SEC Form 4 · accession 0001093557-15-000157

DEXCOM INC · DXCM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Executive Chairman · Director

Period of report

May 19, 2015

Accepted (ET)

May 21, 2015 · 7:57 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001093557

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	May 19, 2015	M	17,500	$3.19	A	448,126	D
Common Stock^F1,F2	May 19, 2015	S	17,500	$69.5751	D	430,626	D
Common Stock	holding	—	—		—	11,461	I	by IRA
Common Stock^F3	holding	—	—		—	507,139	I	by Trust

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Non-Qualified Stock Option (right to buy)	$3.19	May 19, 2015	M	17,500	D	Dec 11, 2009	Dec 11, 2018	Common Stock	17,500	20,000	D

F1This transaction was executed in multiple trades at prices ranging from $69.50 to $69.67. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
F2Included in this number are 197,502 unvested restricted stock units, 35,000 of which were granted on March 8, 2015 and will vest on March 8, 2016, 111,720 unvested restricted stock units granted on March 8, 2014, 5,078 of which shall vest each month through March 8, 2017, and 50,782 unvested restricted stock units granted on March 11, 2013, 5,078 of which shall vest each month through March 11, 2016.
F3Shares are held by the Gregg Family Trust U/A/D 12/23/1998, with respect to which the reporting person is a trustee.