| Passive ownership stake (update) | SC 13G/A | 2005-02-15 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-14 | - |
| Major company event | 8-K | 2005-02-11 | 2005-02-09 |
| Passive ownership stake (update) | SC 13G/A | 2005-02-11 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-09 | - |
| 424B3 | - | 2004-12-21 | - |
| S-4/A | - | 2004-12-16 | - |
| Insider trade | 4 | 2004-12-15 | 2004-11-19 |
| Major company event | 8-K | 2004-12-15 | 2004-12-09 |
| S-4 | - | 2004-12-02 | - |
| Quarterly report (amended) | 10-Q/A | 2004-12-01 | 2004-06-30 |
| Quarterly report (amended) | 10-Q/A | 2004-12-01 | 2004-03-31 |
| Annual report (amended) | 10-K/A | 2004-12-01 | 2003-12-31 |
| Major company event | 8-K | 2004-11-15 | 2004-11-15 |
| Quarterly report | 10-Q | 2004-11-15 | 2004-09-30 |
| Major company event | 8-K | 2004-11-09 | 2004-11-09 |
| NT 10-Q | - | 2004-11-09 | 2004-09-30 |
| New insider ownership | 3 | 2004-09-27 | 2004-09-17 |
| Activist ownership stake | SC 13D | 2004-09-27 | - |
| 425 | - | 2004-09-20 | - |
| Quarterly report | 10-Q | 2004-08-06 | 2004-06-30 |
| Major company event | 8-K | 2004-08-05 | 2004-08-05 |
| Insider trade | 4 | 2004-05-28 | 2004-05-27 |
| Insider trade | 4 | 2004-05-28 | 2004-05-26 |
| Employee stock plan | S-8 | 2004-05-28 | - |
| Employee stock plan | S-8 | 2004-05-28 | - |
| Insider trade | 4 | 2004-05-26 | 2004-05-25 |
| Insider trade | 4 | 2004-05-25 | 2004-05-21 |
| Insider trade | 4 | 2004-05-25 | 2004-05-21 |
| Insider trade (amended) | 4/A | 2004-05-25 | 2004-05-06 |
| Insider trade | 4 | 2004-05-21 | 2004-05-06 |
| Insider trade | 4 | 2004-05-11 | 2004-05-10 |
| Quarterly report | 10-Q | 2004-05-10 | 2004-03-31 |
| Major company event | 8-K | 2004-05-06 | 2004-05-06 |
| Annual report to shareholders | ARS | 2004-04-19 | 2003-12-31 |
| Proxy statement | DEF 14A | 2004-04-19 | 2004-05-27 |
| Insider trade (amended) | 4/A | 2004-04-08 | 2003-09-10 |
| Insider trade (amended) | 4/A | 2004-04-08 | 2003-09-10 |
| Insider trade (amended) | 4/A | 2004-04-08 | 2003-09-10 |
| Insider trade (amended) | 4/A | 2004-04-08 | 2003-09-10 |
| Annual report | 10-K | 2004-03-10 | 2003-12-31 |
| Insider trade | 4 | 2004-02-27 | 2004-02-26 |
| New insider ownership | 3 | 2004-02-27 | 2004-02-26 |
| Insider trade | 4 | 2004-02-19 | 2004-02-17 |
| Insider trade (amended) | 4/A | 2004-02-17 | 2003-12-02 |
| Passive ownership stake (update) | SC 13G/A | 2004-02-17 | - |
| Passive ownership stake (update) | SC 13G/A | 2004-02-17 | - |
| Passive ownership stake (update) | SC 13G/A | 2004-02-17 | - |
