X0306 4 2015-02-06 0001097864 ON SEMICONDUCTOR CORP ONNN 0001558921 GUTMANN BERNARD 5005 EAST MCDOWELL ROAD PHOENIX AZ 85008 1 Exec VP & CFO Common 2015-02-06 4 M 0 10000.0000 4.8000 A 205264.0000 D Common 2015-02-06 4 D 0 10000.0000 11.0000 D 195264.0000 D Stock Option (right to buy) 4.8000 2015-02-06 4 M 0 10000.0000 0.0000 D 2006-02-17 2015-02-17 Common 10000.0000 0.0000 D This transaction was made pursuant to the Reporting Person's existing Rule 10b5-1 plan (i.e. a stock trading plan designed to comply with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended). Mark N. Rogers is signing on behalf of Reporting Person pursuant to a Power of Attorney, attached hereto as an Exhibit. Mark N. Rogers, Attorney-in-Fact 2015-02-10