<SEC-DOCUMENT>0001193125-21-336929-index.html : 20211122
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<ACCEPTANCE-DATETIME>20211122170008
ACCESSION NUMBER:		0001193125-21-336929
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20211122
DATE AS OF CHANGE:		20211122

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:	333-261265
		FILM NUMBER:		211433301

	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: d254917d424b5.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g254917g14j60.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g254917g14j60.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g260805g04d55.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g260805g04d55.jpg

</DOCUMENT>
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