<SEC-DOCUMENT>0001093557-19-000147-index.html : 20190604
<SEC-HEADER>0001093557-19-000147.hdr.sgml : 20190604
<ACCEPTANCE-DATETIME>20190604195359
ACCESSION NUMBER:		0001093557-19-000147
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190531
FILED AS OF DATE:		20190604
DATE AS OF CHANGE:		20190604

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALTMAN STEVEN R
		CENTRAL INDEX KEY:			0001191307

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51222
		FILM NUMBER:		19878272

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>wf-form4_155969242489886.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_155969242489886.html

Document 1 - RAW XML: wf-form4_155969242489886.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex-24.htm
<DESCRIPTION>POA-ALTMAN
<TEXT>
Document 2 - file: ex-24.htm

</DOCUMENT>
</SEC-DOCUMENT>