Katherine Rielly-Gauvin Sells $4.09M of Liquidia Corp (LQDA) — SEC Form 4, Aug 21, 2026

Open-Market Net Sale · SEC Form 4

−$4,087,435

10b5-1 Plan

Reporting Owner

Katherine Rielly-Gauvin

Director

TXN 2026-08-20 · FILED 2026-08-21

Equity Position 81.4K sh 81,426 → 81,426

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Liquidia Corp

LQDA CIK 0001819576

Reporting Owner

Name	Relationship
Katherine Rielly-Gauvin CIK 0001791718	Director

Katherine Rielly-Gauvin at Liquidia Corp Full insider history

Bought (12 mo) —

Sold (12 mo) $4,087,435

More from this insider at Liquidia Corp

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common StockF1	2026-08-19	M - Exercise 10b5-1	23,455 A	$2.51	+$58,872	68,092	Direct
Common StockF1	2026-08-19	M - Exercise 10b5-1	13,334 A	$2.59	+$34,535	81,426	Direct
Common StockF2 F3 F1	2026-08-19	S - Sale 10b5-1	36,789 D	$74.99	-$2,758,958	44,637	Direct
Common StockF1	2026-08-20	M - Exercise 10b5-1	11,727 A	$2.51	+$29,435	56,364	Direct
Common StockF1	2026-08-20	M - Exercise 10b5-1	6,666 A	$2.59	+$17,265	63,030	Direct
Common StockF2 F4 F1	2026-08-20	S - Sale 10b5-1	18,393 D	$72.23	-$1,328,477	44,637	Direct

Derivative Securities Transactions

Title	Strike	Date	Type	Shares	Price	Expiration	Underlying	Ownership
Non-Qualified Stock Option (right to buy)F5	$2.51	2026-08-19	M - Exercise 10b5-1	23,455 D	$0.00	2031-03-24	23,455 Common Stock	Direct
Non-Qualified Stock Option (right to buy)F6	$2.59	2026-08-19	M - Exercise 10b5-1	13,334 D	$0.00	2031-08-20	13,334 Common Stock	Direct
Non-Qualified Stock Option (right to buy)F5	$2.51	2026-08-20	M - Exercise 10b5-1	11,727 D	$0.00	2031-03-24	11,727 Common Stock	Direct
Non-Qualified Stock Option (right to buy)F6	$2.59	2026-08-20	M - Exercise 10b5-1	6,666 D	$0.00	2031-08-20	6,666 Common Stock	Direct

Footnotes (6)

F1: Includes 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. Show more
F2: Represents the subsequent sale of the underlying shares from the exercise of stock options reported on this Form 4. Show more
F3: Price 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. Show more
F4: Price 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. Show more
F5: The option vested in four equal quarterly installments and became fully vested on December 31, 2021. Show more
F6: The option vested in 36 equal monthly installments and became fully vested on August 20, 2024. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 4 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Liquidia Corp

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