X0508 4 2024-02-29 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 2024-02-29 4 M 0 1875 A 160120 D Common Stock 2024-02-29 4 S 0 546 14.17 D 159574 D Restricted Stock Unit 2024-02-29 4 M 0 1875 0 D Common Stock 1875 15000 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock. On January 16, 2022, the Reporting Person was granted 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. 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. These shares were sold to cover taxes associated with the settlement of RSUs. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 13, 2022. /s/ Scott Moomaw 2024-03-04