Susan M. Ocampo filed Amendment No. 20 to a beneficial ownership statement with the SEC on October 30, 2026, disclosing a 6.4% stake in MACOM Technology Solutions Holdings, Inc., a semiconductor company headquartered in Lowell, Massachusetts.

Key Highlights

  • Filer: Susan M. Ocampo, a United States individual, filed Amendment No. 20 to her beneficial ownership statement dated October 30, 2026.
  • Total shares reported: 4,884,490 shares of MACOM Technology Solutions Holdings Common Stock, $0.001 par value, as of September 30, 2026.
  • Percent of class: 6.4%, based on 76,370,931 shares of Common Stock outstanding as of September 30, 2026.
  • Voting and dispositive power: All 4,884,490 shares carry shared voting power and shared dispositive power; sole voting and sole dispositive power are each reported as 0.
  • Breakdown of holdings: 2,496,234 shares held in two Ocampo Family Trusts; 1,890,850 shares held in three trusts for the benefit of her children; and 497,406 shares held in a grantor retained annuity trust.
  • Role as trustee: Susan M. Ocampo serves as trustee of each of the trusts described and holds voting and dispositive power over all shares held by those trusts.

Ocampo Discloses Trust-Based Stake in MACOM Technology Solutions

According to the filing, Susan M. Ocampo's 4,884,490 reported shares are held entirely through a collection of trusts rather than in her personal name directly. MACOM Technology Solutions Holdings, Inc. (NASDAQ:MTSI), headquartered at 100 Chelmsford Street, Lowell, MA 01851, is a provider of semiconductor solutions, with its common stock carrying a par value of $0.001 per share. The filing identifies Ocampo's address as Box #88439, Honolulu, HI, 96815.

The filing breaks down the 4,884,490 shares into three categories. An aggregate of 2,496,234 shares are held by Ocampo as trustee of two Ocampo Family Trusts. An additional aggregate of 1,890,850 shares are held by Ocampo as trustee of three trusts established for the benefit of her children. The remaining 497,406 shares are held in a grantor retained annuity trust. The filing states that Ocampo, as trustee of each trust, holds both voting and dispositive power over all shares within those structures.

This is the twentieth amendment to a Schedule 13G originally filed on February 14, 2013. Prior amendments were filed at various dates including, most recently, Amendment No. 19 on August 12, 2026. The percentage ownership reported, 6.4%, is calculated against a total of 76,370,931 shares of Common Stock outstanding as of September 30, 2026, which is cited as the date of the event requiring this filing. The filing classifies Ocampo as an individual (type "IN") and does not identify her as a broker, bank, investment adviser, or any other institutional category listed in the form.

What Was Disclosed

Susan M. Ocampo disclosed beneficial ownership of 4,884,490 shares of MACOM Technology Solutions Holdings Common Stock, representing 6.4% of the class, held through multiple family and children's trusts and a grantor retained annuity trust, with all power shared rather than sole.