---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-22-007126"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2022-04-27T23:59:59+00:00"
generated_at: "2026-06-26T03:58:34.395698+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q1 revenue $564M, down 8% QoQ; GAAP EPS $0.61, non-GAAP $0.95; guides Q2 $0.84-$1.20

## Summary
- Total revenue $564.1M (Products $486.8M, Services $77.3M), down from $615.1M in Q4 2021.
- GAAP net income $27.9M ($0.61 diluted EPS) vs $45.5M ($1.00) prior quarter; non-GAAP net income $43.3M ($0.95 diluted).
- GAAP gross margin 20.2%, operating margin 8.1%; non-GAAP gross margin 20.5%, operating margin 10.9%.
- Q2 2022 outlook: revenue $550M-$630M, GAAP diluted EPS $0.60-$0.92, non-GAAP diluted EPS $0.84-$1.20.
- CEO cites robust secular demand but challenges impacted Q1 results; company focused on quality commitment.

## SEC filing metadata
- accession: 0000950103-22-007126
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2022-04-27T23:59:59+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/1275014/000095010322007126/0000950103-22-007126-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095010322007126/dp171761_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-22-007126
- JSON: https://secwatch.observer/filing/0000950103-22-007126.json
- Plain text: https://secwatch.observer/filing/0000950103-22-007126.txt

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