DEXCOM INC — Director's Dealing 2023

Mar 14, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2023-03-10

Reporting Person: Flynn Paul R (EVP Global Revenue)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-10	Common Stock	D	5478	$111.399	Disposed	69042	Direct
2023-03-10	Common Stock	D	5724	$111.399	Disposed	63318	Direct
2023-03-10	Common Stock	D	5643	$111.399	Disposed	57675	Direct
2023-03-13	Common Stock	S	2782	$106.27	Disposed	54893	Direct

Footnotes

F1: Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

F2: Included in this number are 52,112 unvested restricted stock units, 18,776 of which were granted on March 8, 2023 and shall vest through March 8, 2026, 14,124 of which were granted on March 8, 2022 and shall vest through March 8, 2025, 11,700 of which were granted on December 15, 2021 and shall vest through December 15, 2024, 7,512 of which were granted on March 8, 2021 and shall vest through March 8, 2024.

F3: On September 9, 2022, Mr. Flynn adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Flynn. The shares set forth above were sold pursuant to the 10b5-1 Plan.