DEXCOM INC — Director's Dealing 2020

Jul 27, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2020-07-23

Reporting Person: DOUBLEDAY RICHARD (EVP Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-23	Common Stock	S	200	$421.615	Disposed	4391	Indirect
2020-07-23	Common Stock	S	83	$424.63	Disposed	4308	Indirect
2020-07-23	Common Stock	S	94	$425.99	Disposed	4214	Indirect
2020-07-23	Common Stock	S	476	$427.36	Disposed	3738	Indirect
2020-07-23	Common Stock	S	107	$428.5164	Disposed	3631	Indirect
2020-07-23	Common Stock	S	571	$429.6019	Disposed	3060	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	51482	Direct

Footnotes

F1: 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.

F2: Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee.

F3: This transaction was executed in multiple trades at prices ranging from $427.20 to $428.13. 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: This transaction was executed in multiple trades at prices ranging from $428.24 to $428.82. 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 $429.38 to $429.82. 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.