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ON · Current Report (Form 8-K) · Filed November 5, 2025

On Semiconductor Corp — Current Report (Form 8-K)

Form
8-K
Filed
November 5, 2025
Period
Nov 4, 2025
Ticker
ON
Accession
0001140361-25-040434
Boardroom Alpha · Filing insights

Chair Alan Campbell to retire at the 2026 annual meeting; Thomas L. Deitrich named successor as chair.

About On Semiconductor Corp
Market cap
$50.4B
1Y TSR
+121.0%
3Y TSR
+7.9%
Board grade
A
Sector
Technology
CEO
Hassane El-Khoury
Last annual meeting: May 14, 2026 · View full On Semiconductor Corp profile →

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K



CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 
November 4, 2025
Date of Report (Date of earliest event reported)

ON Semiconductor Corporation
(Exact name of registrant as specified in its charter)



Delaware
001-39317
36-3840979
(State or other jurisdiction of incorporation)
(Commission File Number)
(IRS Employer Identification No.)

ON Semiconductor Corporation
5701 N. Pima Road
Scottsdale, Arizona
85250
(Address of principal executive offices)
(Zip Code)
 
(602) 244-6600
(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report.)



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class
 
Trading
Symbol(s)
 
Name of each exchange
on which registered
Common Stock, par value $0.01 per share
 
ON
 
The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐
 


Item 5.02.
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
 
(b) On November 4, 2025, Alan Campbell, who currently serves as chair of the board of directors (the “Board”) of ON Semiconductor Corporation (the “Company”), gave notice of his intent to retire from the Board and its committees effective at the end of his current term, which expires immediately prior to the 2026 annual meeting of stockholders (the “2026 Annual Meeting”). The 2026 Annual Meeting is currently scheduled for May 14, 2026. Mr. Campbell, who informed the Company that his decision to retire was not a result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices, will continue to serve as chair of the Board until his retirement. To ensure continuity of Board leadership through and after the 2026 Annual Meeting, the Board has appointed Thomas L. Deitrich to succeed Mr. Campbell as chair of the Board, assuming Mr. Deitrich’s renomination and reelection. The Company and the Board thank Mr. Campbell for his many years of service and board leadership.


SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

   
ON SEMICONDUCTOR CORPORATION
(Registrant)
     
Date: November 5, 2025
By:
/s/ Paul Dutton
   
Paul Dutton
   
Senior Vice President, Chief Legal Officer and Secretary



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Reference

Frequently asked questions

When did On Semiconductor Corp file this 8-K?
On Semiconductor Corp (ON) filed this Current Report (Form 8-K) with the SEC on November 5, 2025. The accession number assigned by EDGAR is 0001140361-25-040434.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Chair Alan Campbell to retire at the 2026 annual meeting; Thomas L. Deitrich named successor as chair. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find On Semiconductor Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K On Semiconductor Corp has filed under CIK 1097864, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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