    <SEC-DOCUMENT>0001093557-25-000101-index.html : 20250327
    <SEC-HEADER>0001093557-25-000101.hdr.sgml : 20250327
    <ACCEPTANCE-DATETIME>20250327090254
    ACCESSION NUMBER:		0001093557-25-000101
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20250327
    DATE AS OF CHANGE:		20250327

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DEXCOM INC
    		CENTRAL INDEX KEY:			0001093557
    		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
    		ORGANIZATION NAME:           	08 Industrial Applications and Services
    		EIN:				330857544
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51222
    		FILM NUMBER:		25775581

    	BUSINESS ADDRESS:
    		STREET 1:		6340 SEQUENCE DRIVE
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92121
    		BUSINESS PHONE:		8582000200

    	MAIL ADDRESS:
    		STREET 1:		6340 SEQUENCE DRIVE
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92121
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>dxcm-defa14a2025.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: dxcm-defa14a2025.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>dxcm-naa_page1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: dxcm-naa_page1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>dxcm-naa_page2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: dxcm-naa_page2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>dexcom-logoxgreenxrgb.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: dexcom-logoxgreenxrgb.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>