Ultra Clean Holdings Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Ultra Clean Holdings Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 3674 — Semiconductors & Related Devices
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Hayward
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- UCTT
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001275014
- EIN
- 61-1430858
Board of directors
-
Barbara Vaughn Scherer · DirectorSince 2023
-
Clarence L. Granger · Director · Interim CEOSince 2023
-
David T. Ibnale · DirectorSince 2023
-
Emily M. Liggett · DirectorSince 2023
-
Ernest E. Maddock · DirectorSince 2023
-
Jacqueline A. Seto · DirectorSince 2023
-
James P. Scholhamer · Director · CEOSince 2023
-
Joanne Solomon · DirectorSince 2025
-
Thomas T. Edman · DirectorSince 2023
Chief executives
Dates unknown
James P. Scholhamer
· CEO
Dates unknown
Director election results
Annual meeting of May 22, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
93.3%
-
93.3%
-
98.6%
-
98.8%
-
98.9%
-
99.5%
-
99.7%
Board connections
5 of this board's directors also sit on 8 other boards.
- via Emily M. Liggett and Thomas T. Edman
- via Ernest E. Maddock
- via Thomas T. Edman
- via Barbara Vaughn Scherer
- via Ernest E. Maddock
- via Thomas T. Edman
- via Ernest E. Maddock
- via Joanne Solomon
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $11,953,260
- 86 sales by 9 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Cook Christopher S Officer (President, Products Division) | Shares withheld for tax | −12,497 | $67.83 | $847,672 |
| Aug 31, 2026 | Keogh Michael Dennis Officer (Chief Financial Officer) | Grant or award | +20,917 | — | — |
| Jul 2, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −440 | $126.92 | $55,843 |
| Jul 2, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −2,194 | $128.37 | $281,638 |
| Jul 2, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −1,203 | $130.12 | $156,539 |
| Jun 26, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Grant or award | +9,363 | — | — |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −600 | $87.37 | $52,422 |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −396 | $87.24 | $34,547 |
| Jun 4, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −196 | $85.86 | $16,829 |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −1,070 | $88.69 | $94,898 |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −988 | $88.29 | $87,231 |
| Jun 4, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −1,176 | $87.72 | $103,159 |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −688 | $89.78 | $61,769 |
| Jun 4, 2026 | Sheri Savage Officer (CFO) | Open-market sale | −935 | $89.22 | $83,421 |
| Jun 4, 2026 | HARDING BRIAN E Officer (Chief Accounting Officer) | Open-market sale | −1,933 | $88.74 | $171,534 |
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