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The amount reported in Column 5 reports the correct amount of securities beneficially owned."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects the forfeiture of unvested RSUs, for no consideration, pursuant to the Separation Agreement, in an exempt transaction under Rule 16a-4(d)."}],"balance_after":226860,"source":{"system":"sec-edgar","filing":"0001213900-26-079806","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2070457/000121390026079806/ownership.xml","form_type":"4"}},{"id":809404,"issuer":{"id":4168,"kind":"organization","name":"Twenty One Capital, Inc.","symbol":"XXI"},"owners":[{"id":29246,"kind":"person","name":"Mallers Jack","position":1,"cik":"0002091894","reported_name":"Mallers Jack","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2026-04-13T20:15:05.000Z","date":"2026-04-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":119867,"price":6.64,"value":795916.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Class A common stock withheld by the Issuer to satisfy tax withholding upon the grant of shares of Class A common stock or vesting of restricted stock units (\"RSUs\"), as applicable."}],"balance_after":1513513,"source":{"system":"sec-edgar","filing":"0001213900-26-042984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2070457/000121390026042984/ownership.xml","form_type":"4"}},{"id":809403,"issuer":{"id":4168,"kind":"organization","name":"Twenty One Capital, Inc.","symbol":"XXI"},"owners":[{"id":29246,"kind":"person","name":"Mallers Jack","position":1,"cik":"0002091894","reported_name":"Mallers Jack","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2026-04-13T20:15:05.000Z","date":"2026-04-09","kind":"grant","planned":false,"acquired":true,"shares":1607866,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a grant of RSUs, which vest as follows: (a) 321,573 RSUs vested as of April 1, 2026, and (b) the remaining 1,286,293 RSUs will vest quarterly in equal tranches over the subsequent four years. 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