DEXCOM INC — Director's Dealing 2019

Mar 14, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-03-12

Reporting Person: DOUBLEDAY RICHARD (EVP Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-12	Common Stock	S	2221	$142.7922	Disposed	81160	Direct
2019-03-12	Common Stock	S	6399	$142.7922	Disposed	74761	Direct
2019-03-12	Common Stock	S	2191	$142.7922	Disposed	72570	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	14112	Indirect

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 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020.

F3: Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee.