Cook Christopher S

President, Products Division

Cook Christopher S has filed 5 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.

On the most recent filing, Cook Christopher S is listed as President, Products Division at Ultra Clean Holdings, Inc. Inside the rolling window, Cook Christopher S reported no open-market purchases and 2 open-market sales totaling $1.7M in UCTT. The largest disclosed transaction in the window is a sale of 11,903 UCTT shares on Apr 30, 2026, worth $896K.

Companies traded

Other insiders at UCTT

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$1.7M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
UCTTSale$849KMay 6SEC ↗
UCTTSale$896KMay 5SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Cook Christopher S made?

Cook Christopher S has filed 5 SEC Form 4 filings (9 transaction rows) across 1 company since 2025.

Which companies does Cook Christopher S trade?

Cook Christopher S has filed SEC Form 4 disclosures for 1 company, including UCTT.

When was Cook Christopher S's most recent SEC Form 4 filing?

Cook Christopher S's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.

What is Cook Christopher S's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Cook Christopher S is listed as President, Products Division.

What is Cook Christopher S's total buy and sell value in the current window?

Inside the rolling retention window, Cook Christopher S bought $0 and sold $1.7M based on SEC Form 4 filings.

What was Cook Christopher S's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 11,903 UCTT shares on 2026-04-30, worth $896K, per SEC Form 4 filings.