DEXCOM INC — Director's Dealing 2014

Aug 25, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2014-08-21

Reporting Person: VALDES JORGE A (CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-21	Common Stock	S	10671.0	$43.5798	Disposed	64195	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	142621	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $43.56 to $43.60. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.

F2: Shares are held by the Valdes-Lopez-Calleja Family Trust U/A/D 05/18/2011, with respect to which the reporting person is a trustee.