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PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 27,079 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":185258,"source":{"system":"sec-edgar","filing":"0001104659-26-115640","document":"tm2627530-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926115640/tm2627530-1_4seq1.xml","form_type":"4"}},{"id":4639886,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-10-13T23:58:52.000Z","date":"2026-10-09","kind":"exercise","planned":true,"acquired":true,"shares":2474,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"On January 11, 2024, the Reporting Person was granted 39,588 PSUs which vest upon 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. Of those PSUs, a total of 27,217 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":181390,"source":{"system":"sec-edgar","filing":"0001104659-26-115640","document":"tm2627530-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926115640/tm2627530-1_4seq1.xml","form_type":"4"}},{"id":4639885,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-10-13T23:58:52.000Z","date":"2026-10-09","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 58,594 have vested as of the date of this Form 4."},{"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":"Includes (i) 6,250 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 12,371 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 34,816 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,427 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) 6,250 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 14,845 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 38,684 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":174606,"source":{"system":"sec-edgar","filing":"0001104659-26-100826","document":"tm2624000-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926100826/tm2624000-1_4seq1.xml","form_type":"4"}},{"id":675765,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-08-25T20:30:54.000Z","date":"2026-08-21","kind":"sale","planned":true,"acquired":false,"shares":31799,"price":69.0908,"value":2197018.3492,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Includes the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 22, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $68.05 to $71.13. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) 6,250 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 14,845 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 38,684 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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6,250 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 14,845 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 38,684 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":248237,"source":{"system":"sec-edgar","filing":"0001104659-26-100826","document":"tm2624000-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926100826/tm2624000-1_4seq1.xml","form_type":"4"}},{"id":675763,"issuer":{"id":1860,"kind":"organization","name":"Liquidia 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Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F8","text":"These shares of common stock 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) 9,375 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 17,320 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 42,553 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 19,342 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 9,375 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 17,320 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 42,553 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":222727,"source":{"system":"sec-edgar","filing":"0001104659-26-043271","document":"tm2611789-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926043271/tm2611789-7_4seq1.xml","form_type":"4"}},{"id":808598,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:07:57.000Z","date":"2026-04-10","kind":"exercise","planned":true,"acquired":true,"shares":2474,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"On January 11, 2024, the Reporting Person was granted 39,588 PSUs which vest upon 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. Of those PSUs, a total of 22,268 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 9,375 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 17,320 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 42,553 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":218859,"source":{"system":"sec-edgar","filing":"0001104659-26-043271","document":"tm2611789-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926043271/tm2611789-7_4seq1.xml","form_type":"4"}},{"id":808597,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:07:57.000Z","date":"2026-04-10","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 50,781 have vested as of the date of this Form 4."},{"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":"Includes (i) 9,375 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 17,320 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 42,553 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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RSUs with 25% of the RSUs vesting on February 28, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 25,000 have vested as of the date of this Form 4."},{"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":"Includes (i) 9,375 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 19,794 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 46,421 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025, (iv) 27,683 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (v) 12,023 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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revenue from YUTREPIA in 2026 as disclosed in the Issuer's FY2026 10-K."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On January 16, 2026, the Reporting Person was granted 41,525 PSUs which vest upon the following time-based vesting schedule: (i) 25% of the PSUs shall vest on the Initial Vesting Date or, if later, the date on which the Issuer files its Form 10-K for the fiscal year ending December 31, 2026 (the \"FY2026 10-K\") and (ii) 6.25% of the PSUs vesting every three months following the Initial Vesting Date; so long as it satisfies the milestone-based vesting condition: the applicable percentage of the RSUs vesting based on net product sales revenue from YUTREPIA in 2026 as disclosed in the Issuer's FY2026 10-K."}],"balance_after":41525,"derivative":{"underlying":"Common 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Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F8","text":"These shares of common stock 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) 10,937 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 19,794 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 46,421 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 15,474 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 10,937 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 19,794 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 46,421 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":197722,"source":{"system":"sec-edgar","filing":"0001104659-26-003371","document":"tm263060-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926003371/tm263060-5_4seq1.xml","form_type":"4"}},{"id":939874,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-01-13T21:34:19.000Z","date":"2026-01-09","kind":"exercise","planned":true,"acquired":true,"shares":2474,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"On January 11, 2024, the Reporting Person was granted 39,588 PSUs which vest upon 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. Of those PSUs, a total of 19,794 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","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) 10,937 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 19,794 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 46,421 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":182248,"source":{"system":"sec-edgar","filing":"0001104659-26-003371","document":"tm263060-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465926003371/tm263060-5_4seq1.xml","form_type":"4"}},{"id":939873,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-01-13T21:34:19.000Z","date":"2026-01-09","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 46,875 have vested as of the date of this Form 4."},{"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":"Includes (i) 10,937 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 19,794 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 46,421 unvested RSUs of the 61,895 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $30.00 to $30.15. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) 10,937 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 22,268 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Stock","underlying_shares":3906},"source":{"system":"sec-edgar","filing":"0001104659-25-099745","document":"tm2528808-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925099745/tm2528808-2_4seq1.xml","form_type":"4"}},{"id":1018240,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-10-15T20:31:05.000Z","date":"2025-10-13","kind":"sale","planned":true,"acquired":false,"shares":3670,"price":23.41,"value":85914.7,"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 of common stock 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 and January 11, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 12,500 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 22,268 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":175690,"source":{"system":"sec-edgar","filing":"0001104659-25-099745","document":"tm2528808-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925099745/tm2528808-2_4seq1.xml","form_type":"4"}},{"id":1018239,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-10-15T20:31:05.000Z","date":"2025-10-10","kind":"exercise","planned":true,"acquired":true,"shares":2474,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On January 11, 2024, the Reporting Person was granted 39,588 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. Of those PSUs, a total of 17,320 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Performance stock units (\"PSUs\") and restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 12,500 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 22,268 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":179360,"source":{"system":"sec-edgar","filing":"0001104659-25-099745","document":"tm2528808-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925099745/tm2528808-2_4seq1.xml","form_type":"4"}},{"id":1018238,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-10-15T20:31:05.000Z","date":"2025-10-10","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 42,969 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Performance stock units (\"PSUs\") and restricted stock units (\"RSUs\") convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 12,500 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 22,268 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,586 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":176886,"source":{"system":"sec-edgar","filing":"0001104659-25-099745","document":"tm2528808-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925099745/tm2528808-2_4seq1.xml","form_type":"4"}},{"id":1051132,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Unit","published_at":"2025-09-02T21:03:06.000Z","date":"2025-08-29","kind":"exercise","planned":true,"acquired":false,"shares":1562,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."}],"balance_after":3125,"derivative":{"underlying":"Common Stock","underlying_shares":1562},"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1051131,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Unit","published_at":"2025-09-02T21:03:06.000Z","date":"2025-07-11","kind":"exercise","planned":true,"acquired":false,"shares":3906,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."}],"balance_after":23438,"derivative":{"underlying":"Common Stock","underlying_shares":3906},"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1051130,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-09-02T21:03:06.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":451,"price":29.05,"value":13101.55,"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 June 13, 2022."},{"field":"shares","element":"transactionShares","label":"F8","text":"These shares of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 16, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. Prior to this filing, the Reporting Person had (i) 200,116 and 197,540 securities beneficially owned, not the previously erroneously disclosed number of 196,210 and 193,634, respectively, as disclosed in the Reporting Person's Form 4 filed on July 15,2025 in Table I, Column 5 and (ii) 197,086 securities beneficially owned, not the previously erroneously disclosed number of 193,180 as disclosed in the Reporting Person's Form 4 filed on July 30,2025 in Table I, Column 5."}],"balance_after":172980,"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1051129,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-09-02T21:03:06.000Z","date":"2025-08-29","kind":"exercise","planned":true,"acquired":true,"shares":1562,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"On January 16, 2022, the Reporting Person was granted 25,000 RSUs with 25% vesting on February 28, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 21,875 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. Prior to this filing, the Reporting Person had (i) 200,116 and 197,540 securities beneficially owned, not the previously erroneously disclosed number of 196,210 and 193,634, respectively, as disclosed in the Reporting Person's Form 4 filed on July 15,2025 in Table I, Column 5 and (ii) 197,086 securities beneficially owned, not the previously erroneously disclosed number of 193,180 as disclosed in the Reporting Person's Form 4 filed on July 30,2025 in Table I, Column 5."}],"balance_after":173431,"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1051128,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-09-02T21:03:06.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":26057,"price":27.8564,"value":725854.2148,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $27.23 to $28.54. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. Prior to this filing, the Reporting Person had (i) 200,116 and 197,540 securities beneficially owned, not the previously erroneously disclosed number of 196,210 and 193,634, respectively, as disclosed in the Reporting Person's Form 4 filed on July 15,2025 in Table I, Column 5 and (ii) 197,086 securities beneficially owned, not the previously erroneously disclosed number of 193,180 as disclosed in the Reporting Person's Form 4 filed on July 30,2025 in Table I, Column 5."}],"balance_after":171029,"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1051127,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-09-02T21:03:06.000Z","date":"2025-07-11","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On January 11, 2023, the Reporting Person was granted 62,500 restricted stock units (\"RSUs\") with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 39,063 have vested as of the date of this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"RSUs convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. Prior to this filing, the Reporting Person had (i) 200,116 and 197,540 securities beneficially owned, not the previously erroneously disclosed number of 196,210 and 193,634, respectively, as disclosed in the Reporting Person's Form 4 filed on July 15,2025 in Table I, Column 5 and (ii) 197,086 securities beneficially owned, not the previously erroneously disclosed number of 193,180 as disclosed in the Reporting Person's Form 4 filed on July 30,2025 in Table I, Column 5."}],"balance_after":197086,"source":{"system":"sec-edgar","filing":"0001104659-25-086437","document":"tm2525033-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925086437/tm2525033-2_4seq1.xml","form_type":"4"}},{"id":1078890,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-07-30T20:31:13.000Z","date":"2025-07-28","kind":"sale","planned":true,"acquired":false,"shares":454,"price":19.54,"value":8871.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold to cover taxes associated with the settlement of restricted stock units (\"RSUs\") that were initially granted to the Reporting Person on July 6, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 12,500 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":193180,"source":{"system":"sec-edgar","filing":"0001104659-25-072194","document":"tm2522031-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925072194/tm2522031-2_4seq1.xml","form_type":"4"}},{"id":1087200,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Performance Stock Units","published_at":"2025-07-15T20:30:10.000Z","date":"2025-07-11","kind":"exercise","planned":true,"acquired":false,"shares":2475,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Performance stock units (\"PSUs\") convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Performance stock units (\"PSUs\") convert into common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Performance stock units (\"PSUs\") convert into common stock on a one-for-one basis."}],"balance_after":24742,"derivative":{"underlying":"Common Stock","underlying_shares":2475},"source":{"system":"sec-edgar","filing":"0001104659-25-068111","document":"tm2520991d1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925068111/tm2520991d1_4seq1.xml","form_type":"4"}},{"id":1087199,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-07-15T20:30:10.000Z","date":"2025-07-14","kind":"sale","planned":true,"acquired":false,"shares":2576,"price":14.28,"value":36785.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F5","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 and January 11, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":193634,"source":{"system":"sec-edgar","filing":"0001104659-25-068111","document":"tm2520991d1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925068111/tm2520991d1_4seq1.xml","form_type":"4"}},{"id":1087198,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-07-15T20:30:10.000Z","date":"2025-07-11","kind":"exercise","planned":true,"acquired":true,"shares":2475,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2024, the Reporting Person was granted 39,588 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. Of those PSUs, a total of 14,846 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) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 24,742 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F5","text":"These shares were sold to cover taxes associated with the settlement of PSUs that were initially granted to the Reporting Person on January 11, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested restricted stock units (\"RSUs\") of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 27,217 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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PSUs which 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 vesting ratably on a quarterly basis over three years thereafter and (B) the first commercial sale of YUTREPIA by the Issuer. 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RSUs with 25% of the RSUs vesting on January 16, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 20,313 have vested through May 30, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 14,062 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 27,217 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 35,156 have vested through April 14, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 15,625 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 27,217 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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RSUs with 25% of the RSUs vesting on January 16, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 18,750 have vested through February 28, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 15,625 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 10,746 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":182705,"source":{"system":"sec-edgar","filing":"0001104659-25-020348","document":"tm258244-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925020348/tm258244-1_4seq1.xml","form_type":"4"}},{"id":1291629,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-01-29T21:40:52.000Z","date":"2025-01-27","kind":"sale","planned":true,"acquired":false,"shares":445,"price":14.2,"value":6319.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F2","text":"These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units (\"RSUs\") that were initially granted to the Reporting Person on July 6, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 15,625 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024, (iii) 61,895 RSUs granted to the Reporting person on January 11, 2025, none of which have vested and (iv) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":179770,"source":{"system":"sec-edgar","filing":"0001104659-25-007237","document":"tm254728-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925007237/tm254728-1_4seq1.xml","form_type":"4"}},{"id":1303148,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Performance Stock Units","published_at":"2025-01-14T21:36:32.000Z","date":"2025-01-11","kind":"grant","planned":true,"acquired":true,"shares":61895,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each performance stock unit (\"PSU\") converts into one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"On January 11, 2025, the Reporting Person was granted 61,895 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"On January 11, 2025, the Reporting Person was granted 61,895 PSUs. The PSUs shall vest upon the later of (A) the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 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":61895,"derivative":{"underlying":"Common Stock","underlying_shares":61895},"source":{"system":"sec-edgar","filing":"0001104659-25-003468","document":"tm253294-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925003468/tm253294-2_4seq1.xml","form_type":"4"}},{"id":1303147,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-01-14T21:36:32.000Z","date":"2025-01-14","kind":"sale","planned":true,"acquired":false,"shares":4809,"price":11.78,"value":56650.02,"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 of common stock were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on January 11, 2023 and January 11, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":180215,"source":{"system":"sec-edgar","filing":"0001104659-25-003468","document":"tm253294-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465925003468/tm253294-2_4seq1.xml","form_type":"4"}},{"id":1303146,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2025-01-14T21:36:32.000Z","date":"2025-01-11","kind":"exercise","planned":true,"acquired":true,"shares":3906,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On January 11, 2023, the Reporting Person was granted 62,500 RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 31,250 have vested through January 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023, (ii) 29,691 unvested RSUs of the 39,588 RSUs granted to the Reporting Person on January 11, 2024 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Of those RSUs, a total of 17,188 have vested through November 30, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 17,187 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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RSUs with 25% of the RSUs vesting on January 11, 2024 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 27,344 have vested through October 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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taxes associated with the settlement of RSUs."},{"field":"shares","element":"transactionShares","label":"F5","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":115814,"source":{"system":"sec-edgar","filing":"0001104659-24-096912","document":"tm2423338-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465924096912/tm2423338-1_4seq1.xml","form_type":"4"}},{"id":1415101,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2024-09-04T20:51:59.000Z","date":"2024-08-30","kind":"exercise","planned":true,"acquired":true,"shares":1562,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 16, 2022, the Reporting Person was granted 25,000 RSUs with 25% of the RSUs vesting on February 28, 2023 and the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 15,625 have vested through August 30, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 9,373 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":116269,"source":{"system":"sec-edgar","filing":"0001104659-24-096912","document":"tm2423338-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465924096912/tm2423338-1_4seq1.xml","form_type":"4"}},{"id":1446998,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":19788,"kind":"person","name":"Adair Jason","position":1,"cik":"0001747055","reported_name":"Adair Jason","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2024-07-29T20:30:32.000Z","date":"2024-07-26","kind":"sale","planned":true,"acquired":false,"shares":1833,"price":11.44,"value":20969.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold to cover taxes associated with the settlement of RSUs that were initially granted to the Reporting Person on July 6, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 39,588 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4, (ii) 18,750 unvested RSUs of the 25,000 RSUs granted to the Reporting Person on July 6, 2023 and (iii) 8,059 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":113393,"source":{"system":"sec-edgar","filing":"0001104659-24-083560","document":"tm2420396-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1747055/000110465924083560/tm2420396-1_4seq1.xml","form_type":"4"}}],"next_cursor":"2024-07-29T20:30:32.000000Z,1446998"}