X0508 4 2024-03-18 0 0001819576 Liquidia Corp LQDA 0001832592 Moomaw Scott 419 DAVIS DRIVE, SUITE 100 MORRISVILLE NC 27560 0 1 0 0 Chief Commercial Officer 1 Common Stock 2024-03-18 4 S 0 6108 15.82 D 153466 D Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023. 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. Includes (i) 62,499 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 Plan. /s/ Scott Moomaw 2024-03-19