– Boyle Dana (CIK 0002074453)

Liquidia (LQDA) reported an insider transaction by its Chief Accounting Officer.

Rhea-AI Filing Summary

Liquidia (LQDA) reported an insider transaction by its Chief Accounting Officer. On 10/13/2025, the officer sold 1,238 shares of common stock at $23.41 per share, coded “S,” pursuant to a Rule 10b5-1 plan adopted on December 15, 2023. The filing states the sale was to cover taxes tied to the settlement of restricted stock units granted on January 11, 2024.

After the transaction, the officer beneficially owned 185,411 shares, held directly. Holdings include unvested RSUs from prior grants and 11,869 shares acquired under the company’s 2020 Employee Stock Purchase Plan.

Insider Trade Summary

Net Seller: 1,238 shares

Net Sell 1 txn

Insider Boyle Dana

Role Chief Accounting Officer

Sold 1,238 shs ($29K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,238	$23.41	$29K

Holdings After Transaction: Common Stock — 185,411 shares (Direct)

Footnotes (3)

1. F1. Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 15, 2023.
2. F2. These shares were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2024.
3. F3. Includes (i) 1,884 unvested RSUs of the 15,075 RSUs granted to the Reporting Person on January 16, 2022, (ii) 18,750 unvested RSUs of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (iii) 32,110 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iv) 50,861 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 (v) 25,000 RSUs granted to the Reporting Person on July 1, 2025, none of which have vested as of the date of this Form 4 and (vi) 11,869 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

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Accepted by SEC EDGAR 10/15/2025 - 12:00 AM EDT 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^*

Boyle Dana

(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 Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/13/2025

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	10/13/2025		S(1)		1,238(2)	D	$23.41	185,411(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

Explanation of Responses:

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

2. These shares were sold to cover taxes associated with the settlement of restricted stock units ("RSUs") that were initially granted to the Reporting Person on January 11, 2024.

3. Includes (i) 1,884 unvested RSUs of the 15,075 RSUs granted to the Reporting Person on January 16, 2022, (ii) 18,750 unvested RSUs of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (iii) 32,110 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iv) 50,861 RSUs granted to the Reporting Person on January 11, 2025, none of which have vested as of the date of this Form 4 (v) 25,000 RSUs granted to the Reporting Person on July 1, 2025, none of which have vested as of the date of this Form 4 and (vi) 11,869 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.

	/s/ Dana Boyle	10/15/2025
	** 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.