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69,729 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. 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69,729 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 21,791 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) 15,625 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 21,754 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 47,938 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 2,650 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":195105,"source":{"system":"sec-edgar","filing":"0001104659-26-043274","document":"tm2611789-8_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926043274/tm2611789-8_4seq1.xml","form_type":"4"}},{"id":808577,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-04-14T21:08:24.000Z","date":"2026-04-10","kind":"exercise","planned":true,"acquired":true,"shares":3107,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 11, 2024, the Reporting Person was granted 49,723 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 27,969 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) 15,625 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 21,754 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 47,938 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 2,650 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":190747,"source":{"system":"sec-edgar","filing":"0001104659-26-043274","document":"tm2611789-8_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926043274/tm2611789-8_4seq1.xml","form_type":"4"}},{"id":827936,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Incentive Stock Option (right to buy)","published_at":"2026-03-25T20:30:15.000Z","date":"2026-03-23","kind":"exercise","planned":true,"acquired":false,"shares":17000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vested with 25% vesting on November 19, 2021 and the remaining options vesting ratably on a monthly basis over three years thereafter and became fully vested on November 19, 2024."}],"balance_after":8300,"derivative":{"exercise_price":3.4,"exercise_date":"2024-11-19","expiration_date":"2030-11-19","underlying":"Common Stock","underlying_shares":17000},"source":{"system":"sec-edgar","filing":"0001104659-26-034545","document":"tm269732-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926034545/tm269732-1_4seq1.xml","form_type":"4"}},{"id":827935,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-03-25T20:30:15.000Z","date":"2026-03-23","kind":"sale","planned":true,"acquired":false,"shares":17000,"price":36.8128,"value":625817.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on November 7, 2025."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $36.13 to $37.20. 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) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 2,650 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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32,955 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) 2,650 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":187640,"source":{"system":"sec-edgar","filing":"0001104659-26-034545","document":"tm269732-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926034545/tm269732-1_4seq1.xml","form_type":"4"}},{"id":847961,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Incentive Stock Option (right to 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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 November 7, 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 $35.01 to $35.75. 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) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 3,964 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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(i) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 3,964 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":268954,"source":{"system":"sec-edgar","filing":"0001104659-26-026413","document":"tm268476-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465926026413/tm268476-1_4seq1.xml","form_type":"4"}},{"id":847956,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw 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Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022."},{"field":"shares","element":"transactionShares","label":"F5","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) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 3,964 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 30,000 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) 20,833 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025, (iv) 32,955 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) 3,964 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 49,433 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":49433,"derivative":{"underlying":"Common 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Of those PSUs, a total of 24,862 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) 20,833 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 24,861 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 52,296 unvested RSUs of the 69,729 RSUs granted to the Reporting Person on January 11, 2025 and (iv) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Of those RSUs, a total of 28,125 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) 26,041 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 27,969 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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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) 26,041 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 27,969 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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49,723 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 21,754 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) 26,041 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 27,969 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":158362,"source":{"system":"sec-edgar","filing":"0001104659-25-099751","document":"tm2528808-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925099751/tm2528808-6_4seq1.xml","form_type":"4"}},{"id":1049077,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Restricted Stock Units","published_at":"2025-09-03T20:33:50.000Z","date":"2025-08-29","kind":"exercise","planned":true,"acquired":false,"shares":1875,"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":3750,"derivative":{"underlying":"Common Stock","underlying_shares":1875},"source":{"system":"sec-edgar","filing":"0001104659-25-087067","document":"tm2525145-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925087067/tm2525145-5_4seq1.xml","form_type":"4"}},{"id":1049076,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2025-09-03T20:33:50.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":61685,"price":28.6224,"value":1765572.744,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $28.06 to $29.25. 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":"F4","text":"Includes (i) 31,249 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":155254,"source":{"system":"sec-edgar","filing":"0001104659-25-087067","document":"tm2525145-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925087067/tm2525145-5_4seq1.xml","form_type":"4"}},{"id":1049075,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2025-09-03T20:33:50.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":8315,"price":28.6224,"value":237995.256,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $28.06 to $29.25. 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":"F4","text":"Includes (i) 31,249 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":216939,"source":{"system":"sec-edgar","filing":"0001104659-25-087067","document":"tm2525145-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925087067/tm2525145-5_4seq1.xml","form_type":"4"}},{"id":1049074,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2025-09-03T20:33:50.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":692,"price":29.05,"value":20102.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022."},{"field":"shares","element":"transactionShares","label":"F5","text":"These shares 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":"F4","text":"Includes (i) 31,249 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":225254,"source":{"system":"sec-edgar","filing":"0001104659-25-087067","document":"tm2525145-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925087067/tm2525145-5_4seq1.xml","form_type":"4"}},{"id":1049073,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2025-09-03T20:33:50.000Z","date":"2025-08-29","kind":"exercise","planned":true,"acquired":true,"shares":1875,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On January 16, 2022, the Reporting Person was granted 37,500 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 26,250 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) 31,249 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,842 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F4","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) 31,249 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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49,723 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 18,646 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) 31,249 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 31,077 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023."},{"field":"shares","element":"transactionShares","label":"F4","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) 36,458 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,184 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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49,723 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 shall vest ratably on a quarterly basis over three years thereafter and (B) the first commercial sale of YUTREPIA by the Issuer. Of those PSUs, a total of 15,539 have vested through June 3, 2025."},{"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) 36,458 unvested restricted stock units (\"RSUs\") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,184 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022."},{"field":"shares","element":"transactionShares","label":"F4","text":"These shares were sold to cover taxes associated with the settlement of RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 36,458 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,184 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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30,000 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 24,375 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) 36,458 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 34,184 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Of those RSUs, a total of 22,500 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) 41,666 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 37,292 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 69,729 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) 11,002 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":218742,"source":{"system":"sec-edgar","filing":"0001104659-25-020353","document":"tm258244-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925020353/tm258244-3_4seq1.xml","form_type":"4"}},{"id":1303106,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Performance Stock Units","published_at":"2025-01-14T21:38:41.000Z","date":"2025-01-11","kind":"grant","planned":true,"acquired":true,"shares":69729,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each performance stock unit (\"PSU\") converts into one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On January 11, 2025, the Reporting Person was granted 69,729 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":"F7","text":"On January 11, 2025, the Reporting Person was granted 69,729 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":69729,"derivative":{"underlying":"Common Stock","underlying_shares":69729},"source":{"system":"sec-edgar","filing":"0001104659-25-003473","document":"tm253294-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465925003473/tm253294-4_4seq1.xml","form_type":"4"}},{"id":1303105,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief 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30,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 18,750 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) 52,082 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 9,629 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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30,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 16,875 have vested through February 29, 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) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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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 January 11, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 57,291 unvested RSUs of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022."},{"field":"shares","element":"transactionShares","label":"F4","text":"These shares were sold to cover taxes associated with the settlement of RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase 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30,000 RSUs with 25% vesting on February 28, 2023, with the remaining RSUs vesting ratably on a quarterly basis over three years thereafter. Of those RSUs, a total of 15,000 have vested through February 29, 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) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4, (ii) 49,723 RSUs granted to the Reporting Person on January 11, 2024, none of which have vested as of the date of this Form 4 and (iii) 8,315 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan."}],"balance_after":160120,"source":{"system":"sec-edgar","filing":"0001104659-24-030614","document":"tm247887-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465924030614/tm247887-2_4seq1.xml","form_type":"4"}},{"id":1678860,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Performance Stock Units","published_at":"2024-01-16T22:02:54.000Z","date":"2024-01-11","kind":"grant","planned":false,"acquired":false,"shares":49723,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each performance stock unit (\"PSU\") converts into one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On January 11, 2024, the Reporting Person was granted 49,723 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, 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On January 11, 2024, the Reporting Person was granted 49,723 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, 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":49723,"derivative":{"underlying":"Common Stock","underlying_shares":49723},"source":{"system":"sec-edgar","filing":"0001104659-24-004154","document":"tm243427-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819576/000110465924004154/tm243427-4_4seq1.xml","form_type":"4"}},{"id":1678859,"issuer":{"id":1860,"kind":"organization","name":"Liquidia Corp","symbol":"LQDA"},"owners":[{"id":30458,"kind":"person","name":"Moomaw Scott","position":1,"cik":"0001832592","reported_name":"Moomaw Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief 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