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F5, INC. Regulatory Filings 2026

Jun 1, 2026

30317_rns_2026-06-01_44917341-416e-4629-be50-90ac61280505.zip

Regulatory Filings

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SD 1 ffivsd12-31x2025.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

F5, Inc.

(Exact name of registrant as specified in its charter)

Washington 000-26041 91-1714307
(State or other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)
801 5th Avenue
Seattle, WA 98104
(Address of principal executive offices) (Zip Code)
Tom Fountain
Executive Vice President and Chief Operating Officer
(206) 272-5555
(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:

þ 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 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the fiscal year ended .

Section 1 - Conflict Minerals Disclosure

Item 1.01 Conflict Minerals Disclosure and Report

A copy of the F5, Inc. Conflict Minerals Report is filed as Exhibit 1.01 hereto and is publicly available at https://investors.f5.com/ESG.

Item 1.02 Exhibit

The Conflict Minerals Report required by Item 1.01 is filed as Exhibit 1.01 to this Form SD.

Section 2 - Resource Extraction Issuer Disclosure

Item 2.01 Resource Extraction Issuer Disclosure and Report

Not applicable.

Section 3 - Exhibits

Item 3.01 Exhibits

The following exhibit is filed as part of this report:

Exhibit 1.01 Conflict Minerals Report for the reporting period January 1 to December 31, 2025

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/ Tom Fountain
Tom Fountain
Executive Vice President and Chief Operating Officer