DEXCOM INC — Regulatory Filings 2026

May 28, 2026

SD 1 dxcm2026formsd.htm SD Document created using Wdesk Copyright 2026 Workiva Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

DEXCOM, INC.

(Exact name of the registrant as specified in its charter)

Delaware	000-51222	33-0857544
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

6340 Sequence Drive, San Diego, CA	92121
(Address of principal executive offices)	(Zip code)

Michael Brown

EVP, Chief Legal & Compliance Officer

(858) 200-0200

(Name and telephone number, including area code, of the person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:

☒ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025.

☐ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended ____.

SECTION 1 - CONFLICT MINERALS DISCLOSURE

ITEM 1.01 CONFLICT MINERALS DISCLOSURE AND REPORT

Conflict Minerals Disclosure

A copy of the Conflict Minerals Report of DexCom, Inc. (“Dexcom”) for the reporting period January 1, 2025 to December 31, 2025 is filed as Exhibit 1.01 hereto and is also publicly available on Dexcom’s website at https://investors.dexcom.com/sec-filings. 1

ITEM 1.02 EXHIBIT

Dexcom has filed, as an exhibit to this Form SD, a Conflict Minerals Report as required by Item 1.01 of this Form SD.

SECTION 3 - EXHIBITS

ITEM 3.01 EXHIBITS

Number	Description
1.01	Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

1 The reference to Dexcom’s website is provided for convenience only, and its contents are not incorporated by reference into this Form SD and the Conflict Minerals Report nor deemed filed with the U.S. Securities and Exchange Commission.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

/s/ Michael Brown
Michael Brown
Executive Vice President, Chief Legal & Compliance Officer