AI brief of an SEC Form 8-K · Ultra Clean Holdings (UCTT)

Ultra Clean Holds Names Robert Wunar Chief Operating Officer, Replacing Harjinder Bajwa

Neutral Impact 4 of 5 leadership Written later

Ultra Clean Holdings terminated Chief Operating Officer Harjinder Bajwa effective immediately on January 25, 2026, and named Robert Wunar as its new COO, effective March 23, 2026. Wunar previously spent years in operations roles at Applied Materials, most recently as Managing Director of Business Unit Operations through January 2026.

Key points

  • Harjinder Bajwa's employment as COO was terminated effective immediately on January 25, 2026; he will receive severance under the company's executive severance policy.
  • Robert Wunar, 58, was appointed COO by the Board on January 25, 2026, with a start date of March 23, 2026.
  • Wunar's salary is $475,000 per year, with a target bonus of 85% of base salary and a $200,000 sign-on bonus subject to clawback within 12 months.
  • Wunar's equity award has a grant date value of $1,500,000, subject to shareholder approval at the next annual meeting.

The filing

CompanyUltra Clean Holdings (UCTT)
Form8-K, current report
Filed with the SECJan 28, 2026, 7:36 AM ET
Accession number0001628280-26-003715

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:54 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 28, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.