DEXCOM INC — Director's Dealing 2015

Nov 12, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2015-11-09

Reporting Person: DOUBLEDAY RICHARD (EVP, Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-11-09	Common Stock	M	988.0	$9.8	Acquired	101471	Direct
2015-11-09	Common Stock	S	988.0	$83.6768	Disposed	100483	Direct
2015-11-09	Common Stock	M	12.0	$9.8	Acquired	100495	Direct
2015-11-09	Common Stock	S	12.0	$83.6768	Disposed	100483	Direct
2015-11-09	Common Stock	M	2000.0	$6.03	Acquired	102483	Direct
2015-11-09	Common Stock	S	2000.0	$83.6768	Disposed	100483	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-11-09	Incentive Stock Option (right to buy)	$9.8	M	12.0	Disposed	2020-03-12	Common Stock (12)	Direct
2015-11-09	Non-Qualified Stock Option (right to buy)	$6.03	M	2000.0	Disposed	2019-06-22	Common Stock (2000)	Direct
2015-11-09	Non-Qualified Stock Option (right to buy)	$9.8	M	988.0	Disposed	2020-03-12	Common Stock (988)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	21737	Indirect

Footnotes

F1: Included in this number are 85,834 unvested restricted stock units, 47,500 of which were granted on March 8, 2015 and shall vest through March 8, 2018, 25,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017, 5,000 of which were granted on May 31, 2013 and shall vest through May 31, 2016, and 8,334 of which were granted on March 11, 2013 and shall vest through March 11, 2016.

F2: Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee.