<SEC-DOCUMENT>0001415889-25-014843-index.html : 20250529
<SEC-HEADER>0001415889-25-014843.hdr.sgml : 20250529
<ACCEPTANCE-DATETIME>20250529160423
ACCESSION NUMBER:		0001415889-25-014843
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250528
FILED AS OF DATE:		20250529
DATE AS OF CHANGE:		20250529

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FERGUSON Lewis H
		CENTRAL INDEX KEY:			0001395643
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51829
		FILM NUMBER:		251003222

	MAIL ADDRESS:	
		STREET 1:		8717 BURDETTE ROAD
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817

ISSUER:		

	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

	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
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>form4-05292025_080519.xml
<TEXT>
Document 1 - file: form4-05292025_080519.html

Document 1 - RAW XML: form4-05292025_080519.xml

</DOCUMENT>
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