<SEC-DOCUMENT>0001871002-25-000002.txt : 20250218
<SEC-HEADER>0001871002-25-000002.hdr.sgml : 20250218
<ACCEPTANCE-DATETIME>20250218201405
ACCESSION NUMBER:		0001871002-25-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250212
FILED AS OF DATE:		20250218
DATE AS OF CHANGE:		20250218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gassert Chad
		CENTRAL INDEX KEY:			0001871002
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31812
		FILM NUMBER:		25636872

	MAIL ADDRESS:	
		STREET 1:		C/O ANI PHARMACEUTICALS, INC.
		STREET 2:		210 MAIN STREET WEST
		CITY:			BAUDETTE
		STATE:			MN
		ZIP:			56623

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANI PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001023024
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				582301143
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		210 MAIN STREET WEST
		CITY:			BAUDETTE
		STATE:			MN
		ZIP:			56623
		BUSINESS PHONE:		2186343500

	MAIL ADDRESS:	
		STREET 1:		210 MAIN STREET WEST
		CITY:			BAUDETTE
		STATE:			MN
		ZIP:			56623

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIOSANTE PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19991228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BEN ABRAHAM TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19991027
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1739927639.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-02-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001023024</issuerCik>
        <issuerName>ANI PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>ANIP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001871002</rptOwnerCik>
            <rptOwnerName>Gassert Chad</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ANI PHARMACEUTICALS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>210 MAIN STREET WEST</rptOwnerStreet2>
            <rptOwnerCity>BAUDETTE</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>56623</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP - CORP. DEV. &amp; STRATEGY</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-02-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>14362</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64041</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-02-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9574</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>73615</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>193226</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Chali Properties LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents a restricted stock award that will vest in four equal annual installments on the first, second, third and fourth anniversaries of February 12, 2025.</footnote>
        <footnote id="F2">These shares represent performance stock units, which will vest over the applicable performance period based on the achievement of the provided performance targets, as set forth in the governing award agreement, subject to the reporting person's continued service as of the applicable vesting date and that will be settled into common stock upon vesting.</footnote>
        <footnote id="F3">The reporting person holds voting and dispositive power over the shares held by Chali Properties LLC.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Chad Gassert, by attorney-in-fact Meredith W. Cook</signatureName>
        <signatureDate>2025-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
