---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-017963"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2024-02-21T23:59:59+00:00"
generated_at: "2026-06-05T21:44:52.217289+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean Q4 rev $444.8M, net loss $0.08/shr; FY23 rev down 27% to $1.73B

## Summary
- Q4 2023 revenue $444.8M, GAAP net loss $(3.8)M ($0.08 loss/shr); non-GAAP net income $8.5M ($0.19 EPS).
- FY 2023 revenue $1,734.5M, down 27% from $2,374.3M; GAAP net loss $(31.1)M vs prior year net income $40.4M.
- Generated $136M cash from ops; deployed $29M on share repurchases, $39M to reduce debt; closed HIS Innovations buy.
- Q1 2024 guidance: rev $430M-$480M; GAAP diluted loss/shr $(0.25)-$(0.05); non-GAAP EPS $0.03-$0.23.

## SEC filing metadata
- accession: 0000950170-24-017963
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2024-02-21T23:59:59+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/1275014/000095017024017963/0000950170-24-017963-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095017024017963/uctt-20240221.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-017963
- JSON: https://secwatch.observer/filing/0000950170-24-017963.json
- Plain text: https://secwatch.observer/filing/0000950170-24-017963.txt

## Key facts
- Earnings Releases
  Ultra Clean Holdings, Inc. reported fourth quarter ended December 29, 2023 results: revenue $444.8 million, net income $(3.8) million, EPS $(0.08) per diluted share.
  - Period: fourth quarter ended December 29, 2023
  - Revenue: $444.8 million
  - Net income: $(3.8) million
  - EPS: $(0.08) per diluted share
  - Result: reported results
  source text: in debt, spend $29 million re-purchasing shares, and complete the strategic acquisition of HIS Innovations Group.” Fourth Quarter 2023 GAAP Financial Results Total revenue was $444.8 million. Products contributed $389.7 million and Services added $55.1 million. Total gross margin was 16.0%, operating margin was 1.0%, and net loss was $(3.8) million or $(0.08) per
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000095017024017963/0000950170-24-017963-index.htm
- Earnings Releases
  Ultra Clean Holdings, Inc. updated its first quarter of 2024 guidance (initiated).
  - Period: first quarter of 2024
  - Guidance: initiated
  - Result: guidance update
  source text: The Company expects revenue in the range of $430.0 million to $480.0 million. The Company expects GAAP diluted net loss per share to be between $(0.25) and $(0.05) and non-GAAP diluted net income per share to be between $0.03 and $0.23.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000095017024017963/0000950170-24-017963-index.htm
- Earnings Releases
  Ultra Clean Holdings, Inc. reported fiscal year ended December 29, 2023 results: revenue $1,734.5 million, net income $(31.1) million, EPS $(0.70) per diluted share.
  - Period: fiscal year ended December 29, 2023
  - Revenue: $1,734.5 million
  - Net income: $(31.1) million
  - EPS: $(0.70) per diluted share
  - Result: reported results
  source text: of 15.5%, operating margin of 4.4%, and net income of $2.0 million or $0.04 per diluted share in the prior quarter. Full Year 2023 GAAP Financial Results Total revenue was $1,734.5 million. Products contributed $1,501.6 million and Services added $232.9 million. Total gross margin was 16.0%, operating margin was 2.0%, and net loss was $(31.1) million or $(0.70) per
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275014/000095017024017963/0000950170-24-017963-index.htm

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