SD

NETSCOUT SYSTEMS, INC.

(Registrant)

/s/ Joseph Wilson

June 1, 2026

By: Joseph Wilson, Vice President – Manufacturing

SD 1 d77608dsd.htm SD SD

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

NETSCOUT SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Delaware

000-26251

04-2837575

(State or other jurisdiction

of incorporation or organization)

(Commission

File Number)

(IRS Employer

Identification No.)

310 Littleton Road, Westford, MA 01886

(Address of principal executive offices) (Zip Code)

Joseph Wilson, Vice President Manufacturing, (978) 614-4254

(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 filed, 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

This Form SD of NetScout Systems, Inc. (the “Company”) is filed pursuant to Rule 13p-1 promulgated under the Securities Exchange Act of 1934 for the reporting period January 1, 2025 to December 31, 2025.

A copy of the Company’s Conflict Minerals Report is provided as Exhibit 1.01 to this Form SD and is publicly available at http://www.netscout.com/company/about-netscout/corporate-responsibility/conflict-minerals/.

Item 1.02 Exhibit

As specified in Section 3, Item 3.01 of this Form SD, the Company is hereby filing its Conflict Minerals Report as Exhibit 1.01 to this report.

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 of NetScout Systems, Inc. as required by Items 1.01 and 1.02 of this Form.

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.

SEC Form SD filed by NetScout Systems Inc.