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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F10","text":"The securities are held by Serendipity BioPharma LLC (\"Serendipity\"). The Reporting Person is a manager of Serendipity and has sole voting and dispositive power over the Issuer common stock held by Serendipity."}],"balance_after":1495234,"source":{"system":"sec-edgar","filing":"0001104659-26-043262","document":"tm2611789-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465926043262/tm2611789-1_4seq1.xml","form_type":"4"}},{"id":808698,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS ROGER","position":1,"cik":"0001231615","reported_name":"JEFFS ROGER","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:05:28.000Z","date":"2026-04-13","kind":"sale","planned":true,"acquired":false,"shares":32744,"price":38.37,"value":1256387.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F6","text":"These shares were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023, January 11, 2024 and January 11, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 54,281 unvested restricted stock units (\"RSUs\") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 96,835 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 157,662 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4."}],"balance_after":1137599,"source":{"system":"sec-edgar","filing":"0001104659-26-043262","document":"tm2611789-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465926043262/tm2611789-1_4seq1.xml","form_type":"4"}},{"id":808697,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS ROGER","position":1,"cik":"0001231615","reported_name":"JEFFS ROGER","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:05:28.000Z","date":"2026-04-10","kind":"exercise","planned":true,"acquired":true,"shares":14333,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On January 11, 2025, the Reporting Person was granted 229,327 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 71,665 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Performance stock units (\"PSUs\") convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 54,281 unvested restricted stock units (\"RSUs\") of the 289,500 RSUs granted to the Reporting Person on January 11, 2023, (ii) 96,835 unvested RSUs of the 221,338 RSUs granted to the Reporting Person on January 11, 2024, (iii) 157,662 unvested RSUs of the 229,327 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 115,344 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4."}],"balance_after":1170343,"source":{"system":"sec-edgar","filing":"0001104659-26-043262","document":"tm2611789-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465926043262/tm2611789-1_4seq1.xml","form_type":"4"}},{"id":808696,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS ROGER","position":1,"cik":"0001231615","reported_name":"JEFFS ROGER","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:05:28.000Z","date":"2026-04-10","kind":"exercise","planned":true,"acquired":true,"shares":13834,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2024, the Reporting Person was granted 221,338 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs vesting ratably on a quarterly basis over three years thereafter. 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The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter and (B) the first commercial sale of YUTREPIA by the Issuer."}],"balance_after":221338,"derivative":{"underlying":"Common Stock","underlying_shares":221338},"source":{"system":"sec-edgar","filing":"0001104659-24-004148","document":"tm243427-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465924004148/tm243427-1_4seq1.xml","form_type":"4"}},{"id":1679024,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS ROGER","position":1,"cik":"0001231615","reported_name":"JEFFS ROGER","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief 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thereafter."}],"balance_after":496749,"source":{"system":"sec-edgar","filing":"0001104659-23-003881","document":"tm232332-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465923003881/tm232332-4_4seq1.xml","form_type":"4"}},{"id":2062104,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS ROGER","position":1,"cik":"0001231615","reported_name":"JEFFS ROGER","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock Unit","published_at":"2023-01-05T22:35:50.000Z","date":"2023-01-03","kind":"exercise","acquired":false,"shares":15807,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":15807},"source":{"system":"sec-edgar","filing":"0001104659-23-001529","document":"tm232332-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465923001529/tm232332-1_4seq1.xml","form_type":"4"}},{"id":2062103,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30518,"kind":"person","name":"JEFFS 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As of January 3, 2023, the 2022 RSUs have fully vested."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of securities shown to be beneficially owned following the transaction being reported in this Form 4 reflects a downward adjustment of 15,808 shares of common stock due to a previous clerical error in double counting a vested portion of the 2022 RSUs in that certain previous Form 4 filed by the Reporting Person on October 4, 2022."}],"balance_after":207249,"source":{"system":"sec-edgar","filing":"0001104659-23-001529","document":"tm232332-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1231615/000110465923001529/tm232332-1_4seq1.xml","form_type":"4"}}],"next_cursor":"2023-01-05T22:35:50.000000Z,2062103"}