X0508 4 2025-11-07 0 0001819576 Liquidia Corp LQDA 0002074453 Boyle Dana 419 DAVIS DRIVE, SUITE 100 MORRISVILLE NC 27560 0 1 0 0 Chief Accounting Officer 0 Common Stock 2025-11-07 4 S 0 8342 25.16 D 175996 D Common Stock 2025-11-07 4 S 0 20662 25.06 D 155334 D Includes (i) 1,884 unvested restricted stock units ("RSUs") of the 15,075 RSUs granted to the Reporting Person on January 16, 2022, (ii) 15,625 unvested RSUs of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (iii) 32,110 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iv) 50,861 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 (v) 25,000 RSUs granted to the Reporting Person on July 1, 2025, none of which have vested as of the date of this Form 4 and (vi) 3,527 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. /s/ Dana Boyle 2025-11-12