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(the \"Issuer\") that were withheld for the payment of tax liability arising as a result of the vesting of restricted stock units granted under the Wheels Up Experience Inc. 2021 Long-Term Incentive Plan, as amended and restated April 1, 2023 (as amended by Amendment No. 1 thereto, effective April 15, 2024, and Amendment No. 2 thereto, effective March 26, 2025), which were originally reported by the Reporting Person in a Form 4/A filed with the United States Securities and Exchange Commission on March 14, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amount of securities has been adjusted to reflect the Issuer's 1-for-20 reverse stock split that occurred on April 24, 2026."}],"balance_after":96243,"source":{"system":"sec-edgar","filing":"0001104659-26-067727","document":"tm2615885-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035382/000110465926067727/tm2615885-7_4seq1.xml","form_type":"4"}},{"id":877682,"issuer":{"id":6501,"kind":"organization","name":"Wheels Up Experience Inc.","symbol":"UP"},"owners":[{"id":18794,"kind":"person","name":"Knopf Matthew J.","position":1,"cik":"0002035382","reported_name":"Knopf Matthew J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2026-02-28T01:06:34.000Z","date":"2026-02-26","kind":"tax_withholding","planned":false,"acquired":false,"shares":35728,"price":0.66,"value":23580.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock that were withheld for the payment of tax liability arising as a result of the vesting of RSUs granted under the A&R 2021 LTIP, which were originally reported by the Reporting Person in a Form 4/A filed with the United States Securities and Exchange Commission on March 14, 2025."}],"balance_after":1932493,"source":{"system":"sec-edgar","filing":"0001104659-26-021764","document":"tm267619-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035382/000110465926021764/tm267619-2_4seq1.xml","form_type":"4"}},{"id":877681,"issuer":{"id":6501,"kind":"organization","name":"Wheels Up Experience Inc.","symbol":"UP"},"owners":[{"id":18794,"kind":"person","name":"Knopf Matthew J.","position":1,"cik":"0002035382","reported_name":"Knopf Matthew J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2026-02-28T01:06:34.000Z","date":"2026-02-25","kind":"grant","planned":false,"acquired":true,"shares":757211,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (\"RSUs\") under the Wheels Up Experience Inc. 2021 Long-Term Incentive Plan, as amended and restated April 1, 2023 (as amended by Amendment No. 1 thereto, effective April 15, 2024, and Amendment No. 2 thereto, effective March 26, 2025, the \"A&R 2021 LTIP\"), pursuant to Rule 16b-3(d) under the Securities Exchange Act of 1934, as amended. 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The RSUs will vest as follows: (i) 1/4th of the RSUs will vest on February 25, 2027; and (ii) the remaining RSUs will vest in 12 equal quarterly installments commencing May 25, 2027, in each case subject to the Reporting Person's continued service to the Issuer."}],"balance_after":1968221,"source":{"system":"sec-edgar","filing":"0001104659-26-021764","document":"tm267619-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035382/000110465926021764/tm267619-2_4seq1.xml","form_type":"4"}},{"id":1043062,"issuer":{"id":6501,"kind":"organization","name":"Wheels Up Experience Inc.","symbol":"UP"},"owners":[{"id":18794,"kind":"person","name":"Knopf Matthew J.","position":1,"cik":"0002035382","reported_name":"Knopf Matthew J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2025-09-12T00:01:48.000Z","date":"2025-09-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":87471,"price":2.22,"value":194185.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld for payment of tax liability arising as a result of the vesting of restricted stock units originally reported by the Reporting Person in a Form 4 filed with the United States Securities and Exchange Commission on September 11, 2024."}],"balance_after":1211010,"source":{"system":"sec-edgar","filing":"0001410578-25-002166","document":"tm2525916-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035382/000141057825002166/tm2525916-3_4seq1.xml","form_type":"4"}},{"id":1205970,"issuer":{"id":6501,"kind":"organization","name":"Wheels Up Experience Inc.","symbol":"UP"},"owners":[{"id":18794,"kind":"person","name":"Knopf Matthew J.","position":1,"cik":"0002035382","reported_name":"Knopf Matthew J.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2025-03-15T00:01:33.000Z","date":"2025-02-26","kind":"grant","planned":false,"acquired":true,"shares":410156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (\"RSUs\") pursuant to Rule 16b-3(d) under the Securities Exchange Act of 1934, as amended, which will be settled in shares of the Class A common stock, par value $0.0001 per share (\"Common Stock\"), of Wheels Up Experience Inc. 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