<SEC-DOCUMENT>0001964306-25-000174.txt : 20250401
<SEC-HEADER>0001964306-25-000174.hdr.sgml : 20250401
<ACCEPTANCE-DATETIME>20250401164220
ACCESSION NUMBER:		0001964306-25-000174
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250401
DATE AS OF CHANGE:		20250401

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AdvanSix Inc.
		CENTRAL INDEX KEY:			0001673985
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				812525089
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-37774
		FILM NUMBER:		25800403

	BUSINESS ADDRESS:	
		STREET 1:		300 KIMBALL DRIVE
		STREET 2:		SUITE 101
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054
		BUSINESS PHONE:		(973) 526-1800

	MAIL ADDRESS:	
		STREET 1:		300 KIMBALL DRIVE
		STREET 2:		SUITE 101
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Kintiroglou Achilles B.
		CENTRAL INDEX KEY:			0001806189
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		300 KIMBALL DRIVE
		STREET 2:		SUITE 101
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054
</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:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001806189</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001673985</issuerCik>
      <issuerName>AdvanSix Inc.</issuerName>
      <secFileNumber>001-37774</secFileNumber>
      <issuerAddress>
        <com:street1>300 KIMBALL DRIVE</com:street1>
        <com:street2>SUITE 101</com:street2>
        <com:city>PARSIPPANY</com:city>
        <com:stateOrCountry>NJ</com:stateOrCountry>
        <com:zipCode>07054</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(973) 526-1800</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kintiroglou Achilles B.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch</name>
        <address>
          <com:street1>225 Liberty St</com:street1>
          <com:street2>Floor 37</com:street2>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10281</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>4000</noOfUnitsSold>
      <aggregateMarketValue>88960.00</aggregateMarketValue>
      <noOfUnitsOutstanding>26744101</noOfUnitsOutstanding>
      <approxSaleDate>04/01/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/28/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>AdvanSix Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2368</amountOfSecuritiesAcquired>
      <paymentDate>02/28/2025</paymentDate>
      <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/28/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Vesting of performance share unit award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>AdvanSix Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1632</amountOfSecuritiesAcquired>
      <paymentDate>02/28/2024</paymentDate>
      <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Achilleus Kintiroglou</name>
        <address>
          <com:street1>300 KIMBALL DRIVE</com:street1>
          <com:city>PARSIPPANY</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>07054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>03/03/2025</saleDate>
      <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
      <grossProceeds>111000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/01/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/12/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Achilleus Kintiroglou</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
