<SEC-DOCUMENT>0001193125-18-331406-index.html : 20181120
<SEC-HEADER>0001193125-18-331406.hdr.sgml : 20181120
<ACCEPTANCE-DATETIME>20181120170111
ACCESSION NUMBER:		0001193125-18-331406
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20181120
DATE AS OF CHANGE:		20181120
EFFECTIVENESS DATE:		20181120

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228495
		FILM NUMBER:		181196110

	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>S-3ASR
<SEQUENCE>1
<FILENAME>d655295ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d655295ds3asr.htm

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<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>2
<FILENAME>d655295dex44.htm
<DESCRIPTION>EX-4.4
<TEXT>
Document 2 - file: d655295dex44.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>3
<FILENAME>d655295dex45.htm
<DESCRIPTION>EX-4.5
<TEXT>
Document 3 - file: d655295dex45.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>d655295dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 4 - file: d655295dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>d655295dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 5 - file: d655295dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g655295g1119043145958.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g655295g1119043145958.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g655295g79z31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g655295g79z31.jpg

</DOCUMENT>
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