DEXCOM INC — Director's Dealing 2016

Mar 14, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2016-03-10

Reporting Person: VALDES JORGE A (CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-11	Common Stock	J	11937.0	$65.15	Disposed	91667	Direct
2016-03-10	Common Stock	D	4725.0	$63.18	Disposed	22129	Indirect
2016-03-10	Common Stock	D	8133.0	$63.18	Disposed	13996	Indirect
2016-03-11	Common Stock	J	11937.0	$65.15	Acquired	25933	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 91,667 unvested restricted stock units, 38,000 of which were granted on March 8, 2016 and shall vest on March 8, 2019, 30,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018 and 23,667 of which were granted on March 8, 2014 and shall vest through March 8, 2017.

F3: 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.

F4: 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.