DEXCOM INC — Director's Dealing 2019

Aug 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-08-15

Reporting Person: SAYER KEVIN R (Director, President, CEO and Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-08-15	Common Stock	S	1000	$154.5265	Disposed	287100	Direct
2019-08-15	Common Stock	S	3271	$155.7353	Disposed	283829	Direct
2019-08-15	Common Stock	S	5729	$156.6121	Disposed	278100	Direct
2019-08-16	Common Stock	G	20841	$0.0	Disposed	257259	Direct

Footnotes

F1: On May 15, 2019, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. 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 $154.09 to $155.00. 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: Included in this number are 116,618 unvested restricted stock units, 35,829 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 53,696 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 27,093 of which were granted on March 8, 2017 and shall vest through March 8, 2020.

F4: This transaction was executed in multiple trades at prices ranging from $155.15 to $156.06. 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.

F5: This transaction was executed in multiple trades at prices ranging from $156.26 to $156.73. 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.

F6: The transaction represents a gift by the Reporting Person of 20,841 shares to a charitable donor advised fund.