<SEC-DOCUMENT>0001193125-18-332339-index.html : 20181121
<SEC-HEADER>0001193125-18-332339.hdr.sgml : 20181121
<ACCEPTANCE-DATETIME>20181121160346
ACCESSION NUMBER:		0001193125-18-332339
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20181121
DATE AS OF CHANGE:		20181121

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228495
		FILM NUMBER:		181198220

	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>424B5
<SEQUENCE>1
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<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d649190d424b5.htm

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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g649190g14l76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g649190g14l76.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g655295g79z31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g655295g79z31.jpg

</DOCUMENT>
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