---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-235313"
form_type: "8-K"
ticker: "ON"
cik: "0001097864"
company_name: "ON SEMICONDUCTOR CORP"
filed_at: "2023-09-14T23:59:59+00:00"
generated_at: "2026-06-10T17:17:43.828744+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# onsemi CAO Bernard Colpitts to resign effective Nov 1, 2023; CFO Thad Trent to assume role

## Summary
- Bernard R. Colpitts, Jr. notified his resignation as SVP and CAO on Sept 11, effective on or about Nov 1, 2023.
- Colpitts will depart after the company files its Q3 2023 Form 10-Q (quarter ending Sept 29, 2023).
- Resignation is voluntary for other opportunities; no disagreement with accounting or financial reporting policies.
- CFO Thad Trent will also serve as principal accounting officer upon Colpitts' departure.

## SEC filing metadata
- accession: 0001193125-23-235313
- form_type: 8-K
- ticker: ON
- cik: 0001097864
- company_name: ON SEMICONDUCTOR CORP
- filed_at: 2023-09-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1097864/000119312523235313/0001193125-23-235313-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1097864/000119312523235313/d553822d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-235313
- JSON: https://secwatch.observer/filing/0001193125-23-235313.json
- Plain text: https://secwatch.observer/filing/0001193125-23-235313.txt

## Key facts
- Executive change
  Bernard R. Colpitts, Jr. resigned as Senior Vice President and Chief Accounting Officer at ON SEMICONDUCTOR CORP.
  - Action: resigned
  - Role: Senior Vice President and Chief Accounting Officer
  source text: On September 11, 2023, Bernard R. Colpitts, Jr., Senior Vice President and Chief Accounting Officer of ON Semiconductor Corporation (the “ Company ”), notified the Company of his intent to resign from all positions with the Company and its affiliates (together, “ onsemi ”) on or about November 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1097864/000119312523235313/0001193125-23-235313-index.htm
- Executive change
  Thad Trent changed role as Executive Vice President, Chief Financial Officer, and Treasurer at ON SEMICONDUCTOR CORP.
  - Action: assumed additional role of principal accounting officer
  - Role: Executive Vice President, Chief Financial Officer, and Treasurer
  source text: Effective with Mr. Colpitts’ departure, Thad Trent, who has served as Executive Vice President, Chief Financial Officer, and Treasurer of the Company since February 2021, will assume the additional role of principal accounting officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1097864/000119312523235313/0001193125-23-235313-index.htm

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