    <SEC-DOCUMENT>0001093557-21-000112-index.html : 20210409
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    <ACCEPTANCE-DATETIME>20210409163210
    ACCESSION NUMBER:		0001093557-21-000112
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		45
    CONFORMED PERIOD OF REPORT:	20210520
    FILED AS OF DATE:		20210409
    DATE AS OF CHANGE:		20210409

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DEXCOM INC
    		CENTRAL INDEX KEY:			0001093557
    		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
    		IRS NUMBER:				330857544
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51222
    		FILM NUMBER:		21818197

    	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
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    Document 4 - file: bedependable1.jpg

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    Document 22 - file: increasenewusers1.jpg

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    Document 24 - file: industry1.jpg

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    Document 25 - file: integrity1.jpg

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    Document 28 - file: managementsrole1.jpg

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    Document 30 - file: marketcapitalization1.jpg

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    Document 31 - file: meeting1.jpg

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    Document 32 - file: ml1.jpg

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    Document 33 - file: nominatingandgovernancecoma.jpg

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    Document 35 - file: report1.jpg

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    Document 36 - file: responsibility1.jpg

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    Document 37 - file: responsibility21.jpg

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    Document 38 - file: responsibility31.jpg

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    Document 39 - file: responsibility41.jpg

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    Document 40 - file: revenue1.jpg

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    <FILENAME>stockprice2.jpg
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    Document 41 - file: stockprice2.jpg

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    Document 42 - file: technologycommittee3.jpg

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    Document 43 - file: telephone1.jpg

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    Document 44 - file: thinkbig1.jpg

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    Document 45 - file: trgt1.jpg

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