COGENT COMMUNICATIONS HOLDINGS, INC. — Director's Dealing 2011

Jan 7, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COGENT COMMUNICATIONS GROUP INC (CCOI)
CIK: 0001158324
Period of Report: 2011-01-06

Reporting Person: Montagner Marc (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-06	common stock	P	5500	$13.98	Acquired	13000	Direct

Footnotes

F1: The shares of common stock reported were acquired by Mr. Montagner in an open market purchase on January 6, 2011. All shares are owned directly by Mr. Montagner, a director of Cogent Communications Group, Inc.