Ultra Clean Holdings, Inc.
UCTT- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001275014
In the last 90 days, Ultra Clean Holdings, Inc. insiders filed 0 open-market purchases and 1 sale; 438 institutions reported holding it in 13F filings for Q2 2026, worth $6.50B in total; Maverick Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Ultra Clean Holdings, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $494.0K in total
- Insiders trading
- 1
- Net value
- −$494.0K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Ultra Clean Holdings, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Keogh Michael Dennis | Chief Financial Officer | 20,917 | Sep 4, 2026 | 1 |
| Cook Christopher S | President, Products Division | 98,126 | Sep 2, 2026 | 4 |
| Harding Brian E | Chief Accounting Officer | 33,581 | Jul 7, 2026 | 6 |
| Savage Sheri | CFO | 66,476 | Jun 9, 2026 | 4 |
| Cho Paul Yoonku | General Counsel and Secretary | 22,941 | Jun 4, 2026 | 4 |
| Edman Thomas T | Director | 48,616 | May 27, 2026 | 1 |
| Maddock Ernest E | Director | 47,816 | May 27, 2026 | 1 |
| Liggett Emily M | Director | 38,152 | May 27, 2026 | 1 |
| Granger Clarence L | Director | 84,392 | May 27, 2026 | 5 |
| Ibnale David T | Director | 47,816 | May 27, 2026 | 2 |
| Solomon Joanne | Director | 12,083 | May 27, 2026 | 1 |
| Seto Jacqueline A. | Director | 31,525 | May 27, 2026 | 1 |
| McKibben Jeffrey L. | Chief Information Officer | 17,245 | May 27, 2026 | 4 |
| Palfrey Jamie J. | SVP, Global Human Resources | 26,343 | May 27, 2026 | 3 |
| Johnson Samuel Williams | SVP, Services Business | 16,436 | May 27, 2026 | 2 |
| Xiao Jinsong | Chief Executive Officer | 149,123 | May 27, 2026 | 2 |
| Wunar Robert Anthony | Chief Operating Officer | 10,732 | May 27, 2026 | 1 |
| Bajwa Harjinder | Chief Operating Officer | 76,693 | Jul 2, 2025 | 0 |
| Bentinck Bill | President, Services Business | 71,503 | May 2, 2025 | 0 |
| Scholhamer James P | CEO | 418,453 | Jul 11, 2024 | 0 |
| Scherer Barbara Vaughn | Director | 53,543 | May 24, 2024 | 0 |
| Chinnasami Vijayan S. | Chief Operating Officer | 184,342 | May 2, 2023 | 0 |
| Siu Chris | Chief Accounting Officer & SVP | 40,106 | Jun 2, 2022 | 0 |
| Williams William Joe | President, Products Business | 34,061 | May 3, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 5, 2025 (view filing) | Dec 3 | 2 days | Ibnale David TDirector | SSale | −23.5K | $26.63 | −$625.8K | −34.2%45.2K after | |
| May 4, 2026 (view filing) | Apr 30 | 4 days | Cook Christopher SPresident, Products Division | SSale | −11.9K | $75.31 | −$896.4K | −9.9%108.9K after | |
| May 5, 2026 (view filing) | May 1 | 4 days | Granger Clarence LDirector | SSale | −30.0K | $75.30 | −$2.26M | −26.8%81.8K after | 4 lots10b5-1 |
| May 6, 2026 (view filing) | May 4 | 2 days | Cook Christopher SPresident, Products Division | SSale | −11.5K | $73.96 | −$848.9K | −10.5%97.4K after | 2 lots |
| May 7, 2026 (view filing) | May 5 | 2 days | Harding Brian EChief Accounting Officer | SSale | −4.00K | $80.00 | −$320.0K | −9.8%36.6K after | |
| May 7, 2026 (view filing) | May 5 | 2 days | Palfrey Jamie J.SVP, Global Human Resources | SSale | −8.69K | $79.73 | −$692.9K | −34.6%16.4K after | |
| May 12, 2026 (view filing) | May 8 | 4 days | McKibben Jeffrey L.Chief Information Officer | SSale | −2.50K | $86.48 | −$216.2K | −13.8%15.6K after | |
| May 12, 2026 (view filing) | May 8 | 4 days | Cho Paul YoonkuGeneral Counsel and Secretary | SSale | −2.00K | $86.89 | −$173.8K | −11.2%15.8K after | |
| May 18, 2026 (view filing) | May 14 | 4 days | McKibben Jeffrey L.Chief Information Officer | SSale | −4.21K | $87.00 | −$365.8K | −27.0%11.3K after | |
| May 27, 2026 (view filing) | May 27 | Same day | Liggett Emily MDirector | SSale | −8.20K | $92.18 | −$755.7K | −17.7%38.2K after | |
| Jun 4, 2026 (view filing) | Jun 2 | 2 days | Cho Paul YoonkuGeneral Counsel and Secretary | SSale | −944 | $89.37 | −$84.4K | −4.0%22.9K after | |
| Jun 8, 2026 (view filing) | Jun 4 | 4 days | Harding Brian EChief Accounting Officer | SSale | −17.0K | $89.47 | −$1.52M | −37.7%28.1K after | 22 lots10b5-1 |
| Jun 9, 2026 (view filing) | Jun 4 | 5 daysLate | Savage SheriCFO | SSale | −15.8K | $89.47 | −$1.41M | −23.7%50.7K after | 17 lots10b5-1 |
| Jun 9, 2026 (view filing) | Jun 4 | 5 daysLate | Savage SheriCFO | SSale | −14.4K | $89.45 | −$1.29M | −17.8%66.5K after | 29 lots10b5-1 |
| Jul 7, 2026 (view filing)7:06 PM ET | Jul 2 | 5 days | Harding Brian EChief Accounting Officer | SSale | −3.84K | $128.75 | −$494.0K | −10.3%33.6K after | 3 lots10b5-1 |