SEC Form 4 · accession 0001104659-26-099703
Liquidia Corp · LQDA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Katherine Rielly-Gauvin
Director
Period of report
Aug 19, 2026
Accepted (ET)
Aug 21, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001819576
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 19, 2026 | M | 23,455 | $2.51 | A | 68,092 | D | |
| Common StockF1 | Aug 19, 2026 | M | 13,334 | $2.59 | A | 81,426 | D | |
| Common StockF3,F1 | Aug 19, 2026 | S | 36,789 | $74.9941 | D | 44,637 | D | |
| Common StockF1 | Aug 20, 2026 | M | 11,727 | $2.51 | A | 56,364 | D | |
| Common StockF1 | Aug 20, 2026 | M | 6,666 | $2.59 | A | 63,030 | D | |
| Common StockF4,F1 | Aug 20, 2026 | S | 18,393 | $72.2273 | D | 44,637 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-Qualified Stock Option (right to buy)F5 | $2.51 | Aug 19, 2026 | M | 23,455 | D | Dec 31, 2021 | Mar 24, 2031 | Common Stock | 23,455 | 11,727 | D |
| Non-Qualified Stock Option (right to buy)F6 | $2.59 | Aug 19, 2026 | M | 13,334 | D | Aug 20, 2024 | Aug 20, 2031 | Common Stock | 13,334 | 6,666 | D |
| Non-Qualified Stock Option (right to buy)F5 | $2.51 | Aug 20, 2026 | M | 11,727 | D | Dec 31, 2021 | Mar 24, 2031 | Common Stock | 11,727 | 0 | D |
| Non-Qualified Stock Option (right to buy)F6 | $2.59 | Aug 20, 2026 | M | 6,666 | D | Aug 20, 2024 | Aug 20, 2031 | Common Stock | 6,666 | 0 | D |
Explanation of responses
- F1Includes 5,882 restricted stock units granted to the Reporting Person on June 16, 2026, none of which have vested as of the date of this Form 4.
- F2Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4.
- F3Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $73.28 to $76.37. 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.
- F4Price is the volume weighted average price of all transactions made by the Reporting Person on the transaction date for prices ranging from $71.00 to $74.35. 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.
- F5The option vested in four equal quarterly installments and became fully vested on December 31, 2021.
- F6The option vested in 36 equal monthly installments and became fully vested on August 20, 2024.