Susan Ocampo reports 10.7% Technology Solutions Holdings (MTSI) stake via trusts

Rhea-AI Filing Summary

Technology Solutions Holdings, Inc. shareholder Susan M. Ocampo has filed Amendment No. 17 to a Schedule 13G reporting her beneficial ownership in the company’s common stock. She reports beneficial ownership of 7,994,288 shares, representing 10.7% of the common stock outstanding as of December 31, 2025, based on 75,010,891 shares provided by the issuer.

The position is held entirely through multiple family-related trusts. These include 4,478,323 shares in two Ocampo Family Trusts, 2,577,334 shares in six trusts for the benefit of her children, and 938,631 shares in a grantor retained annuity trust. As trustee of each trust, Ocampo has shared voting and dispositive power over all reported shares.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 17)

MACOM Technology Solutions Holdings, Inc.

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

55405Y100

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 55405Y100

1

Names of Reporting Persons

Susan M. Ocampo

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 7,994,288.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 7,994,288.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,994,288.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.7 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MACOM Technology Solutions Holdings, Inc.
(b)	Address of issuer's principal executive offices: 100 Chelmsford Street, Lowell, MA 01851
Item 2.
(a)	Name of person filing: This Amendment No. 17 to Schedule 13G is filed by Susan M. Ocampo. Reference is hereby made to the Schedule 13G filed with the Securities and Exchange Commission on February 14, 2013, Amendment No. 1 thereto filed on February 12, 2014, Amendment No. 2 thereto filed on February 18, 2015, Amendment No. 3 thereto filed on February 10, 2016, Amendment No. 4 thereto filed on January 12, 2017, Amendment No. 5 thereto filed on January 11, 2018, Amendment No. 6 thereto filed on January 16, 2019, Amendment No. 7 thereto filed on January 15, 2020, Amendment No. 8 thereto filed on January 6, 2021, Amendment No. 9 thereto filed on January 18, 2022, Amendment No. 10 thereto filed on January 12, 2023, Amendment No. 11 thereto filed on January 23, 2024, Amendment No. 12 thereto filed on October 28, 2024, Amendment No. 13 thereto filed on February 10, 2025, Amendment No. 14 thereto filed on April 21, 2025, Amendment No. 15 thereto filed on July 24, 2025, and Amendment No. 16 thereto filed on October 20, 2025 (as so amended, the "Schedule 13G"). Terms defined in the Schedule 13G are used herein as so defined. The items responded to in this Amendment No. 17 are hereby amended and restated.
(b)	Address or principal business office or, if none, residence: Box #88439 Honolulu, HI, 96815
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock, $0.001 par value
(e)	CUSIP No.: 55405Y100
Item 4.	Ownership
(a)	Amount beneficially owned: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference. The 7,994,288 shares reported as beneficially owned by the Reporting Person consists of (i) an aggregate of 4,478,323 shares held by Susan M. Ocampo as trustee of two Ocampo Family Trusts, (ii) an aggregate of 2,577,334 shares held by Susan M. Ocampo as trustee of six trusts for the benefit of her children and (iii) 938,631 shares held in a grantor retained annuity trust (collectively, the "Trusts"). Susan M. Ocampo is the trustee of each of the Trusts and has voting and dispositive power over the shares held by the Trusts.
(b)	Percent of class: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference. Percentage ownership is based on 75,010,891 shares of Common Stock outstanding as of December 31, 2025, as provided to the Reporting Person by the Issuer.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference.
	(ii) Shared power to vote or to direct the vote: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Susan M. Ocampo

Signature:	/s/ Susan M. Ocampo
Name/Title:	Susan M. Ocampo, Individually
Date:	01/28/2026

FAQ

How many Technology Solutions Holdings (MTSI) shares does Susan M. Ocampo report owning?

Susan M. Ocampo reports beneficial ownership of 7,994,288 shares of Technology Solutions Holdings common stock. These shares are held through multiple family-related trusts where she serves as trustee with voting and dispositive power over all reported shares.

What percentage of Technology Solutions Holdings (MTSI) does Susan M. Ocampo beneficially own?

Susan M. Ocampo reports beneficial ownership of 10.7% of Technology Solutions Holdings’ common stock. This percentage is calculated based on 75,010,891 shares outstanding as of December 31, 2025, as provided to her by the issuer.

How are Susan M. Ocampo’s Technology Solutions Holdings (MTSI) shares held?

All 7,994,288 reported shares are held through family-related trusts. These include Ocampo Family Trusts, six trusts for her children, and a grantor retained annuity trust, with Ocampo acting as trustee and holding voting and dispositive power over the shares.

What types of trusts hold Susan M. Ocampo’s stake in Technology Solutions Holdings (MTSI)?

Her stake is held via three trust groupings: two Ocampo Family Trusts, six trusts established for the benefit of her children, and a grantor retained annuity trust. She is trustee of each trust and controls voting and disposition of the shares.

How many Technology Solutions Holdings (MTSI) shares were outstanding for this ownership calculation?

The reported 10.7% ownership is based on 75,010,891 shares of Technology Solutions Holdings common stock outstanding as of December 31, 2025. This outstanding share count was provided to the reporting person by the company.

Does this filing indicate that Susan M. Ocampo owns more than 5% of Technology Solutions Holdings (MTSI)?

Yes. Susan M. Ocampo reports beneficial ownership of 10.7% of Technology Solutions Holdings’ common stock. Because this exceeds the 5% threshold, she is required to report her holdings on Schedule 13G/A under SEC beneficial ownership rules.