---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-042498"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2025-11-17T23:59:59+00:00"
generated_at: "2026-05-16T19:05:44.171463+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Onsemi announces additional $200M-$300M non-cash impairment charges on manufacturing assets

## Summary
- Approved additional pre-tax non-cash impairment/accelerated depreciation charges of $200M to $300M for long-lived manufacturing assets.
- Charges result from restructuring initiatives announced in Q1 2025; no material future cash expenditures expected.
- Most charges to be incurred between now and first two quarters of 2026.
- Estimated reduction in recurring depreciation expense of $10M to $15M in 2026.
- Charges determined as difference between carrying values and estimated fair values less costs to sell.

## SEC filing metadata
- accession: 0001140361-25-042498
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2025-11-17T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.06
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1097864/000114036125042498/0001140361-25-042498-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000114036125042498/ef20059530_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-042498
- JSON: https://secwatch.observer/filing/0001140361-25-042498.json
- Plain text: https://secwatch.observer/filing/0001140361-25-042498.txt

## Source-grounded claims
- claim_id: 74b9a73f3380952317fd7572f3588953482ee0fe
  claim: ON SEMICONDUCTOR CORP announced a impairment with charges of between $200 million and $300 million affecting certain onsemi manufacturing facilities.
  evidence_excerpt: on November 13, 2025, management approved the recognition of additional pre-tax non-cash impairment and accelerated depreciation charges of between $200 million and $300 million. These impairment and accelerated depreciation charges are for long-lived assets relating to investments in manufacturing assets at certain onsemi manufacturing facilities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1097864/000114036125042498/0001140361-25-042498-index.htm

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