---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-26-002636"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2026-02-25T23:59:59+00:00"
generated_at: "2026-05-16T00:08:50.030823+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean proposes $400M convertible notes due 2031; to repurchase up to $40M stock

## Summary
- Offering of $400M aggregate principal amount of convertible senior notes due 2031, plus $60M greenshoe option.
- Notes will mature March 15, 2031; settle conversions in cash and possibly shares; redeemable after March 20, 2029.
- Net proceeds to fund capped call transactions, repurchase up to $40M of common stock, prepay term loan, and working capital.
- Anticipated amendment to credit agreement to temporarily increase max consolidated total gross leverage ratio to 6.00x.
- Capped call transactions expected to reduce potential dilution upon conversion or offset cash payments above principal.

## SEC filing metadata
- accession: 0000950103-26-002636
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2026-02-25T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000095010326002636/0000950103-26-002636-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095010326002636/dp242108_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-26-002636
- JSON: https://secwatch.observer/filing/0000950103-26-002636.json
- Plain text: https://secwatch.observer/filing/0000950103-26-002636.txt

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