DEXCOM INC — Director's Dealing 2020

Aug 27, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2020-08-24

Reporting Person: Abbey Donald (EVP Quality and Regulatory Aff)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-08-24	Common Stock	S	1826	$421.4605	Disposed	67881	Direct
2020-08-24	Common Stock	S	2493	$423.1794	Disposed	65388	Direct
2020-08-24	Common Stock	S	1500	$423.688	Disposed	63888	Direct
2020-08-24	Common Stock	S	400	$425.1525	Disposed	63488	Direct
2020-08-24	Common Stock	S	1000	$426.6618	Disposed	62488	Direct
2020-08-24	Common Stock	S	1227	$427.6105	Disposed	61261	Direct
2020-08-24	Common Stock	S	1320	$428.5765	Disposed	59941	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2019, and amended effective May 11, 2020. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Abbey.

F2: This transaction was executed in multiple trades at prices ranging from $421.119 to $421.95. 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 31,636 restricted stock units, 8,811 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 9,991 of which were granted on March 8, 2019 and shall vest through March 8, 2022, and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021.

F4: This transaction was executed in multiple trades at prices ranging from $422.409 to $423.39. 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 $423.49 to $424.21. 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.

F6: This transaction was executed in multiple trades at prices ranging from $424.74 to $425.565. 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.

F7: This transaction was executed in multiple trades at prices ranging from $426.254 to $426.99. 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.

F8: This transaction was executed in multiple trades at prices ranging from $427.41 to $428.19. 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.

F9: This transaction was executed in multiple trades at prices ranging from $428.52 to $428.88. 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.