<SEC-DOCUMENT>0001966249-23-000019.txt : 20231226
<SEC-HEADER>0001966249-23-000019.hdr.sgml : 20231226
<ACCEPTANCE-DATETIME>20231226174709
ACCESSION NUMBER:		0001966249-23-000019
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20231226
DATE AS OF CHANGE:		20231226

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COGENT COMMUNICATIONS HOLDINGS, INC.
		CENTRAL INDEX KEY:			0001158324
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				522337274
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-51829
		FILM NUMBER:		231514261

	BUSINESS ADDRESS:	
		STREET 1:		2450 N STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037
		BUSINESS PHONE:		2022954200

	MAIL ADDRESS:	
		STREET 1:		2450 N STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COGENT COMMUNICATIONS GROUP INC
		DATE OF NAME CHANGE:	20010828

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Chang John B.
		CENTRAL INDEX KEY:			0001775672
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		2450 N ST NW
		STREET 2:		4TH FLOOR
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001775672</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
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  <formData>
    <issuerInfo>
      <issuerCik>0001158324</issuerCik>
      <issuerName>COGENT COMMUNICATIONS HOLDINGS, INC.</issuerName>
      <secFileNumber>000-51829</secFileNumber>
      <issuerAddress>
        <com:street1>2450 N STREET, NW</com:street1>
        <com:city>WASHINGTON</com:city>
        <com:stateOrCountry>DC</com:stateOrCountry>
        <com:zipCode>20037</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>2022954200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Chang John B.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Citi Global Markets Inc.</name>
        <address>
          <com:street1>388 Greenwich Street</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10013</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3550</noOfUnitsSold>
      <aggregateMarketValue>269800.00</aggregateMarketValue>
      <noOfUnitsOutstanding>48623846</noOfUnitsOutstanding>
      <approxSaleDate>12/26/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/31/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3550</amountOfSecuritiesAcquired>
      <paymentDate>12/31/2022</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Chang</name>
        <address>
          <com:street1>2450 N.Street, NW</com:street1>
          <com:city>Washington</com:city>
          <com:stateOrCountry>DC</com:stateOrCountry>
          <com:zipCode>20037</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>12/11/2023</saleDate>
      <amountOfSecuritiesSold>3000</amountOfSecuritiesSold>
      <grossProceeds>207000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Chang</name>
        <address>
          <com:street1>2450 N. Street, NW</com:street1>
          <com:city>Washington</com:city>
          <com:stateOrCountry>DC</com:stateOrCountry>
          <com:zipCode>20037</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>12/14/2023</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>36000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Chang</name>
        <address>
          <com:street1>2450 N. Street, NW</com:street1>
          <com:city>Washington</com:city>
          <com:stateOrCountry>DC</com:stateOrCountry>
          <com:zipCode>20037</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>12/21/2023</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>74000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/26/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/04/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ John Chang</signature>
    </noticeSignature>
  </formData>
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</DOCUMENT>
</SEC-DOCUMENT>
