| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/11/00 | DEF 14A | Form DEF 14A: Definitive proxy statements | 18 | |
| 03/28/00 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 92 | |
| 02/10/00 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/09/00 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 12/07/99 | 424B3 | Form 424B3: Prospectus [Rule 424(b)(3)] | 2 | |
| 11/15/99 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 13 | |
| 10/27/99 | 11-K | Form 11-K: Annual report of employee stock purchase, savings and similar plans | 14 | |
| 10/20/99 | 424B3 | Form 424B3: Prospectus [Rule 424(b)(3)] | 1 | |
| 09/24/99 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 7 | |
| 08/20/99 | S-8 | Form S-8: Securities to be offered to employees in employee benefit plans | 7 |