DEXCOM INC — Director's Dealing 2013

Nov 13, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2013-11-11

Reporting Person: Balo Andrew K (SVP, Regulatory and Clinical)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-11	Common Stock	M	15438.0	$2.4	Acquired	154003	Direct
2013-11-11	Common Stock	S	15438.0	$33.1671	Disposed	138565	Direct
2013-11-12	Common Stock	M	26784.0	$2.4	Acquired	165349	Direct
2013-11-12	Common Stock	S	26784.0	$33.15	Disposed	138565	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-11	Incentive Stock Option (right to buy)	$2.4	M	15438.0	Disposed	2014-12-24	Common Stock (15438)	Direct
2013-11-12	Incentive Stock Option (right to buy)	$2.4	M	26784.0	Disposed	2014-12-24	Common Stock (26784)	Direct

Footnotes

F1: Included in this number are 84,203 unvested restricted stock units, 50,000 of which were granted on March 11, 2013 and shall vest through March 11, 2016, 26,875 of which were granted on March 8, 2012 and shall vest through March 8, 2015, and 7,328 of which were granted on March 8, 2011 and shall vest through March 8, 2014.