Ultra Clean Holdings, Inc. (UCTT) Insider Trading
Over the last 3 months, UCTT insiders made 0 open-market buys and 14 sales, a net sale of -$6.6M (SEC Form 4). Over the last 6 months, 183 institutions increased and 174 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
14
Net (3m)
-$6.6M
Insider trades by month Buys Sells
Mar
May
Jun
Dec
May
Jun
Context3-month price +56.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Cho Paul Yoonkuofficer: General Counsel and Secretary | Sell | 944 | $89.37 |
| May 27, 2026 | LIGGETT EMILY Mdirector | Sell | 8,198 | $92.18 |
| May 27, 2026 | GRANGER CLARENCE Ldirector | Grant | 2,575 | — |
| May 27, 2026 | EDMAN THOMAS Tdirector | Grant | 2,575 | — |
| May 27, 2026 | Xiao Jinsongofficer: Chief Executive Officer | Grant | 31,175 | — |
| May 27, 2026 | Cook Christopher Sofficer: President, Products Division | Grant | 13,196 | — |
| May 27, 2026 | Johnson Samuel Williamsofficer: SVP, Services Business | Grant | 5,567 | — |
| May 27, 2026 | Savage Sheriofficer: CFO | Grant | 26,392 | — |
| May 27, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Grant | 8,412 | — |
| May 27, 2026 | Solomon Joannedirector | Grant | 2,575 | — |
| May 27, 2026 | Palfrey Jamie J.officer: SVP, Global Human Resources | Grant | 9,897 | — |
| May 27, 2026 | McKibben Jeffrey L.officer: Chief Information Officer | Grant | 5,896 | — |
| May 27, 2026 | Wunar Robert Anthonyofficer: Chief Operating Officer | Grant | 10,732 | — |
| May 27, 2026 | LIGGETT EMILY Mdirector | Grant | 2,575 | — |
| May 27, 2026 | IBNALE DAVID Tdirector | Grant | 2,575 | — |
| May 27, 2026 | Cho Paul Yoonkuofficer: General Counsel and Secretary | Grant | 8,041 | — |
| May 27, 2026 | MADDOCK ERNEST Edirector | Grant | 2,575 | — |
| May 27, 2026 | Seto Jacqueline A.director | Grant | 2,575 | — |
| May 18, 2026 | McKibben Jeffrey L.officer: Chief Information Officer | Sell | 4,205 | $87.00 |
| May 12, 2026 | McKibben Jeffrey L.officer: Chief Information Officer | Sell | 2,500 | $86.48 |
| May 12, 2026 | Cho Paul Yoonkuofficer: General Counsel and Secretary | Sell | 2,000 | $86.89 |
| May 7, 2026 | Palfrey Jamie J.officer: SVP, Global Human Resources | Sell | 8,691 | $79.72 |
| May 7, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Sell | 4,000 | $80.00 |
| May 6, 2026 | Cook Christopher Sofficer: President, Products Division | Sell | 10,247 | $73.89 |
| May 6, 2026 | Cook Christopher Sofficer: President, Products Division | Sell | 1,231 | $74.55 |
| May 5, 2026 | GRANGER CLARENCE Ldirector | Sell | 11,302 | $75.46 |
| May 5, 2026 | GRANGER CLARENCE Ldirector | Sell | 3,700 | $76.44 |
| May 5, 2026 | GRANGER CLARENCE Ldirector | Sell | 12,523 | $74.41 |
| May 5, 2026 | GRANGER CLARENCE Ldirector | Sell | 2,475 | $77.34 |
| May 4, 2026 | Savage Sheriofficer: CFO | Tax | 3,102 | $78.15 |
Source: UCTT SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their UCTT positions over the last 6 months (SEC Form 13F).
Increased
183
New positions
139
Reduced
174
Sold out
51
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 6.8M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 6.7M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 5.0M | Jan 29, 2026 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | Increased | 3.5M | Feb 17, 2026 |
| INVESCO LTD. | Increased | 3.4M | Feb 19, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.8M | May 8, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2.1M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.9M | May 15, 2026 |
| TORONTO DOMINION BANK | New Position | 1.9M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.9M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 1.8M | May 15, 2026 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | Reduced | 1.8M | May 15, 2026 |
| INVESCO LTD. | Reduced | 1.7M | May 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.5M | Feb 12, 2026 |
| BOSTON PARTNERS | New Position | 1.5M | May 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.