earlier of: (i) June 15, 2024; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."}],"balance_after":5934,"derivative":{"underlying":"Common Stock","underlying_shares":5934},"source":{"system":"sec-edgar","filing":"0001209191-23-037037","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000120919123037037/doc4.xml","form_type":"4"}},{"id":2101133,"issuer":{"id":121965,"kind":"organization","name":"Fortress Value Acquisition Corp. IV","symbol":"FVIV"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock, par value $0.0001","published_at":"2022-11-30T21:49:30.000Z","date":"2022-11-30","kind":"disposition_to_issuer","acquired":false,"shares":25000,"price":10.07,"value":251750.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 22, 2022, Fortress Value Acquisition Corp. IV (the \"Company\") held a special meeting of stockholders (the \"Special Meeting\"), as described in the Company's Current Report on Form 8-K filed with the SEC on November 22, 2022. At the Special Meeting, stockholders of the Company approved amendments to the Company's amended and restated certificate of incorporation (the \"Charter Amendment Proposal\") and the Investment Management Trust Agreement, dated March 15, 2021, by and between the Company and Continental Stock Transfer & Trust Company, as trustee (the \"Trust Amendment Proposal\"). Following the approval of the Charter Amendment Proposal and the Trust Amendment Proposal, in connection with the liquidation contemplated by the Investment Management Trust Agreement, the Company redeemed 25,000 shares of Class A Common Stock of the Company held by the Reporting Person at $10.07 per share on November 30, 2022."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-037211","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924322037211/doc4.xml","form_type":"4"}},{"id":2101132,"issuer":{"id":121963,"kind":"organization","name":"Fortress Value Acquisition Corp. III","symbol":"FVT"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock, par value $0.0001","published_at":"2022-11-30T21:41:35.000Z","date":"2022-11-30","kind":"disposition_to_issuer","acquired":false,"shares":30000,"price":10.07,"value":302100.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 22, 2022, Fortress Value Acquisition Corp. III (the \"Company\") held a special meeting of stockholders (the \"Special Meeting\"), as described in the Company's Current Report on Form 8-K filed with the SEC on November 22, 2022. At the Special Meeting, stockholders of the Company approved amendments to the Company's amended and restated certificate of incorporation (the \"Charter Amendment Proposal\") and the Investment Management Trust Agreement, dated January 4, 2021, by and between the Company and Continental Stock Transfer & Trust Company, as trustee (the \"Trust Amendment Proposal\"). Following the approval of the Charter Amendment Proposal and the Trust Amendment Proposal, in connection with the liquidation contemplated by the Investment Management Trust Agreement, the Company redeemed 30,000 shares of Class A Common Stock of the Company held by the Reporting Person at $10.07 per share on November 30, 2022."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-037201","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924322037201/doc4.xml","form_type":"4"}},{"id":2230072,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-06-16T20:40:49.000Z","date":"2022-06-14","kind":"grant","acquired":true,"shares":2849,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2023; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2023; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of MP Materials Corp. (\"Issuer\") Class A common stock. These RSUs vest on the earlier of: (i) June 15, 2023; and (ii) the next annual meeting of the Issuer's stockholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a \"change in control event\" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or disability."}],"balance_after":2849,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2849},"source":{"system":"sec-edgar","filing":"0001209191-22-037459","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000120919122037459/doc4.xml","form_type":"4"}},{"id":2253628,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2022-05-27T21:51:00.000Z","date":"2022-05-12","kind":"gift","acquired":false,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 12, 2022, the reporting person donated 100,000 shares of Class A Common Stock to a donor-advised fund, which will use the gifted shares for charitable purposes."}],"balance_after":385638,"source":{"system":"sec-edgar","filing":"0001209191-22-032698","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000120919122032698/doc4.xml","form_type":"4"}},{"id":2605575,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-12T21:08:59.000Z","date":"2021-08-10","kind":"sale","acquired":false,"shares":75700,"price":38.63,"value":2924291.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.31 to $39.04, inclusive. The reporting person undertakes to provide to MP Materials Corp., any security holder of MP Materials Corp., 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 range set forth in footnote (2) to this Form 4."}],"balance_after":485638,"source":{"system":"sec-edgar","filing":"0001209191-21-051175","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000120919121051175/doc4.xml","form_type":"4"}},{"id":2605574,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-12T21:08:59.000Z","date":"2021-08-10","kind":"sale","acquired":false,"shares":74300,"price":37.71,"value":2801853.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.31 to $38.30, inclusive. The reporting person undertakes to provide to MP Materials Corp., any security holder of MP Materials Corp., 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 range set forth in footnote (1) to this Form 4."}],"balance_after":561338,"source":{"system":"sec-edgar","filing":"0001209191-21-051175","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000120919121051175/doc4.xml","form_type":"4"}},{"id":2778687,"issuer":{"id":121965,"kind":"organization","name":"Fortress Value Acquisition Corp. IV","symbol":"FVIV"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrants","published_at":"2021-03-18T21:21:27.000Z","date":"2021-03-18","kind":"purchase","acquired":true,"shares":3125,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-253306)."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-253306)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-253306)."}],"balance_after":3125,"derivative":{"underlying":"Class A Common Stock, par value $0.0001","underlying_shares":3125},"source":{"system":"sec-edgar","filing":"0000899243-21-012570","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924321012570/doc4.xml","form_type":"4"}},{"id":2778686,"issuer":{"id":121965,"kind":"organization","name":"Fortress Value Acquisition Corp. IV","symbol":"FVIV"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock, par value $0.0001","published_at":"2021-03-18T21:21:27.000Z","date":"2021-03-18","kind":"purchase","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 25,000 units of Fortress Value Acquisition Corp. IV (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $250,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-eighth of one redeemable warrant."}],"balance_after":25000,"source":{"system":"sec-edgar","filing":"0000899243-21-012570","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924321012570/doc4.xml","form_type":"4"}},{"id":2913258,"issuer":{"id":121963,"kind":"organization","name":"Fortress Value Acquisition Corp. III","symbol":"FVT"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Warrants","published_at":"2021-01-07T19:44:27.000Z","date":"2021-01-07","kind":"purchase","acquired":true,"shares":6000,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-250817)."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-250817)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-250817)."}],"balance_after":6000,"derivative":{"underlying":"Class A common stock, par value $0.0001","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0000899243-21-000871","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924321000871/doc4.xml","form_type":"4"}},{"id":2913257,"issuer":{"id":121963,"kind":"organization","name":"Fortress Value Acquisition Corp. III","symbol":"FVT"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock, par value $0.0001","published_at":"2021-01-07T19:44:27.000Z","date":"2021-01-07","kind":"purchase","acquired":true,"shares":30000,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. III (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."}],"balance_after":30000,"source":{"system":"sec-edgar","filing":"0000899243-21-000871","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680357/000089924321000871/doc4.xml","form_type":"4"}},{"id":2921257,"issuer":{"id":3549,"kind":"organization","name":"MP Materials Corp. / DE","symbol":"MP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true}}],"security":"Class A common stock, par value $0.0001 per share","published_at":"2021-01-05T21:08:56.000Z","date":"2020-12-31","kind":"other","acquired":true,"shares":635638,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person received a distribution-in-kind of shares from a stockholder for no additional consideration in proportion to the Reporting Person's economic interest. Such shares remain subject to the terms of a lock-up with the Issuer."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person received a distribution-in-kind of shares from a stockholder for no additional consideration in proportion to the Reporting Person's economic interest. Such shares remain subject to the terms of a lock-up with the Issuer."}],"balance_after":635638,"source":{"system":"sec-edgar","filing":"0001140361-21-000186","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1801368/000114036121000186/form4.xml","form_type":"4"}},{"id":3054599,"issuer":{"id":79823,"kind":"organization","name":"ATI Physical Therapy, Inc.","symbol":"ATIP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Warrants","published_at":"2020-08-18T17:38:32.000Z","date":"2020-08-14","kind":"purchase","acquired":true,"shares":6000,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-240092)."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-240092)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each whole warrant entitles the holder thereof to purchase one share of Common Stock at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading \"Description of Securities-Redeemable Warrants\" in the Issuer's registration statement on Form S-1 (File No. 333-240092)."}],"balance_after":6000,"derivative":{"underlying":"Class A common stock, par value $0.0001","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0000899243-20-022749","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1815849/000089924320022749/doc4.xml","form_type":"4"}},{"id":3054598,"issuer":{"id":79823,"kind":"organization","name":"ATI Physical Therapy, Inc.","symbol":"ATIP"},"owners":[{"id":39686,"kind":"person","name":"McKnight Andrew A.","position":1,"cik":"0001680357","reported_name":"McKnight Andrew A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock, par value $0.0001","published_at":"2020-08-18T17:38:32.000Z","date":"2020-08-14","kind":"purchase","acquired":true,"shares":30000,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person purchased 30,000 units of Fortress Value Acquisition Corp. II (the \"Issuer\") for $10.00 per unit directly from the underwriters in connection with the Issuer's initial public offering for an aggregate purchase price of $300,000. Each unit consists of one share of the Issuer's Class A common stock, par value $0.0001 (\"Common Stock\"), and one-fifth of one redeemable warrant."}],"balance_after":30000,"source":{"system":"sec-edgar","filing":"0000899243-20-022749","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1815849/000089924320022749/doc4.xml","form_type":"4"}}]}