DEXCOM INC — Director's Dealing 2019

Oct 25, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2019-10-23

Reporting Person: DOUBLEDAY RICHARD (EVP Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-07	Common Stock	J	18377	$0.0	Disposed	48444	Direct
2019-10-07	Common Stock	J	18377	$0.0	Acquired	18377	Indirect
2019-10-23	Common Stock	S	633	$151.7038	Disposed	17744	Indirect
2019-10-23	Common Stock	S	800	$152.7098	Disposed	16944	Indirect
2019-10-23	Common Stock	S	100	$153.34	Disposed	16844	Indirect

Footnotes

F1: Shares were transferred from direct ownership to ownership under the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee.

F2: Included in this number are 40,201 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 19,251 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 4,585 of which were granted on March 8, 2017 and shall vest through March 8, 2020.

F3: Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee.

F4: On June 3, 2019, Mr. Doubleday adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F5: This transaction was executed in multiple trades at prices ranging from $151.18 to $152.16. 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: This transaction was executed in multiple trades at prices ranging from $152.31 to $153.14. 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.