| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D | 2005-09-06 | WEITZ WALLACE R & CO | SIX FLAGS INC | 9,840,000 | 10.6% | EDGAR |
| SC 13D/A | 2005-08-18 | SNYDER DANIEL M | SIX FLAGS INC | - | 11.7% | EDGAR |
| SC 13D/A | 2005-08-10 | RED ZONE LLC | SIX FLAGS INC | - | 11.0% | EDGAR |
| SC 13D/A | 2005-04-22 | RED ZONE LLC | SIX FLAGS INC | - | 8.8% | EDGAR |
| SC 13G/A | 2005-02-14 | FMR CORP | SIX FLAGS INC | 10,436,117 | 10.6% | EDGAR |
| SC 13G | 2005-02-14 | FRANKLIN RESOURCES INC | SIX FLAGS INC | 10,237,399 | 9.9% | EDGAR |
| SC 13G | 2005-02-09 | DIMENSIONAL FUND ADVISORS INC | SIX FLAGS INC | 7,185,400 | 7.7% | EDGAR |
| SC 13D/A | 2005-01-14 | RED ZONE LLC | SIX FLAGS INC | - | 8.8% | EDGAR |
| SC 13G/A | 2005-01-12 | WEITZ WALLACE R & CO | SIX FLAGS INC | 9,840,000 | 10.6% | EDGAR |
| SC 13D/A | 2004-09-02 | RED ZONE LLC | SIX FLAGS INC | 8,150,000 | 8.8% | EDGAR |
| SC 13D | 2004-08-31 | CASCADE INVESTMENT LLC | SIX FLAGS INC | 10,810,120 | 11.5% | EDGAR |
| SC 13D | 2004-08-30 | RED ZONE LLC | SIX FLAGS INC | 8,150,000 | 8.8% | EDGAR |
| SC 13G | 2004-06-18 | REED CONNER & BIRDWELL LLC | SIX FLAGS INC | - | 5.1% | EDGAR |
| SC 13G/A | 2004-04-27 | MORGAN STANLEY | SIX FLAGS INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2004-02-17 | FMR CORP | SIX FLAGS INC | 10,261,858 | 10.8% | EDGAR |
| SC 13G/A | 2004-02-17 | CASCADE INVESTMENT LLC | SIX FLAGS INC | 10,810,120 | 11.6% | EDGAR |
| SC 13G | 2004-02-17 | MORGAN STANLEY | SIX FLAGS INC | 625,000 | 5.4% | EDGAR |
| SC 13G/A | 2004-01-23 | WEITZ WALLACE R & CO | SIX FLAGS INC | 11,910,000 | 12.9% | EDGAR |
| SC 13G/A | 2003-02-14 | FMR CORP | SIX FLAGS INC | 10,499,185 | 11.0% | EDGAR |
| SC 13G/A | 2003-02-13 | CASCADE INVESTMENT LLC | SIX FLAGS INC | 10,810,020 | 11.6% | EDGAR |