Quentin S. Blackford - May 28, 2021 Form 4 Insider Report for DEXCOM INC (DXCM)

Role: Chief Operating Officer
Signature: By: Jereme Sylvain For: Quentin S. Blackford
Stock symbol: DXCM
Transactions as of: May 28, 2021
Transactions value $: -$2,708,625
Form type: 4
Date filed: 6/1/2021, 09:14 PM
Next filing: Jun 3, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DXCM	Common Stock	Sale	-$2.71M	-7.22K	-15.99%	$375.00	37.9K	May 28, 2021	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On February 17, 2021 Mr. Blackford adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Blackford. The shares set forth above were sold pursuant to the 10b5-1 Plan.
F2	Included in this number are 37,709 unvested restricted stock units, 7,491 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 8,484 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 6,144 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 15,590 of which were granted on September 7, 2017 and shall vest through September 7, 2021.

Content

On February 17, 2021 Mr. Blackford adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Blackford. The shares set forth above were sold pursuant to the 10b5-1 Plan.

Included in this number are 37,709 unvested restricted stock units, 7,491 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 8,484 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 6,144 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 15,590 of which were granted on September 7, 2017 and shall vest through September 7, 2021.