Hwang Donghyun Thomas Form 4 MACOM Technology Solutions / Donghyun Thomas Hwang ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Hwang Donghyun Thomas

(Last) (First) (Middle)

C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS

100 CHELMSFORD STREET

(Street)

LOWELL MA 01851

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MACOM Technology Solutions Holdings, Inc. [ MTSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
SVP, Global Sales

3. Date of Earliest Transaction (Month/Day/Year)
11/09/2017

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/09/2017		A		3,646(1)	A	$0	15,824	D
Common Stock	11/09/2017		A		6,518(2)	A	$0	22,342	D
Common Stock	11/09/2017		A		6,410(3)	A	$0	28,752	D
Common Stock	11/09/2017		A		3,915(4)	A	$0	32,667	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$36.56	11/09/2017		A		15,000		(5)	11/08/2024	Common Stock	15,000	$0	15,000	D

Explanation of Responses:

1. Represents restricted stock units granted to the Reporting Person under the Issuer's 2012 Omnibus Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock. The restricted stock units vest in four equal annual installments on May 15, 2019, May 15, 2020, May 15, 2021 and May 15, 2022, provided that the Reporting Person remains in continuous service with the Issuer through each vesting date.

2. Represents performance-based restricted stock units ("PRSUs") granted on April 22, 2015 to the Reporting Person under the Issuer's 2012 Omnibus Incentive Plan which vested on November 9, 2017. These PRSUs will settle in shares of Common Stock on May 15, 2018, provided that the Reporting Person remains in continuous service with the Issuer through the settlement date.

3. Represents PRSUs granted on November 13, 2015 to the Reporting Person under the Issuer's 2012 Omnibus Incentive Plan which vested on November 9, 2017. These PRSUs will settle in shares of Common Stock on May 15, 2018, provided that the Reporting Person remains in continuous service with the Issuer through the settlement date.

4. Represents PRSUs granted on November 9, 2016 to the Reporting Person under the Issuer's 2012 Omnibus Incentive Plan which vested on November 9, 2017. These PRSUs will settle in shares of Common Stock on May 15, 2018, provided that the Reporting Person remains in continuous service with the Issuer through the settlement date.

5. The stock option vests in full upon achievement of a 30-day trailing average stock price based performance metric during the term of the stock option.

Remarks:

	/s/ Clay Simpson, Attorney-in-Fact	11/14/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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