DEXCOM INC — Director's Dealing 2018

Mar 12, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2018-03-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-08	Common Stock	A	30093	$0.001	Acquired	106331	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12000	Indirect
Common Stock	50100	Indirect

Footnotes

F1: Represents a grant of restricted stock units that are exempt from Section 16 b-3 and are subject to vesting over a 36 month period from the date of grant as follows: 1/3 shall vest 12 months from the Grant Date, and the remaining balance shall vest in four equal installments over the following 24 months. Share units represent a contingent right to receive one share of DexCom, Inc. common stock.

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.