COOK CHRISTOPHER S

PrivateCIK: 1927266
Location

HAYWARD, CA

Senior insider sale

President, Products Div at ULTRA CLEAN HOLDINGS, INC. — senior position signals high conviction

$1.75M

23.38K shares

What this filing means

COOK CHRISTOPHER S plans to sell 23.38K shares of ULTRA CLEAN HOLDINGS, INC. valued at approximately $1.75M. 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.

InsiderCOOK CHRISTOPHER SCIK 1927266
Officer· President, Products Div
Since Apr 2022
23.38K
Shares to sell
$1.75M
Approx. market value
11.48K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months3
Sort

Restricted Stock

Not Applicable

4/30/2026
3.06K

Restricted Stock

Not Applicable

4/30/2026
5.10K

Restricted Stock

Not Applicable

4/30/2026
3.33K
Total acquired11.48K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

11.90K

Market value

$896.5K

5/1/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

11.48K

Market value

$848.9K

5/4/2026
Total

Units

23.38K

Value

$1.75M

COOK CHRISTOPHER S — Planned Insider Sale (Form 144) | Finecho