Cho Paul Yoonku 4

What Happened Paul Y. Cho, General Counsel and Secretary of Ultra Clean Holdings (UCTT), had a total of 5,501 shares disposed on April 30, 2026 as shares withheld to satisfy tax liabilities from the partial settlement of vested restricted stock units (RSUs). The withholding transactions were: 1,582 shares at $78.15 each ($123,633); 1,465 shares at $78.15 each ($114,490); and 2,454 shares at $78.15 each ($191,780). Total value of the shares withheld is approximately $429,903. These were not open-market sales for cash gain but routine share withholdings to pay taxes on vested awards.

Key Details

• Transaction date: 2026-04-30; prices: $78.15 per share for each tranche.
• Shares withheld/disposed: 1,582; 1,465; 2,454 — total 5,501 shares; total value ≈ $429,903.
• Footnote: F1 — shares automatically withheld to pay tax liability from partial settlement of vested RSUs (tax withholding).
• Shares owned after the transaction: Not disclosed in the filing.
• Filing: Report filed 2026-05-04; appears to be timely (filed within required business-day window).

Context Code F transactions are tax withholding from equity awards and are common when RSUs vest; they generally do not indicate a voluntary sale or change in an insider’s view of the company. This filing documents the administrative settlement of taxes related to vested RSUs rather than a discretionary sale or purchase.