ON SEMICONDUCTOR CORP — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON SEMICONDUCTOR CORP (ON)
CIK: 0001097864
Period of Report: 2026-02-05

Reporting Person: KEETON SIMON (Group President, PSG)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-05	Common	A	23287.0000	$0.0000	Acquired	256259.0000	Direct
2026-02-05	Common	A	3279.0000	$0.0000	Acquired	259538.0000	Direct
2026-02-05	Common	A	2581.0000	$0.0000	Acquired	262119.0000	Direct
2026-02-06	Common	F	9232.0000	$65.2000	Disposed	252887.0000	Direct

Footnotes

F1: Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2025, that were earned based on the Issuer's performance as measured against the underlying metrics. These units will vest in three annual installments beginning on February 10, 2026, subject to the Reporting Person's continued employment through the applicable vesting date.

F2: Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 20, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

F3: Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2024, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

F4: Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

F5: Includes an additional 129 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.