DEXCOM INC — Director's Dealing 2017

Sep 13, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2017-09-11

Reporting Person: MOY JEFFREY (SVP, Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-09-11	Common Stock	J	5500	$71.26	Disposed	52076	Direct
2017-09-11	Common Stock	J	6666	$71.26	Disposed	45410	Direct
2017-09-11	Common Stock	J	5500	$71.26	Acquired	70164	Indirect
2017-09-11	Common Stock	J	6666	$71.26	Acquired	76830	Indirect
2017-09-11	Common Stock	D	2907	$71.8134	Disposed	73923	Indirect
2017-09-11	Common Stock	D	3523	$71.8134	Disposed	70400	Indirect

Footnotes

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

F2: Included in this number are 45,050 unvested restricted stock units, 21,883 of which were granted on March 8, 2017 and shall vest through March 8, 2020, 16,500 of which were granted on March 8, 2016 and shall vest through March 8, 2019 and 6,667 of which were granted on March 8, 2015 and shall vest through March 08, 2018.

F3: Shares are held by the Moy Family Trust U/A/D 12/09/2013, 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.