---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-027952"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2026-04-28T23:59:59+00:00"
generated_at: "2026-05-15T02:46:25.737897+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.78
calibrated_materiality_score: 0.78
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q1 revenue $533.7M beats midpoint; guides Q2 rev $565-605M

## Summary
- Q1 GAAP net loss $(17.9)M ($(0.40)/diluted); non-GAAP net income $14.5M ($0.31/diluted).
- Total revenue $533.7M, up ~5% sequentially from $506.6M in Q4 2025.
- GAAP gross margin 15.8% vs 15.2% prior; non-GAAP gross margin 16.5% vs 16.1%.
- Q2 revenue guidance $565M-$605M; GAAP EPS $0.20-$0.36; non-GAAP EPS $0.44-$0.60.
- CEO says customers' accelerated tech roadmaps support early stages of AI-driven expansion.

## SEC filing metadata
- accession: 0001628280-26-027952
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2026-04-28T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.78
- calibrated_materiality_score: 0.78
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000162828026027952/0001628280-26-027952-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000162828026027952/uctt-20260428.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-027952
- JSON: https://secwatch.observer/filing/0001628280-26-027952.json
- Plain text: https://secwatch.observer/filing/0001628280-26-027952.txt

## Key facts
- Earnings Releases
  Ultra Clean Holdings, Inc. reported the first quarter ended March 27, 2026 results: revenue $533.7 million, net income net loss was $(17.9) million or $(0.40) per diluted share, EPS $(0.40) per diluted share. Guidance initiated.
  - Period: the first quarter ended March 27, 2026
  - Revenue: $533.7 million
  - Net income: net loss was $(17.9) million or $(0.40) per diluted share
  - EPS: $(0.40) per diluted share
  - Guidance: initiated
  - Result: reported results
  source text: driving efficiencies across our global footprint positions us well to deliver sustained growth over the long-term.” First Quarter 2026 GAAP Financial Results Total revenue was $533.7 million. Products contributed $465.7 million and Services added $68.0 million. Total gross margin was 15.8%, operating margin was 2.1%, and net loss was $(17.9) million or $(0.40) per
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000162828026027952/0001628280-26-027952-index.htm

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