Ultra Clean Holdings, Inc. (UCTT) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 16, 2026, Ultra Clean Holdings's three dominant insider ownership positions are held by Ceo James P Scholhamer (418.45K shares), Chief Operating Officer Vijayan S. Chinnasami (184.34K shares), President And Products Division Christopher S Cook (130.01K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
James P Scholhamer Ceo 418,453 11 Jul, 2024
Vijayan S. Chinnasami Chief Operating Officer 184,342 02 May, 2023
Christopher S Cook President And Products Division 130,015 03 Sep, 2025
Jinsong Xiao Chief Executive Officer 117,948 30 Sep, 2025
Clarence L Granger 117,817 04 Dec, 2025
Harjinder Bajwa Chief Operating Officer 76,693 02 Jul, 2025
Bill Bentinck President And Services Business 71,503 02 May, 2025
Sheri Savage Cfo 66,381 02 May, 2025
Barbara Vaughn Scherer 53,543 24 May, 2024
Brian E Harding Chief Accounting Officer 48,237 02 Jul, 2025
Thomas T Edman 46,041 27 May, 2025
Ernest E Maddock 45,241 23 May, 2025
David T Ibnale 45,241 05 Dec, 2025
Emily M Liggett 43,775 23 May, 2025
Joan Sterling Svp And Human Resources 40,548 04 May, 2021
Chris Siu Chief Accounting Officer & Svp 40,106 02 Jun, 2022
William Joe Williams President And Products Business 34,061 03 May, 2022
Jamie J. Palfrey Svp And Global Human Resources 30,465 08 May, 2025
Jacqueline A. Seto 28,950 23 May, 2025
Paul Yoonku Cho General Counsel And Secretary 23,345 10 Jun, 2025
Jeffrey L. Mckibben Chief Information Officer 21,996 06 Jun, 2025
Amir Widmann President And Fluid Solutions 14,462 18 May, 2021
Joanne Solomon 9,508 27 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
03 Dec, 2025 David T Ibnale Common Stock D 23,500 $26.63 45,241 D S
02 Dec, 2025 Clarence L Granger Common Stock D 1,000 $0.00 117,817 D G
25 Nov, 2025 Clarence L Granger Common Stock D 3,000 $0.00 118,817 D G
26 Sep, 2025 Jinsong Xiao - - 117,948 D
26 Sep, 2025 Jinsong Xiao Common Stock A 117,948 $0.00 117,948 D A
12 Sep, 2025 Clarence L Granger Common Stock D 9,938 $25.23 121,817 D F
29 Aug, 2025 Christopher S Cook - - 130,015 D
29 Aug, 2025 Christopher S Cook Common Stock A 73,686 $0.00 130,015 D A
30 Jun, 2025 Brian E Harding Common Stock D 4,198 $22.57 48,237 D F
30 Jun, 2025 Harjinder Bajwa Common Stock D 4,534 $22.57 76,693 D F
06 Jun, 2025 Paul Yoonku Cho Common Stock D 4,084 $21.06 23,345 D S
06 Jun, 2025 Paul Yoonku Cho - - 23,345 D
04 Jun, 2025 Jeffrey L. Mckibben Common Stock D 6,294 $20.87 21,996 D S
21 May, 2025 Thomas T Edman Common Stock A 8,198 $0.00 46,041 D A
21 May, 2025 Ernest E Maddock Common Stock A 8,198 $0.00 45,241 D A
21 May, 2025 Emily M Liggett - - 43,775 D
21 May, 2025 Emily M Liggett Common Stock A 8,198 $0.00 43,775 D A
21 May, 2025 Clarence L Granger Common Stock A 8,198 $0.00 131,755 D A
21 May, 2025 David T Ibnale Common Stock A 8,198 $0.00 68,741 D A
21 May, 2025 Joanne Solomon Common Stock A 8,198 $0.00 9,508 D A