DEXCOM INC — Director's Dealing 2015

Sep 11, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2015-09-09

Reporting Person: VALDES JORGE A (CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-09-09	Common Stock	J	11833.0	$91.05	Disposed	104374	Direct
2015-09-09	Common Stock	J	11833.0	$91.05	Acquired	18413	Indirect
2015-09-09	Common Stock	D	6253.0	$90.8985	Disposed	12160	Indirect

Footnotes

F1: Shares were transferred from direct ownership to ownership under the Valdes-Lopez-Calleja Family Trust upon vesting of previously awarded restricted stock units.

F2: Included in this number are 92,437 unvested restricted stock units, 45,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018, 35,500 of which were granted on March 8, 2014 and shall vest through March 8, 2017, and 11,937 of which were granted on March 11, 2013 and shall vest through March 11, 2016.

F3: Shares are held by the Valdes-Lopez-Calleja Family Trust U/A/D 05/18/2011, with respect to which the reporting person is a trustee.

F4: 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.