John Kober, Senior VP and CFO of MACOM Technology Solutions Holdings, Inc., filed a Form 4 on October 27, 2026, disclosing two transactions in the company's common stock dated October 23 and October 26, 2026.

Key Highlights

  • Tax withholding disposal: 428 shares of common stock were withheld by the issuer on October 23, 2026, at $236.24 per share, to satisfy tax obligations connected with the vesting of restricted stock units.
  • Open-market sale: 1,027 shares were sold on October 26, 2026, at $236.60 per share, pursuant to a pre-established 10b5-1 sales plan.
  • 10b5-1 plan date: The sales plan was adopted by Kober on August 14, 2025, and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934, according to the filing.
  • Remaining ownership: Following both transactions, Kober directly held 34,405 shares of MACOM common stock, the filing reported.
  • Exchange and ticker: MACOM Technology Solutions Holdings, Inc. trades as NASDAQ:MTSI.

John Kober's October 2026 Share Transactions at MACOM Technology Solutions

According to the Form 4 filed on October 27, 2026, John Kober, who serves as Senior VP and CFO of MACOM Technology Solutions Holdings, Inc., reported two separate disposals of common stock occurring over consecutive trading days. The first transaction, dated October 23, 2026, involved 428 shares disposed of at $236.24 per share under transaction code "F," which the filing's footnote identifies as shares withheld by the issuer to satisfy Kober's tax withholding obligations in connection with the vesting of restricted stock units on that date.

The second transaction, dated October 26, 2026, involved the sale of 1,027 shares at $236.60 per share under transaction code "S." The filing's footnote states that "the shares were sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934." The form was also checked to indicate that the transaction was made pursuant to a contract, instruction, or written plan satisfying the affirmative defense conditions of Rule 10b5-1(c).

After both transactions were recorded, the filing disclosed that Kober's direct beneficial ownership of MACOM common stock stood at 34,405 shares. No derivative securities were reported in Table II of the filing. The form was signed by Ambra R. Roth as Attorney-in-Fact on October 27, 2026.

What Was Disclosed

The filing reported two disposals of MACOM common stock by CFO John Kober: 428 shares withheld for tax purposes on October 23, 2026, and 1,027 shares sold on October 26, 2026, under a Rule 10b5-1 plan adopted August 14, 2025, leaving him with 34,405 shares directly held.