MACOM SVP buys 83 MTSI shares at $104.94 under ESPP

MACOM Technology Solutions Holdings, Inc. (MTSI) senior vice president of global sales reported a small open-market style purchase of company stock.

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. (MTSI) senior vice president of global sales reported a small open-market style purchase of company stock. On 11/14/2025, the insider acquired 83 shares of common stock at a price of $104.94 per share. The filing notes that these shares were purchased under the issuer's Employee Stock Purchase Plan, which allows employees to buy company stock, typically through payroll deductions. Following this transaction, the reporting person beneficially owns 53,539 shares of MACOM common stock in direct ownership.

Insider Trade Summary

Grant/Award: 83 shares

Grant/Award 1 txn

Insider Hwang Donghyun Thomas

Role SVP, Global Sales

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	83	$104.94	$9K

Holdings After Transaction: Common Stock — 53,539 shares (Direct)

Footnotes (1)

1. F1. The shares were purchased under the Issuer's Employee Stock Purchase Plan.

FAQ

What insider transaction in MACOM Technology Solutions (MTSI) is disclosed here?

The filing reports that a senior vice president of MACOM Technology Solutions Holdings, Inc. (MTSI) acquired additional shares of the company’s common stock.

How many MTSI shares did the insider buy and at what price?

The reporting person purchased 83 shares of MACOM common stock at a price of $104.94 per share on 11/14/2025.

Under what plan were the MTSI shares acquired?

The 83 shares were purchased under MACOM’s Employee Stock Purchase Plan, as stated in the explanation of responses.

What is the insider’s total beneficial ownership of MTSI after this transaction?

After the reported purchase, the reporting person beneficially owns 53,539 shares of MACOM common stock in direct ownership.

What is the reporting person’s role at MACOM Technology Solutions (MTSI)?

The reporting person is identified as an officer of MACOM, serving as SVP, Global Sales.

Is this Form 4 filed by one or multiple reporting persons for MTSI?

The document indicates that the Form 4 is filed by one reporting person, not a group.

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Accepted by SEC EDGAR 11/18/2025 - 04:55 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hwang Donghyun Thomas

(Last) (First) (Middle)

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)
11/14/2025

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	11/14/2025		A(1)	V	83	A	$104.94	53,539	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

Explanation of Responses:

1. The shares were purchased under the Issuer's Employee Stock Purchase Plan.

	/s/ Ambra R. Roth, Attorney-in-Fact	11/18/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.