Jeffrey L. McKibben

Jeffrey L. McKibben: Chief Information Officer at Ultra Clean. What Jeffrey L. McKibben 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)

Jeffrey L. McKibben holds 17,245 Ultra Clean shares (0.04% of the company), worth about $888,462.40 at the last price, according to the Form 4 of May 22, 2026.

• Shares held: 17,245 (0.04%), $888,462.40 — Held in their own name.

Declarations

• Ultra Clean (UCTT) — Form 4 of May 22, 2026 (Chief Information Officer): grant or award of 5,896; 17,245 shares after 0000950103-26-007859
• Ultra Clean (UCTT) — Form 4 of May 14, 2026 (Chief Information Officer): open-market sale of 4,205 at $87.00; 11,349 shares after 0000950103-26-007351
• Ultra Clean (UCTT) — Form 4 of May 8, 2026 (Chief Information Officer): open-market sale of 2,500 at $86.48; 15,554 shares after 0000950103-26-007116
• Ultra Clean (UCTT) — Form 4 of Apr 30, 2026 (Chief Information Officer): shares withheld for tax of 964 at $78.15; shares withheld for tax of 1,302 at $78.15; 18,054 shares after 0000950103-26-006810
• Ultra Clean (UCTT) — Form 4 of Jun 4, 2025 (Chief Information Officer): open-market sale of 6,294 at $20.87; 21,996 shares after 0000950103-25-007122
• Ultra Clean (UCTT) — Form 4 of Apr 30, 2025 (Chief Information Officer): shares withheld for tax of 962 at $18.71; shares withheld for tax of 991 at $18.71; 28,290 shares after 0000950103-25-005715
• Ultra Clean (UCTT) — Form 4 of Apr 25, 2025 (Chief Information Officer): grant or award of 12,988; 31,541 shares after 0000950103-25-005451
• Ultra Clean (UCTT) — Form 4 of Dec 31, 2024 (Chief Information Officer): shares withheld for tax of 252 at $35.95; 18,553 shares after 0000950103-25-000158
• Ultra Clean (UCTT) — Form 4 of Nov 7, 2024 (Chief Information Officer): open-market sale of 3,422 at $38.20; 18,805 shares after 0000950103-24-016205
• Ultra Clean (UCTT) — Form 4 of Aug 31, 2024 (Chief Information Officer): shares withheld for tax of 1,898 at $37.70; 22,227 shares after 0000950103-24-013196

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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