ON Semiconductor director granted 168 shares

MASCARENAS PAUL ANTHONY reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MASCARENAS PAUL ANTHONY reported acquisition or exercise transactions in this Form 4 filing.

ON Semiconductor Corp director Paul Anthony Mascarenas received a grant of 168 shares of common stock valued at $62.19 per share. These fully-vested shares were issued in lieu of a portion of his quarterly cash retainers for the first quarter of 2026, based on his prior election. Following this compensation-related award, he directly holds 55,488 common shares.

Insider Trade Summary

Grant/Award: 168 shares

Grant/Award 1 txn

Insider MASCARENAS PAUL ANTHONY

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common	168	$62.19	$10K

Holdings After Transaction: Common — 55,488 shares (Direct)

Footnotes (1)

1. F1. Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the first quarter of 2026 based on his previously-submitted election.

Key Figures

Shares granted: 168 shares Grant value per share: $62.19 per share Total shares after transaction: 55,488 shares

3 metrics

Shares granted 168 shares Fully-vested common stock issued in lieu of part of Q1 2026 cash retainers

Grant value per share $62.19 per share Reported value for the 168-share stock grant

Total shares after transaction 55,488 shares Director’s direct ON Semiconductor common stock holdings following the award

Key Terms

fully-vested shares, quarterly cash retainers, grant/award acquisition

3 terms

fully-vested shares financial

"Represents fully-vested shares of common stock issued to the Reporting Person"

quarterly cash retainers financial

"issued ... in lieu of a portion of his quarterly cash retainers for the first quarter of 2026"

grant/award acquisition financial

"transaction_action": "grant/award acquisition""

FAQ

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

What insider transaction did ON (ON Semiconductor) report for Paul Anthony Mascarenas?

ON Semiconductor reported that director Paul Anthony Mascarenas received a grant of 168 fully-vested common shares. The shares were issued as part of his board compensation instead of cash retainers for the first quarter of 2026, following his prior election.

Was the ON director’s Form 4 transaction a market purchase or sale?

The Form 4 shows a grant/award acquisition, not a market purchase or sale. Mascarenas received 168 fully-vested common shares as compensation in lieu of part of his quarterly cash retainers, consistent with a pre-elected stock retainer arrangement.

How many ON Semiconductor shares does Paul Anthony Mascarenas hold after this award?

After the award, Paul Anthony Mascarenas directly holds 55,488 shares of ON Semiconductor common stock. This total reflects the addition of 168 fully-vested shares received as compensation for a portion of his first-quarter 2026 board retainers.

What price per share is reported for the ON director’s stock grant?

The reported value for the grant is $62.19 per share for 168 common shares. This price is used for reporting the compensation value of fully-vested shares issued instead of part of Paul Anthony Mascarenas’s quarterly cash retainers for early 2026.

Why did ON Semiconductor issue stock instead of cash to this director?

According to the footnote, the 168 fully-vested shares were issued in lieu of a portion of Paul Anthony Mascarenas’s quarterly cash retainers. This followed his previously submitted election to receive part of his first-quarter 2026 board compensation in stock rather than cash.

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

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Accepted by SEC EDGAR 04/06/2026 - 04:58 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MASCARENAS PAUL ANTHONY

(Last) (First) (Middle)

5701 NORTH PIMA ROAD

(Street)

SCOTTSDALE ARIZONA 85250

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ON SEMICONDUCTOR CORP [ ON ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common	04/03/2026		A		168(1)	A	$62.19	55,488	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the first quarter of 2026 based on his previously-submitted election.

	/s/ Hope M. Spencer, Attorney-in-Fact	04/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)