Palfrey Jamie J. 4

What Happened

• Jamie J. Palfrey, Senior Vice President, Global Human Resources at Ultra Clean Holdings (UCTT), had a total of 5,328 shares disposed on 2026-04-30 as tax withholding related to the partial settlement of vested restricted stock units (RSUs). The withholding occurred in three lots: 2,463 shares ($192,483), 1,485 shares ($116,053), and 1,380 shares ($107,847), each at $78.15 per share, for a combined value of approximately $416,383.
• This transaction is a tax-withholding disposition (code F), not an open-market sale or a purchase; it reflects shares automatically withheld to satisfy tax liabilities from RSU vesting.

Key Details

• Transaction date: 2026-04-30; Price per share: $78.15.
• Shares withheld/disposed: 2,463; 1,485; 1,380 — total 5,328 shares; total value ≈ $416,383.
• Transaction code: F (tax withholding for vested RSUs). Footnote: shares automatically withheld to pay tax liability from partial settlement of RSU awards that vested.
• Shares owned after the transaction: not specified in the reported excerpt of this filing.
• Filing date: 2026-05-04 — filed within the standard two-business-day Form 4 reporting window (not late).

Context

• Withholding to cover taxes on vested RSUs is a routine corporate practice and is treated as a disposition on Form 4. It does not necessarily indicate a voluntary sale by the insider.