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: Leach Jacob Steven (EVP Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-10	Common Stock	D	3540	$111.399	Disposed	302946	Direct
2023-03-10	Common Stock	D	7986	$111.399	Disposed	294960	Direct
2023-03-10	Common Stock	D	4583	$111.399	Disposed	290377	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	47296	Indirect

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 64,633 unvested restricted stock units, 25,397 of which were granted on March 8, 2023 and shall vest through March 8, 2026, 17,976 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, 9,560 of which were granted on March 8, 2021 and shall vest through March 8, 2024.

F3: Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010, with respect to which the reporting person's spouse is a trustee.