MACOM (MTSI) CFO sells 972 shares at $175.63 in Form 4

MACOM Technology Solutions Holdings, Inc. (MTSI) Senior VP and CFO Form 4 filing reports a small open-market sale of company stock under a pre-arranged trading plan.

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. (MTSI) Senior VP and CFO Form 4 filing reports a small open-market sale of company stock under a pre-arranged trading plan. On 11/10/2025, the executive sold 972 shares of common stock at a price of $175.63 per share, reported under transaction code "S" for a sale. After this transaction, the executive directly holds 55,640 shares of MACOM common stock. The filing notes that this sale was made pursuant to a Rule 10b5-1 sales plan adopted on August 14, 2025, which is designed to allow insiders to sell shares according to a preset plan.

Insider Trade Summary

Net Seller: 972 shares

Net Sell 1 txn

Insider Kober John

Role Senior VP and CFO

Sold 972 shs ($171K)

Type	Security	Shares	Price	Value
Sale	Common Stock	972	$175.63	$171K

Holdings After Transaction: Common Stock — 55,640 shares (Direct)

Footnotes (1)

1. F1. The shares were sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

FAQ

What insider transaction did MACOM (MTSI) disclose in this Form 4?

The filing reports that the Senior VP and CFO of MACOM Technology Solutions Holdings, Inc. (MTSI) sold 972 shares of common stock on 11/10/2025 at a price of $175.63 per share.

How many MACOM (MTSI) shares does the executive own after this transaction?

Following the reported sale, the executive beneficially owns 55,640 shares of MACOM common stock in direct ownership.

Who is the reporting person in the MACOM (MTSI) Form 4 filing and what is their role?

The reporting person is an officer of MACOM Technology Solutions Holdings, Inc., serving as Senior VP and CFO, and is required to report transactions in MACOM equity.

Was the MACOM (MTSI) insider stock sale made under a Rule 10b5-1 plan?

Yes. The filing explains that the 972-share sale was made under a sales plan adopted on August 14, 2025, intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

What type of security was involved in the MACOM (MTSI) Form 4 transaction?

The transaction involved common stock of MACOM Technology Solutions Holdings, Inc., reported in Table I for non-derivative securities.

Were any derivative securities reported in this MACOM (MTSI) Form 4?

The Form 4 includes a Table II heading for derivative securities, but the provided content does not show any specific derivative transactions reported.

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Accepted by SEC EDGAR 11/13/2025 - 06:02 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).

X

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^*

Kober John

(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)
	Senior VP and CFO

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025

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	11/10/2025		S(1)		972	D	$175.63	55,640	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 sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

	/s/ Ambra R. Roth, Attorney-in-Fact	11/13/2025
	** 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.