<SEC-DOCUMENT>0001950047-25-005468.txt : 20250805
<SEC-HEADER>0001950047-25-005468.hdr.sgml : 20250805
<ACCEPTANCE-DATETIME>20250805172317
ACCESSION NUMBER:		0001950047-25-005468
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250805
DATE AS OF CHANGE:		20250805

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alphatec Holdings, Inc.
		CENTRAL INDEX KEY:			0001350653
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				202463898
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-52024
		FILM NUMBER:		251186246

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Marshall Tyson Eliot
		CENTRAL INDEX KEY:			0001666669
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		10680 TREENA STREET, SUITE 500
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001666669</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001350653</issuerCik>
            <issuerName>ALPHATEC HOLDINGS, INC.</issuerName>
            <secFileNumber>000-52024</secFileNumber>
            <issuerAddress>
                <ns2:street1>1950 Camino Vida Roble</ns2:street1>
                <ns2:city>CARLSBAD</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>92008</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>760-431-9286</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>TYSON MARSHALL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>18092</noOfUnitsSold>
            <aggregateMarketValue>269688.68</aggregateMarketValue>
            <noOfUnitsOutstanding>147983775</noOfUnitsOutstanding>
            <approxSaleDate>08/05/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>08/05/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>18092</amountOfSecuritiesAcquired>
            <paymentDate>08/05/2025</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Tyson Marshall</name>
                <address>
                    <ns2:street1>1950 Camino Vida Roble</ns2:street1>
                    <ns2:city>CARLSBAD</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92008</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/01/2025</saleDate>
            <amountOfSecuritiesSold>12878</amountOfSecuritiesSold>
            <grossProceeds>154016.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Tyson Marshall</name>
                <address>
                    <ns2:street1>1950 Camino Vida Roble</ns2:street1>
                    <ns2:city>CARLSBAD</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92008</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>07/10/2025</saleDate>
            <amountOfSecuritiesSold>1500</amountOfSecuritiesSold>
            <grossProceeds>17936.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The 8,168 Restricted Stock Units acquired on 8/5/2025 were sold pursuant to a 10b5-1 Plan Dated 03/14/2025.</remarks>
        <noticeSignature>
            <noticeDate>08/05/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Tyson Eliot Marshall</signature>
        </noticeSignature>
    </formData>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
