Ultra Clean (UCTT) insider trading
16 directors and officers declare holding shares of Ultra Clean (UCTT), each in their own filing with the SEC. The largest is Jinsong Xiao (Chief Executive Officer) with 129,935 shares, 0.29% of the company, worth $8.9M at the last close. The most recent move on file: Jinsong Xiao sold 19,188 shares at $81.06 on Sep 30, 2026. Of the 16 with a trade on file, 11 last bought and 5 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Jinsong Xiao | Chief Executive Officer | 129,935 | 0.29% | $8.9M | sold 19,188 shares at $81.06 on Sep 30, 2026 | Sep 30, 2026 |
| Christopher S. Cook | President, Products Division | 102,226 | 0.23% | $7.0M | sold 12,497 shares at $67.83 on Aug 31, 2026 | Aug 31, 2026 |
| Clarence L. Granger | Director | 85,392 | 0.19% | $5.9M | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| Ernest E. Maddock | Director | 58,816 | 0.13% | $4.0M | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| Thomas T. Edman | Director | 48,616 | 0.11% | $3.3M | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| David T. Ibnale | Director | 47,816 | 0.11% | $3.3M | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| Emily M. Liggett | Director | 38,152 | 0.08% | $2.6M | sold 8,198 shares at $92.18 on May 27, 2026 | May 27, 2026 |
| Brian E. Harding | Chief Accounting Officer | 33,581 | 0.07% | $2.3M | sold 3,837 shares at $126.92 on Jul 2, 2026 | Jul 2, 2026 |
| Jacqueline A. Seto | Director | 31,525 | 0.07% | $2.2M | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| Jamie J. Palfrey | SVP, Global Human Resources | 26,343 | 0.06% | $1.8M | bought 9,897 shares on May 22, 2026 | May 22, 2026 |
| Paul Yoonku Cho | General Counsel and Secretary | 22,941 | 0.05% | $1.6M | sold 944 shares at $89.37 on Jun 2, 2026 | Jun 2, 2026 |
| Michael Dennis Keogh | Chief Financial Officer | 20,917 | 0.05% | $1.4M | bought 20,917 shares on Aug 31, 2026 | Aug 31, 2026 |
| Jeffrey L. McKibben | Chief Information Officer | 17,245 | 0.04% | $1.2M | bought 5,896 shares on May 22, 2026 | May 22, 2026 |
| Samuel Williams Johnson | SVP, Services Business | 16,436 | 0.04% | $1.1M | bought 5,567 shares on May 22, 2026 | May 22, 2026 |
| Joanne Solomon | Director | 12,083 | 0.03% | $829,618.78 | bought 2,575 shares on May 22, 2026 | May 22, 2026 |
| Robert Anthony Wunar | Chief Operating Officer | 10,732 | 0.02% | $736,859.12 | bought 10,732 shares on May 22, 2026 | May 22, 2026 |
Each insider at Ultra Clean
- Jinsong Xiao — Chief Executive Officer
- Christopher S. Cook — President, Products Division
- Clarence L. Granger — Director
- Ernest E. Maddock — Director
- Thomas T. Edman — Director
- David T. Ibnale — Director
- Emily M. Liggett — Director
- Brian E. Harding — Chief Accounting Officer
- Jacqueline A. Seto — Director
- Jamie J. Palfrey — SVP, Global Human Resources
- Paul Yoonku Cho — General Counsel and Secretary
- Michael Dennis Keogh — Chief Financial Officer
No longer filing
- Sheri Savage — CFO
- Harjinder Bajwa — Chief Operating Officer
- Bill Bentinck — President, Services Business
- James P. Scholhamer — CEO · Director
What insiders bought and sold across AI stocks · All filings on sec.gov