DEXCOM INC — Director's Dealing 2021

Mar 25, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2021-03-23

Reporting Person: Pacelli Steven Robert (Managing Dir., Dexcom Ventures)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-23	Common Stock	S	18	$352.88	Disposed	55540	Direct
2021-03-23	Common Stock	S	77	$358.13	Disposed	55463	Direct
2021-03-23	Common Stock	S	589	$360.3608	Disposed	54874	Direct
2021-03-23	Common Stock	S	229	$360.8981	Disposed	54645	Direct
2021-03-23	Common Stock	S	166	$362.2977	Disposed	54479	Direct

Footnotes

F1: On June 15, 2020, Mr. Pacelli adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Pacelli. The shares set forth above were sold pursuant to the 10b5-1 Plan.

F2: Included in this number are 16,171 unvested restricted stock units, 5,301 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 5,874 of which were granted on March 8, 2020 and shall vest through March 8, 2023, and 4,996 of which were granted on March 8, 2019 and shall vest through March 8, 2022.

F3: This transaction was executed in multiple trades at prices ranging from $359.69 to $360.67. 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 $360.805 to $361.590. 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 $362.13 to $362.45. 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 issurer full information regarding the number of shares and prices at which the transactions were effected.