Paul Yoonku Cho
Paul Yoonku Cho: General Counsel and Secretary at Ultra Clean. What Paul Yoonku Cho holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Ultra Clean (UCTT)
Paul Yoonku Cho holds 22,941 Ultra Clean shares (0.05% of the company), worth about $1.5M at the last price, according to the Form 4 of Jun 2, 2026.
- Shares held: 22,941 (0.05%), $1.5M — Held in their own name.
Declarations
- Ultra Clean (UCTT) — Form 4 of Jun 2, 2026 (General Counsel and Secretary): open-market sale of 944 at $89.37; 22,941 shares after 0000950103-26-008550
- Ultra Clean (UCTT) — Form 4 of May 22, 2026 (General Counsel and Secretary): grant or award of 8,041; 23,885 shares after 0000950103-26-007862
- Ultra Clean (UCTT) — Form 4 of May 8, 2026 (General Counsel and Secretary): open-market sale of 2,000 at $86.89; 15,844 shares after 0000950103-26-007117
- Ultra Clean (UCTT) — Form 4 of Apr 30, 2026 (General Counsel and Secretary): shares withheld for tax of 1,582 at $78.15; shares withheld for tax of 1,465 at $78.15; 17,844 shares after 0000950103-26-006809
- Ultra Clean (UCTT) — Form 4 of Jun 6, 2025 (General Counsel and Secretary): open-market sale of 4,084 at $21.06; 23,345 shares after 0000950103-25-007239
- Ultra Clean (UCTT) — Form 4 of Apr 30, 2025 (General Counsel and Secretary): shares withheld for tax of 1,579 at $18.71; shares withheld for tax of 1,462 at $18.71; 27,429 shares after 0000950103-25-005714
- Ultra Clean (UCTT) — Form 4 of Apr 25, 2025 (General Counsel and Secretary): grant or award of 14,472; 31,465 shares after 0000950103-25-005453
- Ultra Clean (UCTT) — Form 4 of Mar 31, 2025 (General Counsel and Secretary): shares withheld for tax of 173 at $21.41; 16,993 shares after 0000950103-25-004328
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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