| Insider trade | 4 | 2003-07-02 | 2003-07-01 |
| Insider trade | 4 | 2003-07-02 | 2003-07-01 |
| Insider trade | 4 | 2003-07-02 | 2003-06-30 |
| Insider trade | 4 | 2003-07-02 | 2003-06-30 |
| Insider trade | 4 | 2003-07-02 | 2003-05-23 |
| Employee plan annual report | 11-K | 2003-06-27 | 2002-12-31 |
| Employee plan annual report | 11-K | 2003-06-27 | 2002-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2003-06-10 | - |
| Employee stock plan | S-8 | 2003-06-09 | - |
| Major company event | 8-K | 2003-05-20 | 2003-05-20 |
| Quarterly report | 10-Q | 2003-05-15 | 2003-03-31 |
| Major company event | 8-K | 2003-05-13 | 2003-05-13 |
| Proxy materials | DEFA14A | 2003-05-13 | - |
| Major company event | 8-K | 2003-05-06 | 2003-05-06 |
| Major company event | 8-K | 2003-05-06 | 2003-05-05 |
| Major company event | 8-K | 2003-04-22 | 2003-04-22 |
| Annual report to shareholders | ARS | 2003-04-10 | 2002-12-31 |
| Proxy statement | DEF 14A | 2003-04-09 | 2003-05-14 |
| Annual report | 10-K | 2003-03-14 | 2002-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2003-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2003-02-12 | - |
| Passive ownership stake (update) | SC 13G/A | 2003-01-29 | - |
| Passive ownership stake (update) | SC 13G/A | 2003-01-28 | - |
| Quarterly report | 10-Q | 2002-11-14 | 2002-09-30 |
| Employee stock plan | S-8 | 2002-08-15 | - |
| Quarterly report | 10-Q | 2002-08-14 | 2002-06-30 |
| Employee plan annual report | 11-K | 2002-07-01 | 2001-12-31 |
| Employee plan annual report | 11-K | 2002-07-01 | 2001-12-31 |
| Quarterly report | 10-Q | 2002-05-13 | 2002-03-31 |
| Annual report to shareholders | ARS | 2002-04-11 | 2001-12-31 |
| Proxy statement | DEF 14A | 2002-04-11 | 2002-05-08 |
| 10-K405 | - | 2002-03-22 | 2001-12-31 |
| Passive ownership stake | SC 13G | 2002-03-08 | - |
| Passive ownership stake (update) | SC 13G/A | 2002-02-12 | - |
| Passive ownership stake | SC 13G | 2002-02-11 | - |
| Passive ownership stake (update) | SC 13G/A | 2002-02-08 | - |
| Quarterly report | 10-Q | 2001-11-09 | 2001-09-30 |
| Quarterly report | 10-Q | 2001-08-13 | 2001-06-30 |
| Major company event | 8-K | 2001-07-16 | 2001-07-01 |
| Employee plan annual report | 11-K | 2001-07-12 | 2000-12-31 |
| Employee plan annual report | 11-K | 2001-07-12 | 2000-12-31 |
| NT 11-K | - | 2001-07-02 | 2000-12-31 |
| NT 11-K | - | 2001-07-02 | 2000-12-31 |
| Passive ownership stake | SC 13G | 2001-06-08 | - |
| Quarterly report | 10-Q | 2001-05-15 | 2001-03-31 |
| Employee stock plan | S-8 | 2001-05-10 | - |
| DEFR14A | - | 2001-04-05 | - |
| Activist ownership stake | SC 13D | 2001-04-05 | - |
| Proxy statement | DEF 14A | 2001-04-05 | 2001-05-10 |
| Annual report | 10-K | 2001-03-27 | 2000-12-31 |
