RIELLY-GAUVIN KATHERINE sold 55.3% of their position (55.18K shares) of LIQUIDIA CORP on the open market

Open‑market sale worth $4.09M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales

RIELLY-GAUVIN KATHERINE

Filed: 8/21/2026ACC: 0001104659-26-099703

InsiderRIELLY-GAUVIN KATHERINECIK 1791718

→

IssuerLIQUIDIA CORPCIK 1819576

Director

Since Mar 2021

-55.18K

Net shares

Net seller

$4.09M

Total sold

Open market trades

0B · 2S

Total transactions

55.18K acquired · 110.36K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+23.45K

Price / share

$2.51

Trade value

$58.87K

% of position

52.5%

8/19/2026

44.64K→68.09K

Common Stock

Direct

M · Option Exercise

+13.33K

Price / share

$2.59

Trade value

$34.54K

% of position

19.6%

8/19/2026

68.09K→81.43K

Common Stock

Direct

S · Sale

−36.79K

Price / share

$74.99

Trade value

$2.76M

% of position

45.2%

8/19/2026

81.43K→44.64K

Common Stock

Direct

M · Option Exercise

+11.73K

Price / share

$2.51

Trade value

$29.43K

% of position

26.3%

8/20/2026

44.64K→56.36K

Common Stock

Direct

M · Option Exercise

+6.67K

Price / share

$2.59

Trade value

$17.26K

% of position

11.8%

8/20/2026

56.36K→63.03K

Common Stock

Direct

S · Sale

−18.39K

Price / share

$72.23

Trade value

$1.33M

% of position

29.2%

8/20/2026

63.03K→44.64K

Total

Net shares

+0.00

Net value

-$3.95M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/19/2026	M · Option Exercise	+23.45K	$2.51	$58.87K	52.5%	44.64K	68.09K
Common Stock Direct	8/19/2026	M · Option Exercise	+13.33K	$2.59	$34.54K	19.6%	68.09K	81.43K
Common Stock Direct	8/19/2026	S · Sale	−36.79K	$74.99	$2.76M	45.2%	81.43K	44.64K
Common Stock Direct	8/20/2026	M · Option Exercise	+11.73K	$2.51	$29.43K	26.3%	44.64K	56.36K
Common Stock Direct	8/20/2026	M · Option Exercise	+6.67K	$2.59	$17.26K	11.8%	56.36K	63.03K
Common Stock Direct	8/20/2026	S · Sale	−18.39K	$72.23	$1.33M	29.2%	63.03K	44.64K
Total			+0.00		-$3.95M

Derivative Transactions4

Non-Qualified Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

23.45K shares

−23.45K

Strike price

2.51

Held after

11.73K

Exercisable

—

8/19/2026

Non-Qualified Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

13.33K shares

−13.33K

Strike price

2.59

Held after

6.67K

Exercisable

—

8/19/2026

Non-Qualified Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

11.73K shares

−11.73K

Strike price

2.51

Held after

0.00

Exercisable

—

8/20/2026

Non-Qualified Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

6.67K shares

−6.67K

Strike price

2.59

Held after

0.00

Exercisable

—

8/20/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Non-Qualified Stock Option (right to buy) Direct	Common Stock23.45K shares	8/19/2026	M · Option Exercise	−23.45K	2.51	—	11.73K
Non-Qualified Stock Option (right to buy) Direct	Common Stock13.33K shares	8/19/2026	M · Option Exercise	−13.33K	2.59	—	6.67K
Non-Qualified Stock Option (right to buy) Direct	Common Stock11.73K shares	8/20/2026	M · Option Exercise	−11.73K	2.51	—	0.00
Non-Qualified Stock Option (right to buy) Direct	Common Stock6.67K shares	8/20/2026	M · Option Exercise	−6.67K	2.59	—	0.00