Jinsong Xiao
Jinsong Xiao: Chief Executive Officer at Ultra Clean. What Jinsong Xiao 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)
Jinsong Xiao holds 129,935 Ultra Clean shares (0.29% of the company), worth about $9.6M at the last price, according to the Form 4 of Sep 30, 2026.
- Shares held: 129,935 (0.29%), $9.6M — Held in their own name.
Declarations
- Ultra Clean (UCTT) — Form 4 of Sep 30, 2026 (Chief Executive Officer): shares withheld for tax of 19,188 at $81.06; 129,935 shares after 0000950103-26-015166
- Ultra Clean (UCTT) — Form 4 of May 22, 2026 (Chief Executive Officer): grant or award of 31,175; 149,123 shares after 0000950103-26-007861
- Ultra Clean (UCTT) — Form 4 of Sep 26, 2025 (Chief Executive Officer): grant or award of 117,948; 117,948 shares after 0000950103-25-012608
- Ultra Clean (UCTT) — Form 3 of Sep 2, 2025 (Chief Executive Officer); 0 shares after 0000950103-25-011730
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.