---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-056735"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2025-03-18T23:59:59+00:00"
generated_at: "2026-05-24T12:59:26.664464+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ON Semi approves $600M-$700M non-cash impairment charge on manufacturing assets

## Summary
- Pre-tax non-cash impairment charges of $600M-$700M for long-lived manufacturing equipment at certain facilities.
- Impairment driven by held-for-sale accounting guidance as part of restructuring plan announced Feb 24, 2025.
- Charges are expected to reduce 2025 depreciation expense by $30M-$35M.
- Most charges will be incurred in Q1 and Q2 2025 with no material future cash expenditures.
- Management aligned internal manufacturing capacity with anticipated long-term needs.

## SEC filing metadata
- accession: 0001193125-25-056735
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2025-03-18T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.06
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/0001193125-25-056735-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/d922410d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-056735
- JSON: https://secwatch.observer/filing/0001193125-25-056735.json
- Plain text: https://secwatch.observer/filing/0001193125-25-056735.txt

## Key facts
- Restructurings & Charges
  ON SEMICONDUCTOR CORP announced a impairment with charges of pre-tax non-cash impairment charges of between $600 million and $700 million affecting certain onsemi manufacturing facilities.
  - Type: impairment
  - Charge: pre-tax non-cash impairment charges of between $600 million and $700 million
  - Affected area: certain onsemi manufacturing facilities
  source text: On March 17, 2025, as part of the restructuring plan and cost reduction initiatives previously announced on February 24, 2025, management of ON Semiconductor Corporation (the “ Company ” or “ we ” and, together with its subsidiaries, “ onsemi ”) approved the recognition of pre-tax non-cash impairment charges of between $600 million and $700 million. These impairment charges are for long-lived assets relating to investments in manufacturing equipment at certain onsemi manufacturing facilities pursuant to held-for-sale accounting guidance.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/0001193125-25-056735-index.htm

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