Form 144: 22,188 Restricted Shares Proposed for Sale

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notifying the proposed sale of 22,188 shares of Common Stock.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notifying the proposed sale of 22,188 shares of Common Stock. The securities are listed as restricted stock with multiple grant/issue dates including 05/17/2023, 05/15/2024, 05/14/2025, 06/04/2018, and 05/13/2026.

The filing lists per-grant share amounts of 3,624, 2,602, 3,083, 7,825, and 5,054 shares. Sale timing and proceeds treatment are not stated in the excerpt.

Insights

Securities Compliance Counsel

Form 144 notifies a proposed resale of restricted shares totaling 22,188.

The filing lists multiple restricted-stock grants by grant date and per-grant share counts. This notice is an administrative disclosure under resale rules and does not itself effect a sale.

Timing and cash-flow treatment for the proposed sales are absent from the excerpt; subsequent filing or execution reports would show whether and when sales occurred.

Key Figures

Total shares listed: 22,188 shares Grant 1: 3,624 shares Grant 2: 2,602 shares +3 more

6 metrics

Total shares listed 22,188 shares aggregate shown at top of excerpt

Grant 1 3,624 shares <date>05/17/2023</date>

Grant 2 2,602 shares <date>05/15/2024</date>

Grant 3 3,083 shares <date>05/14/2025</date>

Grant 4 7,825 shares <date>06/04/2018</date>

Grant 5 5,054 shares <date>05/13/2026</date>

Key Terms

Form 144, Restricted Stock, Filer

3 terms

Form 144 regulatory

"filed a Form 144 notifying the proposed sale of 22,188 shares"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock financial

"The securities are listed as Restricted Stock with multiple grant dates"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Filer regulatory

"Morgan Stanley Smith Barney LLC Executive Financial Services is listed as the filer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the ON Form 144 disclosure show?

It reports a proposed resale of 22,188 shares of common stock. The notice lists multiple restricted-stock grants dated between 06/04/2018 and 05/13/2026 and per-grant counts totaling the 22,188 shares.

Who is the filer on the Form 144 for ON?

The filer is listed as Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza. The filing identifies the broker-dealer handling the proposed resale but does not state purchaser or buyer counterparties.

Are the securities being sold restricted or unrestricted?

The excerpt identifies the securities as Restricted Stock. Each listed grant retains the restriction label and specific grant dates; the filing is a notice of intent to resell those restricted securities once resale conditions are satisfied.

Does the Form 144 state sale timing or proceeds details?

No. The provided excerpt does not state execution timing, sale price, or proceeds allocation. The notice lists proposed amounts and grant dates but does not disclose when sales will occur or who will receive proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/15/2026 - 04:08 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001296309
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ON SEMICONDUCTOR CORPORATION
SEC File Number	001-39317
Address of Issuer	5701 N. Pima Road Scottsdale ARIZONA 85250
Phone	(602) 244-6600
Name of Person for Whose Account the Securities are To Be Sold	ALAN CAMPBELL
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	22188	2509684.68	391903191	05/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/17/2023	Restricted Stock	Issuer			3624	05/17/2023	Not Applicable
Common	05/15/2024	Restricted Stock	Issuer			2602	05/15/2024	Not Applicable
Common	05/14/2025	Restricted Stock	Issuer			3083	05/14/2025	Not Applicable
Common	06/04/2018	Restricted Stock	Issuer			7825	06/04/2018	Not Applicable
Common	05/13/2026	Restricted Stock	Issuer			5054	05/13/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/15/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Alan Campbell
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)