X0609 4 2026-08-17 0 0001819576 Liquidia Corp LQDA 0001935638 Saggar Rajeev false 419 DAVIS DRIVE SUITE 100 MORRISVILLE NC 27560 0 1 0 0 Chief Medical Officer 0 Common Stock 2026-08-17 4 S 0 29534 76.8396 D 142265 D Common Stock 2026-08-19 4 M 0 50000 3.73 A 192265 D Common Stock 2026-08-19 4 S 0 50000 74.0565 D 142265 D Non-Qualified Stock Option (right to buy) 3.73 2026-08-19 4 M 0 50000 0 D 2026-07-18 2032-07-18 Common Stock 50000 150000 D Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $76.76 to $77.13. 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. Includes (i) 10,416 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 21,184 unvested RSUs of the 56,492 RSUs granted to the Reporting Person on January 11, 2024, (iii) 44,862 unvested RSUs of the 71,780 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. Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4. Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $74.00 to $74.60. 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. The option vested over a four-year period with 25% vesting on July 18, 2023 and the remaining 75% vesting ratably on a monthly basis over three years thereafter and became fully vested on July 18, 2026. /s/ Dr. Rajeev Saggar 2026-08-19