<SEC-DOCUMENT>0001093557-21-000113-index.html : 20210409
<SEC-HEADER>0001093557-21-000113.hdr.sgml : 20210409
<ACCEPTANCE-DATETIME>20210409163704
ACCESSION NUMBER:		0001093557-21-000113
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51222
		FILM NUMBER:		21818252

	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>defa14adxcm2021proxynotice.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14adxcm2021proxynotice.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>dexcom-greenxcategory_jpg1.jpg
<TEXT>
Document 2 - file: dexcom-greenxcategory_jpg1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>dexcomgreenstandalonea031.jpg
<TEXT>
Document 3 - file: dexcomgreenstandalonea031.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>eml1.jpg
<TEXT>
Document 4 - file: eml1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>internet1.jpg
<TEXT>
Document 5 - file: internet1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>telephone1.jpg
<TEXT>
Document 6 - file: telephone1.jpg

</DOCUMENT>
</SEC-DOCUMENT>