MACOM Technology Solutions Holdings, Inc. — Director's Dealing 2015

Jan 22, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: M/A-COM Technology Solutions Holdings, Inc. (MTSI)
CIK: 0001493594
Period of Report: 2015-01-21

Reporting Person: CHUNG PETER Y (Director, Indirect GP of 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-01-21	Common Stock	A	1562	—	Acquired	8483926	Indirect

Footnotes

F1: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will settle on February 15, 2016 solely by delivery of an equal number of shares of Common Stock. Mr. Chung holds any restricted stock units for the benefit of Summit Partners, L.P. which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales.

F2: The Common Stock is held as follows: 5,283,026 shares in the name of Summit Partners Private Equity Fund VII-A, L.P.; 3,173,070 shares in the name of Summit Partners Private Equity Fund VII-B, L.P.; 14,108 shares in the name of Summit Investors I, LLC; 996 shares in the name of Summit Investors I (UK), L.P.; 12,726 shares in the name of Peter Y. Chung (including the restricted stock units reported herein), which are held for the benefit of Summit Partners, L.P.

F3: Summit Partners, L.P. is the managing member of Summit Partners PE VII, LLC, which is the general partner of Summit Partners PE VII, L.P., which is the general partner of each of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC, and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC and the general partner of Summit Investors I (UK), L.P., has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee.

F4: Summit Partners, L.P., through a two-person Investment Committee currently composed of Martin Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities mentioned herein, Summit Partners, L.P., Summit Master Company, LLC, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their pecuniary interest therein.