---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-019207"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:28:32.536576+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Onsemi launches $1.3B convertible notes offering; to repurchase up to $400M shares

## Summary
- Private offering of $1.3B convertible senior notes due 2031; initial purchasers have 13-day option for additional $200M.
- Up to $400M of common stock to be repurchased concurrently with pricing; remaining proceeds for general corporate and debt repayment.
- Notes are senior unsecured, guaranteed by certain subsidiaries, mature May 1, 2031; conversion settled in cash up to principal, excess in cash/shares.
- Convertible note hedge and warrant transactions to be entered with hedge counterparties to reduce potential dilution and offset cash payments.
- Hedge counterparties may purchase common stock or enter derivatives, potentially affecting stock price during and after offering.

## SEC filing metadata
- accession: 0001140361-26-019207
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1097864/000114036126019207/0001140361-26-019207-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000114036126019207/ef20066746_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-019207
- JSON: https://secwatch.observer/filing/0001140361-26-019207.json
- Plain text: https://secwatch.observer/filing/0001140361-26-019207.txt

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