MTSI director reports multi-day insider sales at weighted prices

Rhea-AI Filing Summary

MACOM Technology Solutions (MTSI) reported insider transactions by a director acting as trustee for family trusts. Indirect holdings sold common stock on three dates: 100,000 shares on 11/06/2025 at a weighted average price of $160.08; 56,711 shares on 11/07/2025 at $170.01; and multiple trades on 11/10/2025 totaling 35,289 shares at weighted averages of $170.20, $171.31, $172.46, and $173.31.

Following these transactions, 4,216,954 shares were beneficially owned indirectly by the Ocampo Family Trusts. Additional indirect holdings were listed as 2,577,334 shares by trusts for children and 1,500,000 shares by a GRAT. Reported prices are weighted averages executed across stated ranges.

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).

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^*

OCAMPO SUSAN

(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	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2025

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	11/06/2025		S		100,000	D	$160.08(1)	4,316,954	I	By Ocampo Family Trusts(2)
Common Stock	11/07/2025		S		56,711	D	$170.01(3)	4,260,243	I	By Ocampo Family Trusts(2)
Common Stock	11/10/2025		S		8,390	D	$170.2(4)	4,251,853	I	By Ocampo Family Trusts(2)
Common Stock	11/10/2025		S		23,421	D	$171.31(5)	4,228,432	I	By Ocampo Family Trusts(2)
Common Stock	11/10/2025		S		7,980	D	$172.46(6)	4,220,452	I	By Ocampo Family Trusts(2)
Common Stock	11/10/2025		S		3,498	D	$173.31(7)	4,216,954	I	By Ocampo Family Trusts(2)
Common Stock								2,577,334(8)	I	By trusts for children(2)
Common Stock								1,500,000	I	By GRAT(2)

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 price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.00 to $160.53. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The Reporting Person is a trustee of two Ocampo Family Trusts, the GRAT and each of the following trusts for the benefit of her children: (i) a trust for her son; (ii) a trust for her daughter; and (iii) a trust for her son.

3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $170.00 to $170.11. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $170.20 to $170.58. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $171.00 to $171.70. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $172.10 to $172.83. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

7. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $173.12 to $173.57. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

8. 734,944 of such shares are held by a trust for the Reporting Person's son; 921,195 of such shares are held by a trust for the Reporting Person's daughter; and 921,195 of such shares are held by a trust for the Reporting Person's son.

	/s/ Ambra R. Roth, Attorney-in-Fact	11/10/2025
	** 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).
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FAQ

What insider transactions did MTSI report?

Indirect holdings sold common stock on 11/06/2025 (100,000 shares at a weighted average price of $160.08), 11/07/2025 (56,711 at $170.01), and 11/10/2025 (multiple trades at $170.20, $171.31, $172.46, and $173.31).

How many MTSI shares were beneficially owned after the reported trades?

4,216,954 shares were beneficially owned indirectly by the Ocampo Family Trusts after the reported transactions.

What additional indirect MTSI holdings were disclosed?

2,577,334 shares were held by trusts for children and 1,500,000 shares by a GRAT, both listed as indirect holdings.

Were the reported prices single executions or averages?

They are weighted average prices. Each trade was executed across price ranges, with detailed breakdowns available upon request.

What was the insider’s relationship to MTSI?

The reporting person is a director and trustee for the Ocampo Family Trusts and related trusts.