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Insider ActivityUCTT
Cho Paul Yoonku, General Counsel and Secretary at Ultra Clean Holdings, Inc., sold $174K of UCTT
Updated Jun 13, 2026
Cho Paul Yoonku
General Counsel and Secretary
Ultra Clean Holdings, Inc. ·
$UCTT
Transaction Details
| Insider | Cho Paul Yoonku |
|---|---|
| Title | General Counsel and Secretary |
| Company | Ultra Clean Holdings, Inc. |
| Ticker | UCTT |
| Transaction Type | Sale |
| Transaction Date | 2026-05-08 |
| Shares Traded | 2,000 |
| Price Per Share | $86.8901 |
| Total Value | $174K |
| Filed Date | 2026-05-12 |
| Accession Number | 0000950103-26-007117 |
Ownership Context
| Shares Owned After Transaction | 15,844 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0000950103-26-007117
Other Insider Trades — UCTT
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| HARDING BRIAN E | Chief Accounting Officer | sold | $79K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $43K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $106K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $172K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $170K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $58K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $17K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $126K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $103K | 2026-06-04 |
| HARDING BRIAN E | Chief Accounting Officer | sold | $116K | 2026-06-04 |
Other Trades by Cho Paul Yoonku
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| UCTT | Ultra Clean Holdings, Inc. | sold | $84K | 2026-06-02 |
| UCTT | Ultra Clean Holdings, Inc. | traded | — | 2026-05-22 |
| UCTT | Ultra Clean Holdings, Inc. | traded | $124K | 2026-04-30 |
| UCTT | Ultra Clean Holdings, Inc. | traded | $114K | 2026-04-30 |
| UCTT | Ultra Clean Holdings, Inc. | traded | $192K | 2026-04-30 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for UCTT — Ultra Clean Holdings, Inc. →
Whisper Score — UCTT
20.44
Murmurs
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 13, 2026 at 07:11 UTC