Ultra Clean Holdings, Inc. (UCTT) has 20 known insider and institutional holders on record. The largest holder is AIT HOLDING CO LLC with 2,838,044 shares. Other notable holders include Scholhamer James P and ADDIEGO GINETTO.
Over the last 12 months, insiders have made 37 transactions in UCTT stock — 16 buys (valued at RSU Award) and 4 sells (valued at $1.03M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
UCTT Insider Ownership
Top Holder
AIT HOLDING CO LLC
2,838,044 shares
Buys (12 mo)
16
$0.00 value
Sells (12 mo)
4
$1.03M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Ait Holding Co Llc |
10 Percent Owner |
2,838,044 |
2014-02-19 |
|
| 2 |
Scholhamer James P |
CEO |
418,453 |
2024-07-11 |
|
| 3 |
Addiego Ginetto |
President & COO |
396,816 |
2014-03-11 |
|
| 4 |
Eichler Kevin C |
President, CFO |
390,022 |
2016-03-29 |
|
| 5 |
Chinnasami Vijayan S. |
Chief Operating Officer |
184,342 |
2023-05-02 |
|
| 6 |
Brumm Sheri |
CFO, SVP Finance and Secretary |
168,974 |
2017-08-03 |
|
| 7 |
Lev Lavi |
President, Asia |
121,098 |
2018-05-01 |
|
| 8 |
Xiao Jinsong |
Chief Executive Officer |
117,948 |
2025-09-30 |
|
| 9 |
Granger Clarence L |
Director |
111,817 |
2026-03-03 |
|
| 10 |
Speirs David |
SVP, North America |
106,055 |
2018-09-27 |
|
| 11 |
Bajwa Harjinder |
Chief Operating Officer |
76,693 |
2025-07-02 |
|
| 12 |
Hayward Deborah |
SVP, Global Acct Mgmt |
73,118 |
2015-02-13 |
|
| 13 |
Bentinck Bill |
President, Services Business |
71,503 |
2025-05-02 |
|
| 14 |
Savage Sheri |
CFO |
66,381 |
2025-05-02 |
|
| 15 |
Chenault John |
Director |
61,000 |
2015-06-05 |
|
| 16 |
Billat Susan |
Director |
56,358 |
2014-05-23 |
|
| 17 |
Cook Christopher S |
President, Products Division |
56,329 |
2025-05-02 |
|
| 18 |
Hayward Deborah E |
SVP, Global Account Mgmt |
55,247 |
2018-05-01 |
|
| 19 |
Nicholas Scott H. |
Please See Remarks |
55,151 |
2018-11-01 |
|
| 20 |
D'ercole Ronald |
SVP, Global Quality |
54,995 |
2018-10-30 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Johnson Samuel Williams |
SVP, Services Business |
Tax Withholding of RSU |
1,476 |
$62.18 |
$91.78K |
| 2026-03-23 |
Wunar Robert Anthony |
Officer |
Unknown |
- |
- |
- |
| 2026-02-27 |
Granger Clarence L |
Director |
Gift (Given) |
6,000 |
- |
- |
| 2025-12-03 |
Ibnale David T |
Director |
Informative Sell |
23,500 |
$26.63 |
$625.75K |
| 2025-12-02 |
Granger Clarence L |
Director |
Gift (Given) |
1,000 |
- |
- |
| 2025-11-25 |
Granger Clarence L |
Director |
Gift (Given) |
3,000 |
- |
- |
| 2025-09-26 |
Xiao Jinsong |
Chief Executive Officer |
RSU Award |
117,948 |
- |
- |
| 2025-09-02 |
Xiao Jinsong |
Officer |
Unknown |
- |
- |
- |
| 2025-09-12 |
Granger Clarence L |
Director |
Tax Withholding of RSU |
9,938 |
$25.23 |
$250.74K |
| 2025-08-15 |
Johnson Samuel Williams |
SVP, Services Business |
Unknown |
- |
- |
- |
| 2025-06-30 |
Bajwa Harjinder |
Chief Operating Officer |
Tax Withholding of RSU |
4,534 |
$22.57 |
$102.33K |
| 2025-06-30 |
Harding Brian E |
Chief Accounting Officer |
Tax Withholding of RSU |
4,198 |
$22.57 |
$94.75K |
| 2025-06-06 |
Cho Paul Yoonku |
General Counsel and Secretary |
Informative Sell |
4,084 |
$21.06 |
$86.01K |
| 2025-06-04 |
Mckibben Jeffrey L. |
Chief Information Officer |
Informative Sell |
6,294 |
$20.87 |
$131.36K |
| 2025-05-21 |
Solomon Joanne |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Edman Thomas T |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Seto Jacqueline A. |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Ibnale David T |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Granger Clarence L |
Interim CEO |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Liggett Emily M |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-21 |
Maddock Ernest E |
Director |
RSU Award |
8,198 |
- |
- |
| 2025-05-06 |
Palfrey Jamie J. |
SVP, Global Human Resources |
Informative Sell |
9,500 |
$19.20 |
$182.37K |
| 2025-04-30 |
Cook Christopher S |
President, Products Division |
Tax Withholding of RSU |
2,550 |
$18.71 |
$47.71K |
| 2025-04-30 |
Palfrey Jamie J. |
SVP, Global Human Resources |
Tax Withholding of RSU |
666 |
$18.71 |
$12.46K |
| 2025-04-30 |
Mckibben Jeffrey L. |
Chief Information Officer |
Tax Withholding of RSU |
1,298 |
$18.71 |
$24.29K |
