---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-019416"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2026-05-07T23:59:59+00:00"
generated_at: "2026-05-14T21:23:46.158042+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# onsemi prices $1.3B 0% convertible senior notes due 2031; concurrent $332M share buyback

## Summary
- Priced $1.3B aggregate principal of 0% Convertible Senior Notes due 2031; initial purchasers option for additional $200M.
- Initial conversion price ~$161.30/share, a 52.5% premium over May 6 close of $105.77.
- Net proceeds ~$1,276.4M ($1,472.9M if option exercised); $61.2M for convertible note hedges, $331.9M to repurchase ~3.1M shares.
- Entered separate convertible note hedge and warrant transactions to offset potential dilution; warrant strike at $211.54/share.
- Closing expected May 11, 2026; notes mature May 1, 2031, subject to customary conditions.

## SEC filing metadata
- accession: 0001140361-26-019416
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2026-05-07T23:59:59+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/1097864/000114036126019416/0001140361-26-019416-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000114036126019416/ef20072662_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-019416
- JSON: https://secwatch.observer/filing/0001140361-26-019416.json
- Plain text: https://secwatch.observer/filing/0001140361-26-019416.txt

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