DEXCOM INC — Director's Dealing 2016

May 26, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2016-05-25

Reporting Person: FOLETTA MARK G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-25	Common Stock	A	5450.0	$0.0010	Acquired	17443	Direct

Footnotes

F1: Share units are restricted and subject to vesting in one annual installment from the date of grant. Share units represent a contingent right to receive one share of DexCom, Inc. common stock.

F2: Included in this number are 14,698 unvested restricted stock units, 5,450 of which were granted on May 25, 2016 and shall vest on May 25, 2017, 4,671 of which were granted on June 3, 2015 and shall vest on June 3, 2016 and 4,577 unvested restricted stock units granted on November 17, 2014 and shall vest through November 17, 2017.