DEXCOM INC — Director's Dealing 2021

Sep 14, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2021-09-09

Reporting Person: Leach Jacob Steven (EVP Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-09	Common Stock	S	1248	$541.36	Disposed	69337	Direct
2021-09-09	Common Stock	S	15	$542.028	Disposed	69322	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11824	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 17,501 unvested restricted stock units, 7,171 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 7,832 of which were granted on March 8, 2020 and shall vest through March 8, 2023, and 2,498 of which were granted on March 8, 2019 and shall vest through March 8, 2022.

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.