Form4insider filings, from the source

SEC Form 4 · accession 0000950103-26-013530

Ultra Clean Holdings, Inc. · UCTT

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Christopher S Cook
Officer — President, Products Division
Period of report
Aug 31, 2026
Accepted (ET)
Sep 2, 2026 · 8:36 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001275014

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Aug 31, 2026F12,497$67.83D98,126D
Common Stockholding———4,100Iby Trust

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses