[Form 4] Liquidia Corporation Insider Trading Activity

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Schundler Russell

Role General Counsel

Sold 7,836 shs ($112K)

Approx. gross sale proceeds $112K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	7,836	$14.28	$112K
Exercise	Performance Stock Units	3,759	$0.00	$0.00
Exercise	Common Stock	3,759	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Performance Stock Units — 37,584 contracts (Direct); Common Stock — 577,977 shares (Direct); Common Stock — 14,500 shares (Indirect, By Spouse)

Footnotes (6)

1. F1. Performance stock units ("PSUs") convert into common stock on a one-for-one basis.
2. F2. On January 11, 2024, the Reporting Person was granted 60,135 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 22,551 have vested as of the date of this Form 4.
3. F3. Includes (i) 39,062 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 68,834 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 102,543 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,029 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.
4. F4. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.
5. F5. These shares of common stock were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023 and January 11, 2024.
6. F6. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

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Accepted by SEC EDGAR 07/15/2025 - 04:36 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Schundler Russell

(Last) (First) (Middle)

419 DAVIS DRIVE, SUITE 100

(Street)

MORRISVILLE NC 27560

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Liquidia Corp [ LQDA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
07/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/11/2025		M		3,759(2)	A	(1)	585,813(3)	D
Common Stock	07/14/2025		S(4)		7,836(5)	D	$14.28	577,977(3)	D
Common Stock								14,500(6)	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units	(1)	07/11/2025		M			3,759	(1)	(1)	Common Stock	3,759	$0	37,584	D

Explanation of Responses:

1. Performance stock units ("PSUs") convert into common stock on a one-for-one basis.

2. On January 11, 2024, the Reporting Person was granted 60,135 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2025 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 22,551 have vested as of the date of this Form 4.

3. Includes (i) 39,062 unvested restricted stock units ("RSUs") of the 104,167 RSUs granted to the Reporting Person on January 11, 2023, (ii) 68,834 unvested RSUs of the 110,135 RSUs granted to the Reporting Person on January 11, 2024, (iii) 102,543 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 and (iv) 11,029 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

4. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.

5. These shares of common stock were sold to cover taxes associated with the settlement of RSUs and PSUs that were initially granted to the Reporting Person on January 11, 2023 and January 11, 2024.

6. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

	/s/ Russell Schundler	07/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.