SCHEDULE 13G/A 0001252243 XXXXXXXX LIVE 14 Common Stock, $0.001 par value 03/31/2025 0001493594 MACOM Technology Solutions Holdings, Inc. 55405Y100 100 Chelmsford Street Lowell MA 01851 Rule 13d-1(d) Susan M. Ocampo X1 1623.00 10993095.00 1623.00 10993095.00 10994718.00 N 14.8 IN MACOM Technology Solutions Holdings, Inc. 100 Chelmsford Street, Lowell, MA 01851 This Amendment No. 14 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 and Amendment No. 13 thereto filed on February 10, 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. 14 are hereby amended and restated. c/o MACOM Technology Solutions Holdings, Inc., 100 Chelmsford Street, Lowell, MA 01851 United States Y 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 aggregate 10,994,718 shares reported as beneficially owned by the Reporting Person consists of (x) 1,623 shares directly held by Susan M. Ocampo and (y) (i) 4,815,331 shares held by Susan M. Ocampo as trustee of the Ocampo Family Trust, (ii) an aggregate of 4,677,764 shares held by Susan M. Ocampo as trustee of trusts for the benefit of her children and (iii) 1,500,000 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. 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 74,405,920 shares of Common Stock outstanding as of March 31, 2025, as provided to the Reporting Person by the Issuer. 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 information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference. 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 information required by this paragraph is set forth in the cover page to this Schedule 13G/A and is incorporated herein by reference. Y Y Y Y Y Y Susan M. Ocampo /s/ Susan M. Ocampo 04/21/2025