[Form 4] MACOM Technology Solutions Holdings, Inc Insider Trading Activity

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. reporting person John Kober, identified as Senior VP and CFO, disclosed a sale of 1,000 shares of common stock on 08/08/2025 at a price shown as $123.4 per share, leaving 46,128 shares held directly after the transaction. The Form 4 entry records the transaction code as a sale and shows no entries in the derivative securities table.

The filing states the sale was executed pursuant to a sales plan adopted on August 21, 2024 and intended to comply with Rule 10b5-1, indicating the disposition was made under a pre-established plan rather than an ad hoc trade. No amendment information or additional material transactions are reported in this filing.

Insights

Financial Analyst

TL;DR: Routine CFO sale of 1,000 MTSI shares under a 10b5-1 plan; direct holdings reported at 46,128 shares.

The Form 4 documents a straight disposal of 1,000 common shares by John Kober, Senior VP and CFO, at a reported price of $123.4 per share, with direct ownership post-transaction of 46,128 shares. The sale is described as executed under a 10b5-1 sales plan adopted August 21, 2024, and no derivative positions are disclosed. From a financial reporting perspective, this is a common disclosure that updates insider ownership and liquidity events without indicating changes to company operations or financial statements.

Corporate Governance Expert

TL;DR: Insider sale appears governed by a pre-established 10b5-1 plan; disclosure aligns with Section 16 requirements.

The filing identifies the reporter as an officer (Senior VP and CFO) and explicitly notes the sale was made pursuant to a sales plan intended to satisfy Rule 10b5-1 affirmative defense conditions. That detail is material for governance transparency because it signals the transaction was preplanned. The Form 4 shows no derivatives or amendments, and the ownership form is listed as direct, which simplifies the beneficial ownership picture for compliance monitoring.

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)
08/08/2025

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	08/08/2025		S(1)		1,000	D	$123.4	46,128	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 21, 2024 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

	/s/ Ambra R. Roth, Attorney-in-Fact	08/12/2025
	** 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.

FAQ

What transaction did MACOM insider John Kober report on Form 4 (MTSI)?

The filing reports a sale of 1,000 shares of MACOM common stock by John Kober, Senior VP and CFO.

When was the reported transaction executed and at what price?

The transaction date listed is 08/08/2025 with a reported price of $123.4 per share.

Was the sale part of a 10b5-1 plan for MTSI?

Yes. The Form 4 explains the shares were sold pursuant to a sales plan adopted on August 21, 2024 and intended to comply with Rule 10b5-1.

How many MACOM shares does John Kober own after the reported sale?

The filing shows 46,128 shares beneficially owned by John Kober following the reported transaction.

Does the Form 4 report any derivative securities or amendments?

No. The filing contains no entries in the derivative securities table and lists no amendment date.