| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2006-12-11 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 33,946,715 | 10.4% | EDGAR |
| SC 13D/A | 2006-10-18 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 37,332,645 | 11.5% | EDGAR |
| SC 13D/A | 2006-09-19 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 38,545,204 | 11.9% | EDGAR |
| SC 13D/A | 2006-09-06 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 40,068,944 | 12.3% | EDGAR |
| SC 13D/A | 2006-08-11 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 41,487,176 | 12.8% | EDGAR |
| SC 13D/A | 2006-06-23 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 53,313,206 | 16.5% | EDGAR |
| SC 13G/A | 2006-03-10 | WELLINGTON MANAGEMENT CO LLP | ON SEMICONDUCTOR CORP | 8,539,191 | 2.7% | EDGAR |
| SC 13G/A | 2006-02-14 | FMR CORP | ON SEMICONDUCTOR CORP | 39,789,902 | 15.2% | EDGAR |
| SC 13G/A | 2006-02-14 | WELLINGTON MANAGEMENT CO LLP | ON SEMICONDUCTOR CORP | 24,473,751 | 9.5% | EDGAR |
| SC 13G | 2006-01-26 | BARCLAYS GLOBAL INVESTORS NA /CA/ | ON SEMICONDUCTOR CORP | 15,357,751 | 6.0% | EDGAR |
| SC 13D/A | 2005-11-22 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 53,313,206 | 17.2% | EDGAR |
| SC 13D/A | 2005-11-15 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 49,364,080 | 16.1% | EDGAR |
| SC 13G/A | 2005-02-14 | WELLINGTON MANAGEMENT CO LLP | ON SEMICONDUCTOR CORP | 25,926,270 | 10.2% | EDGAR |
| SC 13G | 2005-01-10 | FMR CORP | ON SEMICONDUCTOR CORP | 33,055,350 | 13.0% | EDGAR |
| SC 13G/A | 2004-05-10 | WELLINGTON MANAGEMENT CO LLP | ON SEMICONDUCTOR CORP | 25,772,760 | 10.2% | EDGAR |
| SC 13G | 2004-02-12 | WELLINGTON MANAGEMENT CO LLP | ON SEMICONDUCTOR CORP | 20,559,280 | 9.5% | EDGAR |
| SC 13D/A | 2004-02-10 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 43,447,689 | 14.7% | EDGAR |
| SC 13G/A | 2004-01-22 | MOTOROLA INC | ON SEMICONDUCTOR CORP | - | - | EDGAR |
| SC 13G/A | 2002-02-11 | CAPITAL RESEARCH & MANAGEMENT CO | ON SEMICONDUCTOR CORP | 6,175,000 | 3.5% | EDGAR |
| SC 13D | 2001-09-17 | TPG ON HOLDINGS LLC | ON SEMICONDUCTOR CORP | 35,460,993 | 16.9% | EDGAR |