DEXCOM INC — Director's Dealing 2019

Feb 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-02-15

Reporting Person: FOLETTA MARK G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-15	Common Stock	S	800	$148.5238	Disposed	16295	Indirect
2019-02-15	Common Stock	S	200	$149.52	Disposed	16095	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4052	Direct

Footnotes

F1: On December 13, 2018, Mr. Foletta adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Foletta. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F2: This transaction was executed in multiple trades at prices ranging from $147.94 to $148.83. 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.

F3: Shares are held by the Mark G. and Mary E. Foletta, TTEE's for the Foletta Family Trust DTD 1/30/15, with respect to which the reporting person is a trustee.

F4: This transaction was executed in multiple trades at prices ranging from $149.41 to $149.63. 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.