SEC Form 4 · accession 0001093557-15-000254

DEXCOM INC · DXCM

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

Reporting owner

Officer — Executive Chairman · Director

Period of report

Aug 17, 2015

Accepted (ET)

Aug 19, 2015 · 9:37 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^F1	Aug 18, 2015	M	28,392	$6.85	A	459,018	D
Common Stock^F2,F3,F4	Aug 17, 2015	S	15,000	$96.7146	D	366,389	I	by Trust
Common Stock	holding	—	—		—	11,461	I	by IRA

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Incentive Stock Option (right to buy)	$6.85	Aug 18, 2015	M	28,392	D	Jun 19, 2008	Jun 19, 2017	Common Stock	28,392	30,000	D

F1Included in this number are 167,032 unvested restricted stock units, 35,000 of which were granted on March 8, 2015 and will vest on March 8, 2016, 96,485 unvested restricted stock units granted on March 8, 2014, 5,078 of which shall vest each month through March 8, 2017, and 35,547 unvested restricted stock units granted on March 11, 2013, 5,078 of which shall vest each month through March 11, 2016.
F2On December 12, 2014, Mr. Gregg adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Gregg. The shares set forth above were sold pursuant to the 10b5-1 Plan.
F3This transaction was executed in multiple trades at prices ranging from $95.27 to $98.32. 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.
F4Shares are held by the Gregg Family Trust U/A/D 12/23/1998, with respect to which the reporting person is a trustee.