DEXCOM INC — Director's Dealing 2018

Aug 9, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2018-08-06

Reporting Person: AUGUSTINOS NICHOLAS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-06	Common Stock	S	6100	$120.9129	Disposed	10772	Direct
2018-08-06	Common Stock	S	2970	$121.721	Disposed	7802	Direct
2018-08-06	Common Stock	S	3230	$121.765	Disposed	14362	Indirect

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $120.37 to $121.32. 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.

F2: Included in this number are 3,449 restricted stock units which were granted on June 1, 2018 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting.

F3: This transaction was executed in multiple trades at prices ranging from $121.39 to $122.21. 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.

F4: Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee.