---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-046810"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2025-10-28T23:59:59+00:00"
generated_at: "2026-05-17T01:53:02.253891+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q3 revenue $510M tops guidance; GAAP loss narrows; $150M buyback authorized

## Summary
- Q3 revenue $510M exceeded guidance midpoint; sequentially down slightly from $518.8M prior quarter.
- GAAP net loss $(10.9)M ($0.24 loss per diluted share) vs prior Q2 loss of $(162)M ($3.58).
- Non-GAAP net income $12.9M ($0.28/diluted) vs $12.1M ($0.27); gross margin 17.0%, highest of fiscal year.
- Q4 outlook: revenue $480-$530M, GAAP EPS $(0.11)-$0.09, non-GAAP EPS $0.11-$0.31.
- Board authorized $150M share repurchase program over three years; no expiration date set.

## SEC filing metadata
- accession: 0001628280-25-046810
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2025-10-28T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000162828025046810/0001628280-25-046810-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000162828025046810/uctt-20251023.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-046810
- JSON: https://secwatch.observer/filing/0001628280-25-046810.json
- Plain text: https://secwatch.observer/filing/0001628280-25-046810.txt

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