DEXCOM INC — Director's Dealing 2024

Mar 14, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DEXCOM INC (DXCM)
CIK: 0001093557
Period of Report: 2024-03-12

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-12	Common Stock	S	14639	$134.4107	Disposed	273913	Direct
2024-03-12	Common Stock	G	7736	$0.0	Disposed	266177	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 56,356 unvested restricted stock units, 26,053 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 16,931 of which were granted on March 8, 2023 and shall vest through March 8, 2026, 8,988 of which were granted on March 8, 2022 and shall vest through March 8, 2025, 4,384 of which were granted on December 15, 2021 and shall vest through December 15, 2024.

F3: The transaction represents a gift by the Reporting Person of 7,736 shares to a charitable donor advised fund.

F4: 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.