Christopher S. Cook
President, Products Division · Ultra Clean Holdings, Inc.
- 2025
- Sep 3, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Christopher S. Cook files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Brian E. Harding - $2.33M in UCTT purchases and sales in the last 12 months
- Clarence L. Granger - $2.26M in UCTT purchases and sales in the last 12 months
- Sheri Savage - $1.29M in UCTT purchases and sales in the last 12 months
- Emily M. Liggett - $756K in UCTT purchases and sales in the last 12 months
- Jamie J. Palfrey - $693K in UCTT purchases and sales in the last 12 months
- David T. Ibnale - $626K in UCTT purchases and sales in the last 12 months
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Frequently asked questions
Who is Christopher S. Cook?
Christopher S. Cook is a corporate insider, tracked as President, Products Division of Ultra Clean Holdings, Inc. (UCTT). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Christopher S. Cook submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Christopher S. Cook been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.75M) across all tracked filings.
