SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------- FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 -------------------- COGENT COMMUNICATIONS GROUP, INC. (Exact name of Registrant as specified in its charter) DELAWARE 52-2337274 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 1015 31st Street NW 20007 Washington, DC 20007 (Zip Code) (Address of Principal Executive Offices) If this form relates to the If this form relates to the registration of a class of securities registration of a class of securities pursuant to Section 12(b) of the pursuant to section 12(g) of the Exchange Act and is effective Exchange Act and is effective pursuant to General Instruction pursuant to General Instruction A.(c), please check the following A.(d), please check the following box. |X| box. |_| Securities Act registration statement file number to which this form relates: 333-71684 ----------------- (If applicable) Securities to be registered pursuant to Section 12(b) of the Act: Title of Each Class Name of Each Exchange on Which To be so Registered Each Class is to be Registered ------------------- ------------------------------ Common Stock, par value $0.001 American Stock Exchange Securities to be registered pursuant to Section 12(g) of the Act: None ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED. A complete description of the Common Stock, par value $0.001 per share, of Cogent Communications Group, Inc. (the "Registrant"), which is to be registered hereunder is contained under the caption "Description of Capital Stock" in the Prospectus which constitutes part of the Registrant's Registration Statement on Form S-4 (Registration No. 333-71684) relating to the offering of shares of Common Stock of the Registrant filed by the Registrant with the Securities and Exchange Commission on January 8, 2002, as amended from time to time. Such description is hereby incorporated by reference. ITEM 2. EXHIBITS Not Applicable. SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. COGENT COMMUNICATIONS GROUP, INC. Date: January 29, 2002 By: /s/ DAVID SCHAEFFER ------------------------------ Name: David Schaeffer Title: Chief Executive Officer