---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-004405"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2026-02-09T23:59:59+00:00"
generated_at: "2026-05-16T03:48:54.550614+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ON Semiconductor Q4 revenue $1.53B, down 11% YoY; GAAP EPS $0.45

## Summary
- Revenue $1.53B in Q4, down 11% YoY; full year revenue $5.995B, down 15% from 2024.
- Q4 GAAP gross margin 36.0%, non-GAAP 38.2%; GAAP EPS $0.45, non-GAAP EPS $0.64.
- FY2025 cash from ops $1.8B, free cash flow $1.4B (record 24% margin), returned 100% to shareholders via buybacks.
- New $6B share repurchase program authorized over three years.
- Q1 2026 guidance: revenue $1.435-1.535B, non-GAAP EPS $0.56-0.66.

## SEC filing metadata
- accession: 0001140361-26-004405
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2026-02-09T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1097864/000114036126004405/0001140361-26-004405-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000114036126004405/ef20065070_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-004405
- JSON: https://secwatch.observer/filing/0001140361-26-004405.json
- Plain text: https://secwatch.observer/filing/0001140361-26-004405.txt

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