DEXCOM INC — Director's Dealing 2018

Mar 14, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2018-03-12

Reporting Person: Leach Jacob Steven (SVP, Research & Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-12	Common Stock	D	3176	$60.7306	Disposed	103155	Direct
2018-03-12	Common Stock	D	1871	$60.7306	Disposed	101284	Direct
2018-03-12	Common Stock	D	2406	$60.7306	Disposed	98878	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12000	Indirect
Common Stock	50100	Indirect

Footnotes

F1: 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.

F2: Included in this number are 56,182 unvested restricted stock units, 30,093 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 15,422 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 10,667 of which were granted on March 8, 2016 shall vest through March 8, 2019.

F3: Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010, with respect to which the reporting person's spouse is a trustee.

F4: Shares are held by the Kyndra S. Leach Trust UAD 12/12/2012, with respect to which the reporting person's spouse is a trustee.