---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-26-002821"
form_type: "8-K"
ticker: "UCTT"
cik: "0001275014"
company_name: "Ultra Clean Holdings, Inc."
filed_at: "2026-02-27T23:59:59+00:00"
generated_at: "2026-05-15T22:59:24.920535+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ultra Clean prices upsized $525M 0% convertible notes due 2031; amends credit agreement

## Summary
- Priced $525M (upsized from $400M) of 0.00% convertible senior notes due 2031; initial purchasers option for additional $75M.
- Net proceeds ~$511.1M; $40M to repurchase 672,608 shares at $59.47, $21.9M for capped call costs, remainder for working capital/term loan prepayment.
- Initial conversion price ~$84.75/share (42.5% premium over $59.47); cap price $104.0725 (75% premium).
- Credit agreement amended to increase max consolidated total gross leverage ratio to 6.00:1.00 for Q1 and Q2 2026.
- Settlement expected March 3, 2026; capped call transactions reduce potential dilution upon conversion.

## SEC filing metadata
- accession: 0000950103-26-002821
- form_type: 8-K
- ticker: UCTT
- cik: 0001275014
- company_name: Ultra Clean Holdings, Inc.
- filed_at: 2026-02-27T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000095010326002821/0000950103-26-002821-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275014/000095010326002821/dp242232_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-26-002821
- JSON: https://secwatch.observer/filing/0000950103-26-002821.json
- Plain text: https://secwatch.observer/filing/0000950103-26-002821.txt

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