Paul Yoonku Cho
General Counsel and Secretary · Ultra Clean Holdings, Inc.
- 2025
- Jun 4, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Paul Yoonku Cho 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
- Christopher S. Cook - $1.75M 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
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Frequently asked questions
Who is Paul Yoonku Cho?
Paul Yoonku Cho is a corporate insider, tracked as General Counsel and Secretary of Ultra Clean Holdings, Inc. (UCTT). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Paul Yoonku Cho last file a Form 4?
The most recent primary Form 4 on record is dated 4 June 2026, one of 8 filings going back to 2025.
Has Paul Yoonku Cho been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($344K) across all tracked filings.
