Boardroom Alpha
Start trial
Boardroom Alpha
ON · Additional Proxy Materials (DEFA14A) · Filed April 2, 2026

On Semiconductor Corp — Additional Proxy Materials (DEFA14A)

Form
DEFA14A
Filed
April 2, 2026
Ticker
ON
Accession
0001140361-26-012899
On Semiconductor Corp on Boardroom AlphaView on SEC EDGAR
Boardroom Alpha · Filing insights

ON Semiconductor's Board urges shareholders to approve its seven-director slate, Say-on-Pay, PwC ratification, and any simple majority voting proposal.

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
 
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934
 

Filed by the Registrant ☒
Filed by a Party other than the Registrant ☐
 
Check the appropriate box:
 
☐
Preliminary Proxy Statement
☐
Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐
Definitive Proxy Statement
☒
Definitive Additional Materials
☐
Soliciting Material under §240.14a-12
 
ON Semiconductor Corporation
(Name of Registrant as Specified In Its Charter)
 
(Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check all boxes that apply):
 
☒
No fee required.
☐
Fee paid previously with preliminary materials.
☐
Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

 Your Vote Counts!  For complete information and to vote, visit www.ProxyVote.com  Control #  V86255-P45611  ON SEMICONDUCTOR CORPORATION  2026 Annual Meeting  Vote by May 13, 2026  11:59 PM ET  ON SEMICONDUCTOR CORPORATION 5701 NORTH PIMA ROAD SCOTTSDALE, AZ 85250  You invested in ON SEMICONDUCTOR CORPORATION and it’s time to vote!  You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the  availability of proxy materials for the stockholder meeting to be held on May 14, 2026.  Get informed before you vote  View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by  requesting prior to April 30, 2026. These materials contain important information. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.  Smartphone users  Point your camera here and vote without entering a control number  Vote in Person at the Meeting*  May 14, 2026  8:00 a.m. local time  ON Semiconductor Corporation Principal Executive Offices 5701 North Pima Road  Scottsdale, AZ 85250  *You may obtain directions to be able to attend the Annual Meeting and vote in person by visiting onsemi’s website at www.onsemi.com/annualmeeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. 
 
 Vote at www.ProxyVote.com  THIS IS NOT A VOTABLE BALLOT  This is an overview of the more complete proxy materials that are available to you online or by mail. You may view the proxy materials at www.proxyvote.com or easily request a paper copy. We encourage you to access and review all of the important information contained in the proxy materials before voting.  Please follow the instructions on the reverse side to vote these important matters.  Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”.  V86256-P45611  1. To elect seven directors nominated by our Board of Directors.  For  Nominees:  1a. Susan K. Carter  1b. Thomas L. Deitrich  For  1c. Hassane El-Khoury  For  1d. Bruce E. Kiddoo  For  1e. Paul A. Mascarenas  For  1f. Gregory L. Waters  For  1g. Christine Y. Yan  For  2. To vote on an advisory (non-binding) resolution to approve the compensation of our named executive officers.  For  3. To ratify the selection of PricewaterhouseCoopers LLP as our independent registered accounting firm for the year ending December 31, 2026.  For  4. To vote on a stockholder proposal regarding simple majority voting, if properly presented at the annual meeting.  None  NOTE: To transact such other business as may properly come before the annual meeting or any adjournment or postponement thereof.  Voting Items  Board Recommends 
 

From this filing to the vote

Forecast every director vote the day the proxy files.

Meeting Forecast scores each director up for re-election + every contested situation, rebuilt daily across 6,000+ U.S. public companies. The same model that called the LULU contested proxy lives on every meeting you see here.

See Meeting ForecastSchedule a Demo

Independent — issuer-pays-free, ideology-free, U.S.-owned.

More filings

Other filings from On Semiconductor Corp (ON)

Continue researching
Reference

Frequently asked questions

When did On Semiconductor Corp file this DEFA14A?
On Semiconductor Corp (ON) filed this Additional Proxy Materials (DEFA14A) with the SEC on April 2, 2026. The accession number assigned by EDGAR is 0001140361-26-012899.
What does a DEFA14A disclose?
DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?
ON Semiconductor's Board urges shareholders to approve its seven-director slate, Say-on-Pay, PwC ratification, and any simple majority voting proposal. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find On Semiconductor Corp's prior proxy statements on EDGAR?
The SEC EDGAR browser lists every DEFA14A 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.
Disclaimer

The opinions and information contained herein have been obtained or derived from sources believed to be reliable, but Boardroom Alpha cannot guarantee its accuracy and completeness, and that of the opinions based thereon.

This report contains opinions and is provided for informational purposes only – it does not constitute investment, legal or tax advice. You should not rely solely upon the research herein for purposes of transacting securities or other investments, and you are encouraged to conduct your own research and due diligence, and to seek the advice of a qualified securities professional before you make any investment.

None of the information contained in this report constitutes, or is intended to constitute a recommendation by Boardroom Alpha of any particular security or trading strategy or a determination by Boardroom Alpha that any security or trading strategy is suitable for any specific person. To the extent any of the information contained herein may be deemed to be investment advice, such information is impersonal and not tailored to the investment needs of any specific person.

No representation or warranty, expressed or implied, is made on behalf of Boardroom Alpha as to the accuracy or completeness of the information contained herein. Boardroom Alpha does not accept any liability for any direct, indirect or consequential loss or damage suffered by any person as a result of relying on all or any part of this research and any liability is expressly disclaimed.

Full disclaimer