DEXCOM INC — Director's Dealing 2012

Sep 12, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2012-09-10

Reporting Person: Balo Andrew K (SVP, Regulatory and Clinical)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-10	Common Stock	D	2734	$13.6766	Disposed	109733	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7000	Indirect

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 75,734 unvested restricted stock units, 21,984 of which were granted on March 8, 2011 and shall vest through March 8, 2014, and 53,750 of which were granted on March 8, 2012 and shall vest through March 8, 2015.

F3: Shares are held by the Balo Family Trust U/A/D 4/6/2006, with respect to which the reporting person is a trustee.