X0306 4 2022-06-01 0001097864 ON SEMICONDUCTOR CORP ON 0001699662 COLPITTS BERNARD RAYMOND JR 5005 EAST MCDOWELL ROAD PHOENIX AZ 85008 1 Chief Accounting Officer Common 2022-06-01 4 F 0 1987.0000 59.2700 D 23983.0000 D Represents shares withheld to cover taxes due upon the vesting of restricted stock units. Includes an additional 92 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing. /s/ Pamela L. Tondreau, Attorney-in-Fact 2022-06-03