DEXCOM INC — Director's Dealing 2018

Sep 13, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2018-09-10

Reporting Person: Murphy Patrick Michael (VP, Legal Aff & Chf Compl Ofcr)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-10	Common Stock	S	951	$143.7552	Disposed	32729	Direct
2018-09-10	Common Stock	S	1021	$143.7552	Disposed	31708	Direct
2018-09-10	Common Stock	S	400	$143.35	Disposed	31308	Direct

Footnotes

F1: Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

F2: Included in this number are 24,998 unvested restricted stock units, 16,817 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 5,681 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 2,500 of which were granted on March 8, 2016 shall vest through March 8, 2019.

F3: On June 15, 2018, Mr. Murphy adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Murphy. The shares set forth above were sold pursuant to the 10b5-1 Plan.