<SEC-DOCUMENT>0001140361-18-024930.txt : 20180521
<SEC-HEADER>0001140361-18-024930.hdr.sgml : 20180521
<ACCEPTANCE-DATETIME>20180521163242
ACCESSION NUMBER:		0001140361-18-024930
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180517
FILED AS OF DATE:		20180521
DATE AS OF CHANGE:		20180521

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Segal Paul
		CENTRAL INDEX KEY:			0001427470

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52024
		FILM NUMBER:		18850043

	MAIL ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			L-5 Healthcare Partners, LLC
		CENTRAL INDEX KEY:			0001733085
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52024
		FILM NUMBER:		18850044

	BUSINESS ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-547-2914

	MAIL ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alphatec Holdings, Inc.
		CENTRAL INDEX KEY:			0001350653
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				202463898
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5818 EL CAMINO REAL
		CITY:			CARLSBAD
		STATE:			CA
		ZIP:			92008
		BUSINESS PHONE:		760-431-9286

	MAIL ADDRESS:	
		STREET 1:		5818 EL CAMINO REAL
		CITY:			CARLSBAD
		STATE:			CA
		ZIP:			92008
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001350653</issuerCik>
        <issuerName>Alphatec Holdings, Inc.</issuerName>
        <issuerTradingSymbol>ATEC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001733085</rptOwnerCik>
            <rptOwnerName>L-5 Healthcare Partners, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LS POWER DEVELOPMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>1700 BROADWAY, 35TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Director by deputization</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001427470</rptOwnerCik>
            <rptOwnerName>Segal Paul</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LS POWER DEVELOPMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>1700 BROADWAY, 35TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Director by deputization</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7936508</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7936508</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-05-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7936508</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Series B Convertible Preferred Stock automatically converted into 7,936,508 shares of Common Stock upon approval by the issuer's stockholders on May 17, 2018.</footnote>
        <footnote id="F2">Each of Jason Hochberg and Evan Bakst serve on the board of directors of the issuer as a representative of the reporting persons. As a result, each reporting person herein may be deemed a director by deputization for the purposes of Section 16 of the Exchange Act.</footnote>
        <footnote id="F3">Paul Segal directly (through his position as manager of L-5 Healthcare Partners, LLC (&quot;L-5&quot;)) may be deemed to control L-5 and to have shared voting and investment power with respect to the shares beneficially owned by L-5. As such, Mr. Segal may be deemed to have shared beneficial ownership of the shares beneficially owned by L-5. Mr. Segal, however, disclaims beneficial ownership of such shares, except to the extent of his indirect pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>L-5 Healthcare Partners, LLC, /s/ Paul Segal, Manager</signatureName>
        <signatureDate>2018-05-21</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Paul Segal</signatureName>
        <signatureDate>2018-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
