Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BEURY ROBERT N JR
  2. Issuer Name and Ticker or Trading Symbol
COGENT COMMUNICATIONS GROUP INC [COI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Legal Officer
(Last)
(First)
(Middle)
1015 31ST ST., NW
3. Date of Earliest Transaction (Month/Day/Year)
02/14/2005
(Street)

WASHINGTON, DC 20007
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/15/2005   C   479,230 (1) A $ 0 479,230 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series H Convertible Preferred Stock (1) $ 0 02/15/2005(1)   C(1)     623 (1) 10/10/2003(1)   (1) common stock 479,230 $ 0 0 (1) D  
Options to purchase Series H Convertible Preferred Stock (2) $ 0.01 02/15/2005(2)   C(2)     246 (2) 06/01/2005(2) 09/08/2014 common stock 189,231 $ 0 0 (2) D  
Options to purchase Series H Convertible Preferred Stock (3) $ 0.01 02/15/2005(3)   C(3)     104 (3) 06/01/2005(3) 09/08/2014 common stock 79,999 $ 0 0 (3) I Option owned by Mr. Beury's minor children (3)
Option to purchase common stock (2) $ 0 02/15/2005(2)   C(2)   189,231 (2)   06/01/2005(2)(3) 09/08/2014 common stock 189,231 $ 0 189,231 (2) D  
Option to purchase common stock (3) $ 0 02/15/2005(3)   C(3)   79,999 (3)   06/01/2005(3) 09/08/2014 common stock 79,999 $ 0 79,999 (3) I Option is owned by Mr. Beury's minor children (3)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BEURY ROBERT N JR
1015 31ST ST., NW
WASHINGTON, DC 20007
      Chief Legal Officer  

Signatures

 Robet N. Beury, Jr.   02/15/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On February 15, 2005 Mr. Beury's 623 shares of Series H Convertible Preferred Stock were converted by action of the stockholders into 479,230 shares of common stock at a rate of 769.2307692 shares of common for each share of Series H Preferred Stock. The common stock is subject to the same vesting provisions applicable to the original Series H Preferred Stock.
(2) On February 15, 2005 Mr. Beury's option to acquire 246 shares of Series H Convertible Preferred Stock were converted by action of the stockholders into an option to acquire 189,231 shares of common stock at a rate of 769.2307692 shares of common for each share of Series H Preferred Stock. The common stock is subject to the same vesting provisions applicable to the original option to acquire Series H Preferred Stock; the 246 Series H Preferred Shares are a portion of an original grant of 350 Series H Preferred Shares originally granted on September 8, 2004. Mr. Beury has given the first vested portion of the original grant to his minor children.
(3) On February 15, 2005 an option to acquire 104 shares of Series H Convertible Preferred Stock that was owned by Mr. Beury's children was converted by action of the stockholders into an option to acquire 79,999 shares of common stock at a rate of 769.2307692 shares of common for each share of Series H Preferred Stock. The following are the vesting provisions applicable to the original option to acquire 350 shares of Series H Preferred Stock originally granted to Mr. Beury on September 8, 2004: 25% of the option will vest on June 1, 2005 and monthly thereafter in 1/48th incerements over the following 36 months until fully vested at the end of four years; vesting will accelerate under certain circumstances. The Company will vest these options gifted by Mr. Beury in priority to his remaining portion of the September 8, 2004 original grant.

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