CHO PAUL YOONKU

PrivateCIK: 1791106
Location

HAYWARD, CA

Senior insider sale

General Counsel and Secretary at ULTRA CLEAN HOLDINGS, INC. — senior position signals high conviction

$173.8K

2K shares

What this filing means

CHO PAUL YOONKU plans to sell 2K shares of ULTRA CLEAN HOLDINGS, INC. valued at approximately $173.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderCHO PAUL YOONKUCIK 1791106
Officer· General Counsel and Secretary
Since Oct 2019
2K
Shares to sell
$173.8K
Approx. market value
2K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Sort

Restricted Stock

Not Applicable

4/30/2026
472.00

Restricted Stock

Not Applicable

4/30/2026
1.53K
Total acquired2K
Planned & Completed Dispositions1
Sort
NASDAQPlanned

Units to sell

2K

Market value

$173.8K

5/8/2026
Total

Units

2K

Value

$173.8K

CHO PAUL YOONKU — Planned Insider Sale (Form 144) | Finecho