SEC 1746 POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF (11-02) INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER. OMB Number: 3235-0287 Expires: January 31, 2008 Estimated average burden hours per response. . . 11 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 6)* COGENT COMMUNICATIONS GROUP INC. ------------------------------------------------------ (Name of Issuer) COMMON STOCK, $0.001 PAR VALUE PER SHARE ------------------------------------------------------ (Title of Class of Securities) 19239V104 ------------------------------------------------------ (CUSIP Number) JASON KALOGEROPOULOS BNP EUROPE TELECOM & MEDIA FUND II, L.P. C/O CIBC FINANCIAL CENTER, THIRD FLOOR, 11, DR. ROY'S DRIVE, P.O. BOX 694 GT GRAND CAYMAN, CAYMAN ISLANDS, BRITISH WEST INDIES ------------------------------------------------------ (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) MARCH 23, 2007 ------------------------------------------------------ (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss.ss.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. [ ] NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See ss.240.13d-7 for other parties to whom copies are to be sent. * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). 2 CUSIP No. 19239V104 -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). BNP EUROPE TELECOM & MEDIA FUND II, L.P. NOT APPLICABLE -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) [_] (b) [X] -------------------------------------------------------------------------------- 3. SEC Use Only -------------------------------------------------------------------------------- 4. Source of Funds WC -------------------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) NOT APPLICABLE -------------------------------------------------------------------------------- 6. Citizenship or Place of Organization CAYMAN ISLANDS, BRITISH WEST INDIES -------------------------------------------------------------------------------- 7. Sole Voting Power 0(1) Number of ---------------------------------------------------------------- Shares 8. Shared Voting Power Beneficially Owned by 0 Each ---------------------------------------------------------------- Reporting 9. Sole Dispositive Power Person With 0(1) ---------------------------------------------------------------- 10. Shared Dispositive Power 0 -------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 0 -------------------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [_] -------------------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 0% -------------------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN -------------------------------------------------------------------------------- ------------------------ (1) BNP Europe Telecom & Media Fund II, L.P. ("BNP ETMF") sold all of its shares of common stock, par value $0.001 per share (the "Common Stock") in Cogent Communications Group, Inc. (the "Company") pursuant to an underwriting agreement by and among BNP ETMF, the Company, Cogent Communications, Inc., the Underwriter and the other selling stockholders named therein, dated March 19, 2007. 3 CUSIP No. 19239V104 -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). GENERAL BUSINESS FINANCE AND INVESTMENTS, LTD. NOT APPLICABLE -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) [_] (b) [X] -------------------------------------------------------------------------------- 3. SEC Use Only -------------------------------------------------------------------------------- 4. Source of Funds WC -------------------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) NOT APPLICABLE -------------------------------------------------------------------------------- 6. Citizenship or Place of Organization CAYMAN ISLANDS, BRITISH WEST INDIES -------------------------------------------------------------------------------- 7. Sole Voting Power 0(2) Number of ---------------------------------------------------------------- Shares 8. Shared Voting Power Beneficially Owned by 0 Each ---------------------------------------------------------------- Reporting 9. Sole Dispositive Power Person With 0(2) ---------------------------------------------------------------- 10. Shared Dispositive Power 0 -------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 0 -------------------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [_] -------------------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 0% -------------------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN -------------------------------------------------------------------------------- ------------------------ (2) General Business Finance and Investments, Ltd is the general partner of BNP ETMF. 4 STATEMENT ON SCHEDULE 13D This Amendment No. 6 to the Statement on Schedule 13D supplements and amends Amendment No. 5 to the Statement on Schedule 13D filed by BNP Europe Telecom & Media Fund II, L.P., a limited partnership formed under the laws of the Cayman Islands, British West Indies ("BNP ETMF"), General Business Finance and Investments, Ltd., a company formed under the laws of the Cayman Islands, British West Indies ("GBFI"), Natio Vie Developpement 3, Fonds Commun de Placement a Risque, a limited partnership formed under the laws of France and BNP Paribas Private Equity SAS, a societe anonyme formed under the laws of France with the Securities and Exchange Commission on November 29, 2006 (the "Previous Filing"). This Amendment No. 6 is being filed to report the sale by BNP ETMF of 2,850,860 shares of common stock, par value $0.001 per share (the "Common Stock") in Cogent Communications Group, Inc. (the "Company"). Only those items that are hereby reported are amended; all other items remain unchanged. All capitalized terms shall have the meanings assigned to them in the Previous Filing, unless otherwise indicated herein. ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION Item 3 is hereby amended and supplemented by the addition of the following paragraphs: On March 19, 2007, the Company entered into an underwriting agreement (the "Underwriting Agreement") with BNP ETMF, Cogent Communications, Inc., the other selling stockholders named therein and Deutsche Bank Securities Inc. (the "Underwriter"), pursuant to which the various selling stockholders agreed to sell 7,683,888 shares of Common Stock to the Underwriter at $23.41 per share. The offering closed on March 23, 2007. BNP ETMF sold 2,850,860 shares of Common Stock at a price of $23.41 per share pursuant to the Underwriting Agreement. This Item 3 does not provide a complete description of the Underwriting Agreement and such description is qualified in its entirety by reference to the Underwriting Agreement filed as Exhibit 1.1 to the Company's current report on Form 8-K, filed with the Securities and Exchange Commission on March 23, 2007. 5 ITEM 4. PURPOSE OF TRANSACTION Item 4 of the Previous Filing is hereby deleted and replaced in its entirety with the following: Neither BNP ETMF nor GBFI has any present plans or proposals that relate to or would result in: (i) the acquisition by any person of securities of the Company, or the disposition of securities of the Company; (ii) an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Company or any of its subsidiaries; (iii) a sale or transfer of a material amount of assets of the Company or any of its subsidiaries; (iv) any change in the present Board of Directors or management of the Company, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board; (v) any material change in the present capitalization or dividend policy of the Company; (vi) any other material change in the Company's business or corporate structure; (vii) changes in the Company's charter, by-laws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Company by any person; (viii) a class of securities of the Company to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (ix) a class of equity securities of the Company becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Exchange Act; or (x) any action similar to any of those enumerated above. 6 ITEM 5. INTEREST IN SECURITIES OF THE ISSUER Item 5 is hereby amended as follows: (c) Except as set forth in Items 3 and 4 above, neither BNP ETMF nor GBFI has effected any transaction in the Common Stock during the past 60 days. (e) BNP ETMF ceased to be the beneficial owner of any shares of the Company's Common Stock on March 23, 2007. 7 ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER Item 6 is hereby amended as follows: In connection with the sale of Common Stock, the Company entered into the Underwriting Agreement, which is attached as exhibit 1.1 to the Company's Form 8-K filed with the Securities and Exchange Commission on March 23, 2007 and incorporated herein by reference. 8 ITEM 7. MATERIAL TO BE FILED AS EXHIBITS. None 9 Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: June 19, 2007 /s/ Martin Laidlaw ----------------------------------- Name: Martin Laidlaw Title: Authorized Signatory /s/ Avery Lewis ----------------------------------- Name: Avery Lewis Title: Authorized Signatory GENERAL BUSINESS FINANCE AND INVESTMENTS LTD. and BNP EUROPE TELECOM & MEDIA FUND II, LP, by General Business Finance and Investments Ltd., its General Partner by Commerce Advisory Limited, its Partnership Secretary The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative (other than an executive officer or general partner of the filing person), evidence of the representative's authority to sign on behalf of such person shall be filed with the statement: provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001) 10