DEXCOM INC — Director's Dealing 2012

Jun 6, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2012-06-04

Reporting Person: SAYER KEVIN R (Director, President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-06-04	Common Stock	S	12077	$10.6761	Disposed	230383	Direct

Footnotes

F1: These shares were sold to cover the Company's tax withholding obligation that accrued in connection with the vesting of restricted stock units previously granted.

F2: Included in this number are 191,253 unvested restricted stock units, 125,000 of which were granted on March 8, 2012 and shall vest through March 8, 2015, and 66,253 of which were granted on June 1, 2011 and shall vest through June 1, 2014.