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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1093557	Dexcom Inc	DXCM	Surgical & Medical Instruments & Apparatus (3841)	330857544

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1700255	Steven Jacob Leach	6340 Sequence Drive San Diego CA 92121	Evp, Chief Operating Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-01-28	7,107	$0.00	271,278	No	4	A	Direct
Common Stock	Disposition	2025-01-29	2,634	$86.91	268,644	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	A	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	47,296	Indirect	Family Holdings

Footnotes

Represents performance stock units ("PSUs") granted to the reporting person on March 8, 2022 that vested on January 28, 2025.
Included in this number are 51,972 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, and 8,988 of which were granted on March 8, 2022 and shall vest through March 8, 2025.
Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of PSUs. This sale is mandated by the Issuer's electionunder 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.
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.