Ocampo family trusts sell MTSI shares and gift stock

Ocampo family trusts associated with MACOM Technology Solutions Holdings, Inc. reported significant insider activity in MACOM (MTSI) common stock.

Rhea-AI Filing Summary

Ocampo family trusts associated with MACOM Technology Solutions Holdings, Inc. reported significant insider activity in MACOM (MTSI) common stock. On February 24–25, 2026, Ocampo Family Trusts executed open-market sales totaling 315,272 shares at weighted average prices around $250–$255 per share.

The filing also reports a bona fide gift of 174,465 shares to a charitable donor-advised fund in which the reporting person has no pecuniary interest. After these transactions, entities described as Ocampo Family Trusts collectively held 3,585,430 MACOM common shares indirectly, including amounts held by separate trusts for the reporting person’s children and a GRAT.

Insider Trade Summary

Net Seller: 315,272 shares

Net Sell 7 txns

Insider OCAMPO SUSAN

Role 10% Owner

Sold 315,272 shs ($79.98M)

Type	Security	Shares	Price	Value
Sale	Common Stock	41,012	$250.3945	$10.27M
Sale	Common Stock	2,323	$251.1582	$583K
Sale	Common Stock	218,428	$255.2223	$55.75M
Gift	Common Stock	174,465	$0.00	$0.00
Sale	Common Stock	53,509	$250.077	$13.38M
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 3,585,430 shares (Indirect, By Ocampo Family Trusts); Common Stock — 2,577,334 shares (Indirect, By trusts for children); Common Stock — 938,631 shares (Indirect, By GRAT)

Footnotes (7)

1. F1. 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.
2. F2. 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.
3. F3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $250 to $250.755. 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. F4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $250 to $250.79. 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. F5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $251.035 to $251.395. 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. F6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $255.00 to $255.96. 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. F7. Represents a bona fide gift of shares to a charitable donor-advised fund in which the Reporting Person has no pecuniary interest.

FAQ

What insider transactions did Ocampo family trusts report for MACOM (MTSI)?

Ocampo family trusts reported both sales and a charitable gift of MACOM (MTSI) common stock. The trusts sold 315,272 shares in several open‑market transactions and made a bona fide gift of 174,465 shares to a donor‑advised charitable fund, all reported as indirect ownership changes.

How many MACOM (MTSI) shares did Ocampo family trusts sell?

Ocampo family trusts sold 315,272 MACOM (MTSI) common shares. These sales occurred across four open‑market transactions on February 24 and 25, 2026, and were reported as indirect transactions by Ocampo Family Trusts rather than direct personal trades by the reporting individual.

At what prices were MACOM (MTSI) shares sold by the Ocampo family trusts?

The reported weighted average sale prices ranged around $250–$255 per MACOM (MTSI) share. Individual transactions show weighted averages such as $250.077, $250.3945, $251.1582, and $255.2223, with footnotes noting detailed price ranges within each aggregated sale.

How many MACOM (MTSI) shares did the Ocampo family trusts hold after these transactions?

After the reported transactions, Ocampo Family Trusts held 3,585,430 MACOM (MTSI) shares indirectly. This figure reflects post‑transaction totals across the various family-related trusts, including the GRAT and separate trusts established for the reporting person’s children.

Was any MACOM (MTSI) stock gifted to charity in this Form 4?

Yes, 174,465 MACOM (MTSI) shares were reported as a bona fide gift. The shares were transferred to a charitable donor‑advised fund, and a footnote states the reporting person has no pecuniary interest in those gifted shares.

Who is shown as holding the MACOM (MTSI) shares in this insider filing?

The shares are held indirectly by various Ocampo family-related trusts. The reporting person is a trustee of two Ocampo Family Trusts, a GRAT, and multiple trusts for her children, and the Form 4 attributes the holdings and transactions to these entities.

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Accepted by SEC EDGAR 02/26/2026 - 12:11 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

X

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)

BOX #88439

(Street)

HONOLULU HI 96815

(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)
02/24/2026

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	02/24/2026		S		53,509	D	$250.077(3)	4,021,658	I	By Ocampo Family Trusts(1)
Common Stock	02/25/2026		S		41,012	D	$250.3945(4)	3,980,646	I	By Ocampo Family Trusts(1)
Common Stock	02/25/2026		S		2,323	D	$251.1582(5)	3,978,323	I	By Ocampo Family Trusts(1)
Common Stock	02/25/2026		S		218,428	D	$255.2223(6)	3,759,895	I	By Ocampo Family Trusts(1)
Common Stock	02/25/2026		G(7)		174,465	D	$0(7)	3,585,430	I	By Ocampo Family Trusts(1)
Common Stock								2,577,334(2)	I	By trusts for children(1)
Common Stock								938,631	I	By GRAT(1)

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 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.

2. 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.

3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $250 to $250.755. 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 $250 to $250.79. 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 $251.035 to $251.395. 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 $255.00 to $255.96. 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. Represents a bona fide gift of shares to a charitable donor-advised fund in which the Reporting Person has no pecuniary interest.

Remarks:

Reporting person ceased to be a 10% owner on 2/25/2026 and is no longer subject to Section 16.

	/s/ Susan Ocampo	02/26/2026
	** 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.