---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-035144"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2023-07-27T23:59:59+00:00"
generated_at: "2026-06-12T23:49:09.838453+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q2 revenue $421.5M, net loss $9.4M; Q3 guidance weak

## Summary
- Q2 revenue $421.5M (Products $362.5M, Services $59.0M), down from $433.3M prior quarter.
- GAAP net loss $9.4M ($0.21 loss per diluted share), widened from prior quarter loss of $3.4M ($0.08).
- Non-GAAP net income $7.1M ($0.16 EPS), down from $7.6M ($0.17) prior quarter.
- Q3 revenue guidance $405M-$455M; GAAP EPS ($0.19)-$0.04; non-GAAP EPS $0.08-$0.28.
- CEO cites semiconductor industry headwinds; cost reduction initiatives in place.

## SEC filing metadata
- accession: 0000950170-23-035144
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2023-07-27T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000095017023035144/0000950170-23-035144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095017023035144/uctt-20230727.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-035144
- JSON: https://secwatch.observer/filing/0000950170-23-035144.json
- Plain text: https://secwatch.observer/filing/0000950170-23-035144.txt

## Key facts
- Earnings Releases
  Ultra Clean Holdings, Inc. reported second quarter ended June 30, 2023 results: revenue $421.5 million, net income $(9.4) million, EPS $(0.21) per diluted share. Guidance initiated.
  - Period: second quarter ended June 30, 2023
  - Revenue: $421.5 million
  - Net income: $(9.4) million
  - EPS: $(0.21) per diluted share
  - Guidance: initiated
  - Result: reported results
  source text: Total revenue was $421.5 million. Products contributed $362.5 million and Services added $59.0 million. Total gross margin was 16.2%, operating margin was 3.0%, and net loss was $(9.4) million or $(0.21) per diluted share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000095017023035144/0000950170-23-035144-index.htm

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