---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-014811"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T11:56:17.151701+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q1 revenue $433.3M, net loss $3.4M; Q2 guidance $410-460M

## Summary
- Q1 revenue of $433.3M, down 23.5% from $566.4M prior quarter; net loss $(3.4)M vs prior net income $27.8M.
- GAAP diluted EPS of $(0.08) vs $0.61 in prior quarter; non-GAAP diluted EPS $0.17 vs $0.93.
- Products revenue $368.6M, Services $64.7M; gross margin 16.8% GAAP (17.3% non-GAAP) vs 19.2% prior.
- Q2 2023 revenue guidance $410-460M; GAAP EPS range $(0.08)-$0.10; non-GAAP EPS $0.15-$0.35.
- CEO cites market uncertainty, limited visibility; cost initiatives taking time to improve bottom line.

## SEC filing metadata
- accession: 0000950170-23-014811
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000095017023014811/0000950170-23-014811-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095017023014811/uctt-20230426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-014811
- JSON: https://secwatch.observer/filing/0000950170-23-014811.json
- Plain text: https://secwatch.observer/filing/0000950170-23-014811.txt

## Key facts
- Earnings Releases
  Ultra Clean Holdings, Inc. reported first quarter ended March 31, 2023 results: revenue $433.3 million, net income net loss of $(3.4) million, EPS $(0.08) per diluted share.
  - Period: first quarter ended March 31, 2023
  - Revenue: $433.3 million
  - Net income: net loss of $(3.4) million
  - EPS: $(0.08) per diluted share
  - Result: reported results
  source text: our customers on their long-term strategic projects to ensure greater success when the industry once again expands.” First Quarter 2023 GAAP Financial Results Total revenue was $433.3 million. Products contributed $368.6 million and Services added $64.7 million. Total gross margin was 16.8%, operating margin was 2.9%, and net loss was $(3.4) million or $(0.08) per
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000095017023014811/0000950170-23-014811-index.htm

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