| Passive ownership stake | SC 13G | 2003-01-31 | - |
| Major company event | 8-K | 2003-01-03 | 2003-01-02 |
| Employee stock plan | S-8 | 2002-12-06 | - |
| Major company event | 8-K | 2002-11-19 | 2002-11-18 |
| Quarterly report | 10-Q | 2002-11-14 | 2002-09-30 |
| Annual report to shareholders | ARS | 2002-10-09 | 2002-06-30 |
| Major company event | 8-K | 2002-10-04 | 2002-10-04 |
| Major company event | 8-K | 2002-10-04 | 2002-10-03 |
| Proxy statement | DEF 14A | 2002-10-01 | 2002-10-29 |
| Annual report | 10-K | 2002-09-26 | 2002-06-30 |
| Employee plan annual report | 11-K | 2002-06-28 | 2001-12-31 |
| Quarterly report | 10-Q | 2002-05-14 | 2002-03-31 |
| Activist ownership stake (update) | SC 13D/A | 2002-03-29 | - |
| Activist ownership stake (update) | SC 13D/A | 2002-03-29 | - |
| Quarterly report | 10-Q | 2002-02-14 | 2001-12-31 |
| Passive ownership stake | SC 13G | 2002-02-13 | - |
| Quarterly report | 10-Q | 2001-11-14 | 2001-09-30 |
| Annual report | 10-K | 2001-09-25 | 2001-06-30 |
| Proxy statement | DEF 14A | 2001-09-25 | 2001-10-30 |
| Securities registration | S-3 | 2001-07-30 | - |
| Employee stock plan | S-8 | 2001-06-27 | - |
| Employee plan annual report | 11-K | 2001-06-26 | 2000-12-31 |
| Quarterly report | 10-Q | 2001-05-14 | 2001-03-31 |
| Quarterly report | 10-Q | 2001-02-14 | 2000-12-31 |
| Major company event | 8-K | 2001-01-18 | 2001-01-18 |
| Quarterly report | 10-Q | 2000-11-14 | 2000-09-30 |
| Proxy statement | DEF 14A | 2000-09-27 | 2000-06-30 |
| Annual report | 10-K | 2000-09-27 | 2000-06-30 |
| Activist ownership stake (update) | SC 13D/A | 2000-09-06 | - |
| Activist ownership stake (update) | SC 13D/A | 2000-09-06 | - |
| Activist ownership stake | SC 13D | 2000-09-01 | - |
| Activist ownership stake (update) | SC 13D/A | 2000-08-25 | - |
| 424B4 | - | 2000-08-11 | - |
| Major company event (amended) | 8-K/A | 2000-08-11 | 2000-08-11 |
| S-1/A | - | 2000-08-04 | - |
| Major company event | 8-K | 2000-07-27 | 2000-07-27 |
| Quarterly report (amended) | 10-Q/A | 2000-07-25 | 2000-03-31 |
| Major company event | 8-K | 2000-07-21 | 2000-07-21 |
| IPO registration | S-1 | 2000-07-14 | - |
| Major company event (amended) | 8-K/A | 2000-07-12 | 2000-06-01 |
| Major company event (amended) | 8-K/A | 2000-07-12 | 2000-06-01 |
| Major company event | 8-K | 2000-06-19 | 2000-06-16 |
| Major company event | 8-K | 2000-06-14 | 2000-06-14 |
| Quarterly report | 10-Q | 2000-05-05 | 2000-03-31 |
| Quarterly report | 10-Q | 2000-02-11 | 1999-12-31 |
| Major company event (amended) | 8-K/A | 1999-12-28 | 1999-08-31 |
| Quarterly report | 10-Q | 1999-11-15 | 1999-09-30 |
| Proxy statement | DEF 14A | 1999-09-27 | 1999-06-30 |
| Annual report | 10-K | 1999-09-24 | 1999-06-30 |
| Major company event | 8-K | 1999-09-20 | 1999-09-08 |
