Jacob Steven Leach - 08 Mar 2022 Form 4 Insider Report for DEXCOM INC (DXCM)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DXCM	Common Stock	Award	$6.74	+6,741	+9.3%	$0.001000^*	79,019	08 Mar 2022	Direct	F1, F2
transaction	DXCM	Common Stock	Disposed to Issuer	$534,777	-1,317	-1.7%	$406.06	77,702	09 Mar 2022	Direct	F2, F3
transaction	DXCM	Common Stock	Disposed to Issuer	$838,507	-2,065	-2.7%	$406.06	75,637	09 Mar 2022	Direct	F2, F3
transaction	DXCM	Common Stock	Disposed to Issuer	$361,797	-891	-1.2%	$406.06	74,746	09 Mar 2022	Direct	F2, F3
holding	DXCM	Common Stock						11,824	08 Mar 2022	Family Holdings	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Represents a grant of restricted stock units that are exempt from Section 16 b-3 and are subject to vesting in three equal annual installments from the date of grant. Share units represent a contingent right to receive one share of DexCom, Inc. Common Stock.
F2	Included in this number are 18,362 unvested restricted stock units, 6,741 of which were granted on March 8, 2022 and shall vest through March 8, 2025, 2,925 of which were granted on December 15, 2021 and shall vest through December 15, 2024, 4,780 of which were granted on March 8, 2021 and shall vest through March 8, 2024, 3,916 of which were granted on March 8, 2020 and shall vest through March 8, 2023.
F3	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.
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.