X0508 4 2025-12-01 0 0001819576 Liquidia Corp LQDA 0002074990 Krepp Sarah 419 DAVIS DRIVE, SUITE 100 MORRISVILLE NC 27560 0 1 0 0 Chief Human Resource Officer 1 Common Stock 2025-12-01 4 S 0 221 32.19 D 141218 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, 2024. Includes (i) 32,698 unvested RSUs of the 61,465 RSUs granted to the Reporting Person on January 11, 2024, (ii) 8,565 unvested RSUs of the 12,459 RSUs granted to the Reporting Person on July 1, 2024, (iii) 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, (iv) 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 (v) 5,312 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan. /s/ Sarah Krepp 2025-12-02