<SEC-DOCUMENT>0001000275-25-000087.txt : 20250605
<SEC-HEADER>0001000275-25-000087.hdr.sgml : 20250605
<ACCEPTANCE-DATETIME>20250605162936
ACCESSION NUMBER:		0001000275-25-000087
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250605
DATE AS OF CHANGE:		20250605

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
		EIN:				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:		251027518

	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:			SCHAEFFER DAVE
		CENTRAL INDEX KEY:			0001166976
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O COGENT COMMUNICATIONS HOLDINGS, INC.
		STREET 2:		2450 N ST NW, 4TH FLOOR
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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        <com:city>WASHINGTON</com:city>
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        <com:zipCode>20037</com:zipCode>
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      <issuerContactPhone>2022954200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SCHAEFFER DAVE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>FOUNDER &amp; CEO</relationshipToIssuer>
      </relationshipsToIssuer>
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      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>RBC CAPITAL MARKETS LLC</name>
        <address>
          <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
          <com:city>MINNEAPOLIS</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55401</com:zipCode>
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      <noOfUnitsOutstanding>49337310</noOfUnitsOutstanding>
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      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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      <natureOfAcquisitionTransaction>RSU VEST</natureOfAcquisitionTransaction>
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      <signature>POA / JEFFREY EISCHENS</signature>
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