MACOM Technology Solutions Holdings, Inc. — Director's Dealing 2025

Oct 31, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MACOM Technology Solutions Holdings, Inc. (MTSI)
CIK: 0001493594
Period of Report: 2025-10-28

Reporting Person: Hwang Donghyun Thomas (SVP, Global Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-28	Common Stock	A	2332	—	Acquired	32453	Direct

Footnotes

F1: Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2021 Omnibus Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 777 shares on 10/28/2026, 777 shares on 10/28/2027 and 778 shares on 10/28/2028, provided that the Reporting Person remains in continuous service with the Issuer through each such vesting date.