<SEC-DOCUMENT>0001104659-26-022900.txt : 20260303
<SEC-HEADER>0001104659-26-022900.hdr.sgml : 20260303
<ACCEPTANCE-DATETIME>20260303163048
ACCESSION NUMBER:		0001104659-26-022900
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260302
FILED AS OF DATE:		20260303
DATE AS OF CHANGE:		20260303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Boyle Dana
		CENTRAL INDEX KEY:			0002074453
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39724
		FILM NUMBER:		26714968

	MAIL ADDRESS:	
		STREET 1:		C/O LIQUIDIA CORP
		STREET 2:		419 DAVIS DRIVE, SUITE 100
		CITY:			MORRISVILLE
		STATE:			NC
		ZIP:			27560

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Liquidia Corp
		CENTRAL INDEX KEY:			0001819576
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				851710962
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		419 DAVIS DRIVE, SUITE 100
		CITY:			MORRISVILLE
		STATE:			NC
		ZIP:			27560
		BUSINESS PHONE:		919.328.4400

	MAIL ADDRESS:	
		STREET 1:		419 DAVIS DRIVE, SUITE 100
		CITY:			MORRISVILLE
		STATE:			NC
		ZIP:			27560
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm267863-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-03-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001819576</issuerCik>
        <issuerName>Liquidia Corp</issuerName>
        <issuerTradingSymbol>LQDA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002074453</rptOwnerCik>
            <rptOwnerName>Boyle Dana</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>419 DAVIS DRIVE, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MORRISVILLE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27560</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Accounting Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-03-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>445</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.58</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>178840</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Transaction effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 3, 2022.</footnote>
        <footnote id="F2">These shares of common stock were sold to cover taxes associated with the settlement of restricted stock units (&quot;RSUs&quot;) that were initially granted to the Reporting Person on January 16, 2022.</footnote>
        <footnote id="F3">Includes (i) 12,500 unvested RSUs of the 50,000 RSUs granted to the Reporting Person on January 25, 2023, (ii) 28,542 unvested RSUs of the 57,085 RSUs granted to the Reporting Person on January 11, 2024, (iii) 38,145 unvested RSUs of the 50,861 RSUs granted to the Reporting Person on January 11, 2025, (iv) 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, (v) 23,728 RSUs granted to the Reporting Person on January 16, 2026, none of which have vested as of the date of this Form 4 and (vi) 3,964 shares acquired under the Liquidia Corporation 2020 Employee Stock Purchase Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Dana Boyle</signatureName>
        <signatureDate>2026-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
