<SEC-DOCUMENT>0001193125-19-112345-index.html : 20190419
<SEC-HEADER>0001193125-19-112345.hdr.sgml : 20190419
<ACCEPTANCE-DATETIME>20190419152703
ACCESSION NUMBER:		0001193125-19-112345
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20190419
DATE AS OF CHANGE:		20190419
EFFECTIVENESS DATE:		20190419

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:		19757782

	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>
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<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d696120ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d696120ddefa14a.htm

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<FILENAME>g6961202.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g6961202.jpg

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<SEQUENCE>3
<FILENAME>g6961203.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g6961203.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g6961204.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g6961204.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g6961205.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g6961205.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g6961206.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g6961206.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g6961207.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g6961207.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g696120dsp1_dex.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g696120dsp1_dex.jpg

</DOCUMENT>
</SEC-DOCUMENT>