-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MPZhlmVHxQvE2WyYaXHZg7G4pnXaSawjQ/yWm5CQHh4bzpzdwpdN8UyI41bN/bWb
 gjLjzBNfmQkxbRU4gHxuOw==

<SEC-DOCUMENT>0001082504-06-000010.txt : 20060111
<SEC-HEADER>0001082504-06-000010.hdr.sgml : 20060111
<ACCEPTANCE-DATETIME>20060111185418
ACCESSION NUMBER:		0001082504-06-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060109
FILED AS OF DATE:		20060111
DATE AS OF CHANGE:		20060111

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAR PHARMACEUTICAL COMPANIES, INC.
		CENTRAL INDEX KEY:			0000878088
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				223122182
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		300 TICE BOULEVARD
		CITY:			WOODCLIFF LAKE
		STATE:			NJ
		ZIP:			07677
		BUSINESS PHONE:		845-425-7100

	MAIL ADDRESS:	
		STREET 1:		300 TICE BOULEVARD
		CITY:			WOODCLIFF LAKE
		STATE:			NJ
		ZIP:			07677

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHARMACEUTICAL RESOURCES INC
		DATE OF NAME CHANGE:	19940526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AUERBACH MARK
		CENTRAL INDEX KEY:			0001018007

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10827
		FILM NUMBER:		06525776

	BUSINESS ADDRESS:	
		STREET 1:		OAKHURST COMPANY INC
		STREET 2:		1001 SANTERRE DRIVE
		CITY:			GRAND PRAIRIE
		STATE:			TX
		ZIP:			75050
		BUSINESS PHONE:		2146604448

	MAIL ADDRESS:	
		STREET 1:		1001 SANTERRE DRIVE
		CITY:			GRAND PRAIRIE
		STATE:			TX
		ZIP:			75050
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000878088</issuerCik>
        <issuerName>PAR PHARMACEUTICAL COMPANIES, INC.</issuerName>
        <issuerTradingSymbol>PRX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001018007</rptOwnerCik>
            <rptOwnerName>AUERBACH MARK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PAR PHARMACEUTICAL COMPANIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>300 TICE BLVD.</rptOwnerStreet2>
            <rptOwnerCity>WOODCLIFF LAKE</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07677</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13199</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock, Option to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.62</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>59971</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-01-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>59971</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>59971</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% vest on the first anniversary of the date of grant (1/9/07) and an additional 25% vest on each anniversary thereafter until fully vested.</footnote>
    </footnotes>

    <remarks>LIMITED POWER OF ATTORNEY: KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute and appoint MARIAN E. GUSTAFSON with full power to act, as his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, and to do any and all acts and things in his name and on his behalf, to execute any and all documents and instruments, which said attorney-in-fact may deem necessary or advisable to enable him to comply with the reporting requirements pursuant to Section 16 of the Securities Exchange Act of 1934, as amended, including but not limited to Form 4 and Form 5, relating to his ownership in Par Pharmaceutical Companies, Inc. (the &quot;Company&quot;) for the period 10/1/05 through and including 9/30/06; and to file the same, and all other documents in connection therewith, with the Securities and Exchange Commission, The New York Stock Exchange, Inc. and the Company, granting u
nto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that the said attorney-in-fact and agent may lawfully do or cause to be done by virtue thereof. /s/ Mark Auerbach, 9/8/05</remarks>

    <ownerSignature>
        <signatureName>/s/ Marian E. Gustafson for Mark Auerbach</signatureName>
        <signatureDate>2006-01-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----