UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

MACOM Technology Solutions Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-35451
(State or other jurisdiction of incorporation)	(Commission file number)
100 Chelmsford Street Lowell, Massachusetts	01851
(Address of principal executive offices)	(Zip code)
Stephen G. Daly (President and Chief Executive Officer)	(978) 656-2500
(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:

☒	Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2023.
	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

This Form SD is filed by MACOM Technology Solutions Holdings, Inc. (the “Company”) pursuant to Rule 13p-1 promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2023 to December 31, 2023.

A copy of the Company’s Conflict Minerals Report is provided as Exhibit 1.01 to this Form SD, and is publicly available at https://www.macom.com/quality-reliability.

Item 1.02 Exhibit

The Conflict Minerals Report described in 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 Exhibit

Exhibit 1.01 - Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

EXHIBIT INDEX

Exhibit	Description
1.01	Conflict Minerals Report for the calendar year ended December 31, 2023.

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.

MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.

/s/ Stephen G. Daly	Date: May 31, 2024
By: Stephen G. Daly
Title: President and Chief Executive Officer