DEXCOM INC — Director's Dealing 2014

Aug 28, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2014-08-26

Reporting Person: GREGG TERRANCE H (Director, CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-26	Common Stock	S	5000.0	$46.0533	Disposed	640389	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	395626	Direct
Common Stock	11461	Indirect

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $46.03 to $46.10. 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.

F2: Included in this number are 35,547 unvested restricted stock units granted on March 8, 2012, 5,078 of which shall vest each month through March 8, 2015.

F3: Shares are held by the Gregg Family Trust U/A/D 12/23/1998, with respect to which the reporting person is a trustee.