---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-010607"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2026-02-23T23:59:59+00:00"
generated_at: "2026-05-16T01:05:20.743997+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q4 revenue $506.6M, GAAP loss $3.3M; FY2025 includes $151.1M goodwill impairment

## Summary
- Q4 GAAP revenue $506.6M, net loss $(3.3)M or $(0.07) EPS; non-GAAP net income $10.0M or $0.22 EPS.
- FY2025 revenue $2,054.0M, GAAP net loss $(181.2)M ($4.00 loss per share), including $151.1M goodwill impairment.
- Non-GAAP FY2025 net income $47.7M ($1.05 EPS) vs $65.2M ($1.44 EPS) in prior year.
- Q1 2026 guidance: revenue $505M-$545M, GAAP EPS $(0.13)-$0.03, non-GAAP EPS $0.18-$0.34.
- CEO cites AI momentum and ramp-readiness to support multi-year customer growth.

## SEC filing metadata
- accession: 0001628280-26-010607
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2026-02-23T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000162828026010607/0001628280-26-010607-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000162828026010607/uctt-20260223.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-010607
- JSON: https://secwatch.observer/filing/0001628280-26-010607.json
- Plain text: https://secwatch.observer/filing/0001628280-26-010607.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.