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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1093557	Dexcom Inc	DXCM	Surgical & Medical Instruments & Apparatus (3841)	330857544

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1520386	Martin Doordan	6340 Sequence Drive San Diego CA 92121		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-09-15	2,000	$12.35	23,641	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct

Footnotes

The number of securities beneficially owned by Mr. Doordan include 1,967 restricted share units and 19,674 restricted share units. Additional information on the restricted share units is provided below.On May 26, 2011, the Date of Grant, Mr. Doordan received 1,967 restricted share units- RSUs. The RSUs are restricted and will vest in full on the one year anniversary of the Date of Grant, or May 26, 2012. The RSUs represent a contingent right to receive one share of DexCom, Inc. common stock. As of the date of this filing, no RSUs have vested.On May 26, 2011, the Date of Grant, Mr. Doordan received 19,674 restricted share units-RSUs. The RSUs are restricted and subject to vesting in three equal annual installments from the Date of Grant. Share units represent a contingent right to receive one share of DexCom, Inc. common stock. As of the date of this filing, no RSUs have vested.