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Form 4 Liquidia Corp For: Apr 10 Filed by: Moomaw Scott

April 14, 2026 5:08 PM
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
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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 *
Moomaw Scott
(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)
Chief Commercial Officer
3. Date of Earliest Transaction (Month/Day/Year)
04/10/2026
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 04/10/2026 M 3,107 (2) A (1) 190,747 (3) D
Common Stock 04/10/2026 M 4,358 (4) A (1) 195,105 (3) D
Common Stock 04/13/2026 S (5) 8,861 (6) D $ 38.37 186,244 (3) D
Common Stock 04/13/2026 S (7) 1,686 D $ 38.2 184,558 (3) D
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) 04/10/2026 M 3,107 (1) (1) Common Stock 3,107 $ 0 21,754 D
Performance Stock Units (1) 04/10/2026 M 4,358 (1) (1) Common Stock 4,358 $ 0 47,938 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 49,723 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 27,969 have vested as of the date of this Form 4.
3. Includes (i) 15,625 unvested restricted stock units ("RSUs") of the 83,333 RSUs granted to the Reporting Person on January 11, 2023, (ii) 21,754 unvested RSUs of the 49,723 RSUs granted to the Reporting Person on January 11, 2024, (iii) 47,938 unvested RSUs of the 69,729 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.
4. On January 11, 2025, the Reporting Person was granted 69,729 PSUs which vest upon the following time-based vesting schedule: 25% of the PSUs shall vest on January 11, 2026 and the remaining PSUs shall vest ratably on a quarterly basis over three years thereafter. Of those PSUs, a total of 21,791 have vested as of the date of this Form 4.
5. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.
6. 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, January 11, 2024 and January 11, 2025.
7. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on November 7, 2025.
/s/ Scott Moomaw 04/14/2026
** 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.

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