DEXCOM INC — Director's Dealing 2014

Mar 20, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2014-03-18

Reporting Person: ROPER JESS (VP, CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-03-18	Common Stock	M	8000.0	$3.19	Acquired	95786	Direct
2014-03-18	Common Stock	S	8000.0	$46.0	Disposed	87786	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-03-18	Non-Qualified Stock Option (right to buy)	$3.19	M	8000.0	Disposed	2018-12-11	Common Stock (8000)	Direct

Footnotes

F1: On November 12, 2013, Mr. Roper adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F2: Included in this number are 58,542 unvested restricted stock units, 30,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017, 20,000 of which were granted on March 11, 2013 and shall vest through March 11, 2016, and 8,542 of which were granted on March 8, 2012 and shall vest through March 8, 2015.