Ultra Clean Holdings, Inc. (UCTT) Insider Trading
Over the last 3 months, UCTT insiders made 0 open-market buys and 67 sales, a net sale of -$4.5M (SEC Form 4). Over the last 6 months, 191 institutions increased and 247 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
67
Net (3m)
-$4.5M
Insider trades by month Buys Sells
May
Jun
Dec
May
Jun
Jul
Context3-month price -29.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 2, 2026 | Cook Christopher Sofficer: President, Products Division | Tax | 12,497 | $67.83 |
| Jul 7, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Sell | 1,203 | $130.12 |
| Jul 7, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Sell | 440 | $126.92 |
| Jul 7, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Sell | 2,194 | $128.37 |
| Jun 30, 2026 | HARDING BRIAN Eofficer: Chief Accounting Officer | Grant | 9,363 | — |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 907 | $88.75 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 91 | $91.63 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 1,429 | $88.16 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 688 | $89.78 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 321 | $88.80 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 358 | $91.03 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 784 | $91.63 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 171 | $91.68 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 852 | $89.95 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 157 | $89.59 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 446 | $89.73 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 763 | $90.86 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 1,570 | $87.59 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 1,070 | $88.69 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 120 | $87.43 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 18 | $91.76 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 972 | $90.89 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 488 | $87.07 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 600 | $87.37 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 2,894 | $90.79 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 419 | $88.73 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 50 | $86.00 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 988 | $88.29 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 396 | $87.24 |
| Jun 9, 2026 | Savage Sheriofficer: CFO | Sell | 96 | $85.54 |
Source: UCTT SEC Form 4 filings, latest Sep 2, 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
191
New positions
265
Reduced
247
Sold out
32
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 6.9M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 6.8M | May 13, 2026 |
| Invesco Ltd. | Increased | 3.1M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.8M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 2.8M | Aug 13, 2026 |
| Capital World Investors | New Position | 2.6M | Aug 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2.2M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 2.2M | Aug 14, 2026 |
| TORONTO DOMINION BANK | Increased | 2.1M | May 15, 2026 |
| TORONTO DOMINION BANK | Reduced | 2.1M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.9M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 1.9M | Aug 13, 2026 |
| STATE STREET CORP | Reduced | 1.8M | May 15, 2026 |
| STATE STREET CORP | Reduced | 1.8M | Aug 7, 2026 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | Reduced | 1.8M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.