| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2007-01-08 | COLUMBIA WANGER ASSET MANAGEMENT LP | SEATTLE GENETICS INC /WA | - | - | EDGAR |
| SC 13D/A | 2006-08-15 | BAKER JULIAN | SEATTLE GENETICS INC /WA | 13,197,089 | 22.6% | EDGAR |
| SC 13G/A | 2006-07-10 | GALLEN JONATHAN | SEATTLE GENETICS INC /WA | 5,883,300 | 11.8% | EDGAR |
| SC 13D | 2006-06-23 | BAKER JULIAN | SEATTLE GENETICS INC /WA | 11,898,841 | 20.4% | EDGAR |
| SC 13G/A | 2006-02-24 | CASCADE INVESTMENT LLC | SEATTLE GENETICS INC /WA | 0 | 0.0% | EDGAR |
| SC 13G | 2006-02-24 | GATES BILL & MELINDA FOUNDATION | SEATTLE GENETICS INC /WA | 3,521,088 | 8.3% | EDGAR |
| SC 13D/A | 2006-02-15 | JP MORGAN PARTNERS BHCA LP | SEATTLE GENETICS INC /WA | 5,427,325 | 10.9% | EDGAR |
| SC 13G/A | 2006-02-14 | FMR CORP | SEATTLE GENETICS INC /WA | 5,509,266 | 13.0% | EDGAR |
| SC 13G | 2006-02-14 | COLUMBIA WANGER ASSET MANAGEMENT LP | SEATTLE GENETICS INC /WA | 2,300,000 | 5.4% | EDGAR |
| SC 13G/A | 2006-01-25 | GALLEN JONATHAN | SEATTLE GENETICS INC /WA | 2,767,550 | 6.5% | EDGAR |
| SC 13G | 2005-07-08 | GALLEN JONATHAN | SEATTLE GENETICS INC /WA | 2,220,550 | 5.3% | EDGAR |
| SC 13D/A | 2005-04-08 | JP MORGAN PARTNERS BHCA LP | SEATTLE GENETICS INC /WA | 5,417,325 | 11.4% | EDGAR |
| SC 13D/A | 2005-02-14 | JP MORGAN PARTNERS BHCA LP | SEATTLE GENETICS INC /WA | 1,083,465 | 11.0% | EDGAR |
| SC 13G/A | 2005-02-14 | FMR CORP | SEATTLE GENETICS INC /WA | 5,453,667 | 13.0% | EDGAR |
| SC 13G/A | 2005-01-28 | GALLEN JONATHAN | SEATTLE GENETICS INC /WA | 1,470,550 | 3.5% | EDGAR |
| SC 13D | 2004-05-17 | JP MORGAN PARTNERS BHCA LP | SEATTLE GENETICS INC /WA | 5,760,349 | 12.5% | EDGAR |
| SC 13G | 2004-03-10 | FMR CORP | SEATTLE GENETICS INC /WA | 5,215,500 | 13.0% | EDGAR |
| SC 13G/A | 2004-02-13 | BANK OF AMERICA CORP /DE/ | SEATTLE GENETICS INC /WA | 210,764 | 1.0% | EDGAR |
| SC 13G/A | 2004-02-13 | GALLEN JONATHAN | SEATTLE GENETICS INC /WA | 2,247,355 | 7.3% | EDGAR |
| SC 13G/A | 2004-02-13 | ROYCE & ASSOCIATES LLC | SEATTLE GENETICS INC /WA | 495,500 | 1.6% | EDGAR |