Sec Form 4 Filing - Saggar Rajeev @ Liquidia Corp - 2023-12-15

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Saggar Rajeev 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 Medical Officer (Last) (First) (Middle) 419 DAVIS DRIVE, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 12/15/2023 (Street) MORRISVILLE, NC27560 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 12/18/2023 S 14,887 ( 1 ) A $ 7.42 164,099 ( 2 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Saggar Rajeev 419 DAVIS DRIVE, SUITE 100 MORRISVILLE, NC27560 Chief Medical Officer Signatures /s/ Dr. Rajeev Saggar 12/19/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On July 18, 2022, the Reporting Person was awarded an aggregate of 93,834 restricted stock units ("RSUs"), all of which, including the unvested portion, were reported on a Form 4 filed on July 20, 2022. The vesting of 52,782 of those previously reported RSUs was deferred until December 14, 2023. As reported on this Form 4, only the requisite amount of shares were sold to cover the required taxes in connection with the vesting and settlement of the 52,782 previously reported RSUs. ( 2 )Includes (i) 93,384 RSUs granted to the Reporting Person on July 18, 2022, of which 52,782 have vested as of the date of this Form 4, (ii) 83,333 RSUs granted to the Reporting Person on January 11, 2023, none of which have vested as of the date of this Form 4 and (iii) 1,819 shares of common stock acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan on August 31, 2023.

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).

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