Clarence L. Granger's Stock Transaction in Ultra Clean Holdings, Inc.

On September 12, 2025, Clarence L. Granger, a director of Ultra Clean Holdings, Inc., reported a transaction involving the company's common stock. Granger disposed of 9,938 shares at a price of $25.23 per share. This transaction was related to the partial settlement of restricted stock unit awards that vested, with shares automatically withheld for payment of tax liability. Following the transaction, Granger's total ownership in the company's common stock amounted to 121,817 shares. The filing was made under Section 16 of the Securities Exchange Act of 1934, indicating a change in beneficial ownership.