-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, CenO/VBWW6OGb3MbTBvrqCzWE6SXLFO5y23HrZE0vXrWpSSSKlRgN6o8UehVP9Vm AAA5X2RpuQJocsvd9nASzQ== 0000315066-07-002464.txt : 20070312 0000315066-07-002464.hdr.sgml : 20070312 20070312171340 ACCESSION NUMBER: 0000315066-07-002464 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070312 DATE AS OF CHANGE: 20070312 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DEXCOM INC CENTRAL INDEX KEY: 0001093557 STANDARD INDUSTRIAL CLASSIFICATION: SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841] IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-81357 FILM NUMBER: 07688506 BUSINESS ADDRESS: STREET 1: 5555 OBERLIN DRIVE CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 8582000200 MAIL ADDRESS: STREET 1: 5555 OBERLIN DRIVE CITY: SAN DIEGO STATE: CA ZIP: 92121 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FMR CORP CENTRAL INDEX KEY: 0000315066 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 161144965 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 82 DEVONSHIRE ST CITY: BOSTON STATE: MA ZIP: 02109 BUSINESS PHONE: 6175706339 MAIL ADDRESS: STREET 1: 82 DEVONSHIRE STREET CITY: BOSTON STATE: MA ZIP: 02109 SC 13G/A 1 filing.txt DOC ONE SCHEDULE 13G Amendment No. 3 DexCom, Inc. Common Stock Cusip #252131107 Cusip #252131107 Item 1: Reporting Person - FMR Corp. Item 4: Delaware Item 5: 5 Item 6: 0 Item 7: 178,190 Item 8: 0 Item 9: 178,190 Item 11: 0.631% Item 12: HC Cusip #252131107 Item 1: Reporting Person - Edward C. Johnson 3d Item 4: United States of America Item 5: 0 Item 6: 0 Item 7: 178,190 Item 8: 0 Item 9: 178,190 Item 11: 0.631% Item 12: IN SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) Item 1(a). Name of Issuer: DexCom, Inc. Item 1(b). Name of Issuer's Principal Executive Offices: 5555 Oberlin Drive San Diego, CA 92121 Item 2(a). Name of Person Filing: FMR Corp. Item 2(b). Address or Principal Business Office or, if None, Residence: 82 Devonshire Street, Boston, Massachusetts 02109 Item 2(c). Citizenship: Not applicable Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 252131107 Item 3. This statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) and the person filing, FMR Corp., is a parent holding company in accordance with Section 240.13d-1(b)(ii)(G). (Note: See Item 7). Item 4. Ownership (a) Amount Beneficially Owned: 178,190 (b) Percent of Class: 0.631% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 5 (ii) shared power to vote or to direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 178,190 (iv) shared power to dispose or to direct the disposition of: 0 Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof, the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following (X). Item 6. Ownership of More than Five Percent on Behalf of Another Person. Not applicable Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. See attached Exhibit A. Item 8. Identification and Classification of Members of the Group. Not applicable. See attached Exhibit A. Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certification. Inasmuch as the reporting persons are no longer the beneficial owners of more than five percent of the number of shares outstanding, the reporting persons have no further reporting obligation under Section 13(d) of the Securities and Exchange Commission thereunder, and the reporting persons have no obligation to amend this Statement if any material change occurs in the facts set forth herein. 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. March 12, 2007 Date /s/Stuart Fross Signature Stuart Fross Duly authorized under Power of Attorney dated July 30, 2002, by Eric D. Roiter by and on behalf of FMR Corp. and its direct and indirect subsidiaries SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) Pursuant to the instructions in Item 7 of Schedule 13G, Fidelity Management & Research Company ("Fidelity"), 82 Devonshire Street, Boston, Massachusetts 02109, a wholly- owned subsidiary of FMR Corp. and an investment adviser registered under Section 203 of the Investment Advisers Act of 1940, is the beneficial owner of 178,190 shares or 0.631% of the Common Stock outstanding of DexCom, Inc. ("the Company") as a result of acting as investment adviser to various investment companies registered under Section 8 of the Investment Company Act of 1940. Edward C. Johnson 3d and FMR Corp., through its control of Fidelity, and the funds each has sole power to dispose of the 178,190 shares owned by the Funds. Members of the family of Edward C. Johnson 3d, Chairman of FMR Corp., are the predominant owners, directly or through trusts, of Series B shares of common stock of FMR Corp., representing 49% of the voting power of FMR Corp. The Johnson family group and all other Series B shareholders have entered into a shareholders' voting agreement under which all Series B shares will be voted in accordance with the majority vote of Series B shares. Accordingly, through their ownership of voting common stock and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940, to form a controlling group with respect to FMR Corp. Neither FMR Corp. nor Edward C. Johnson 3d, Chairman of FMR Corp., has the sole power to vote or direct the voting of the shares owned directly by the Fidelity Funds, which power resides with the Funds' Boards of Trustees. Fidelity carries out the voting of the shares under written guidelines established by the Funds' Boards of Trustees. SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) RULE 13d-1(f)(1) AGREEMENT The undersigned persons, on March 12, 2007, agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the Common Stock of DexCom, Inc. at February 28, 2007. FMR Corp. By /s/ Stuart Fross Stuart Fross Duly authorized under Power of Attorney dated July 30, 2002, by Eric D. Roiter by and on behalf of FMR Corp. and its direct and indirect subsidiaries Edward C. Johnson 3d By /s/ Stuart Fross Stuart Fross Duly authorized under Power of Attorney dated July 30, 2002, by Eric D. Roiter by and on behalf of Edward C. Johnson 3d Fidelity Management & Research Company By /s/ Stuart Fross Stuart Fross Duly authorized under Power of Attorney dated July 30, 2002, by Eric D. Roiter Senior V.P. and General Counsel -----END PRIVACY-ENHANCED MESSAGE-----