04/29/2024
3:43 PM | Six Flags Entertainment (Filer)
| Form 10-K/A | |
04/16/2024
3:49 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/16/2024
3:50 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
04/16/2024
3:46 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/16/2024
3:48 PM | Six Flags Entertainment (Subject)
| Form 425 | |
03/12/2024
3:52 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/12/2024
3:54 PM | Six Flags Entertainment (Subject)
| Form 425 | |
|
03/12/2024
3:57 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
02/29/2024
5:13 AM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/31/2024
3:37 PM | Six Flags Entertainment (Filer)
| Form DEFM14A | |
01/23/2024
3:14 PM | BlackRock Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form SC 13G/A | |
01/22/2024
8:58 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/22/2024
8:59 PM | Six Flags Entertainment (Subject)
| Form 425 | |
12/26/2023
6:47 AM | Mick Gary (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/22/2023
4:16 PM | BASSOUL SELIM A (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/22/2023
4:12 PM | Sample Derek (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/22/2023
3:31 PM | Six Flags Entertainment (Subject)
| Form 425 | |
12/22/2023
3:28 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/15/2023
3:02 PM | H PARTNERS MANAGEMENT, LLC (Filed by)
Six Flags Entertainment (Subject)
| Form SC 13D/A | |
11/13/2023
4:07 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/13/2023
4:10 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
4:14 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
3:46 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
3:53 PM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
3:32 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/03/2023
9:50 AM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
9:51 AM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
9:19 AM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/03/2023
9:21 AM | CopperSteel HoldCo, Inc. (Filed by)
Six Flags Entertainment (Subject)
| Form 425 | |
11/02/2023
6:36 AM | Six Flags Entertainment (Filer)
| Form DEFA14A | |
11/02/2023
5:18 AM | Six Flags Entertainment (Subject)
| Form 425 | |
11/02/2023
5:20 AM | Six Flags Entertainment (Subject)
| Form 425 | |
11/02/2023
5:13 AM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/02/2023
5:15 AM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/21/2023
3:45 PM | Sample Derek (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/20/2023
2:11 PM | Sample Derek (Reporting)
Six Flags Entertainment (Subject)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
09/11/2023
3:45 PM | Six Flags Entertainment (Issuer)
Williams-Ramey Aimee (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/08/2023
3:26 PM | Six Flags Entertainment (Subject)
Williams-Ramey Aimee (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/15/2023
3:19 PM | Six Flags Entertainment (Issuer)
Williams-Ramey Aimee (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/11/2023
5:27 AM | Six Flags Entertainment (Filer)
| Form 8-K/A | |
08/10/2023
5:05 AM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
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06/14/2023
3:49 PM | Six Flags Entertainment (Issuer)
Williams-Ramey Aimee (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2023
3:19 PM | Mick Gary (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/30/2023
3:36 PM | Mick Gary (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/12/2023
3:22 PM | Huang Chieh E. (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/12/2023
3:20 PM | Bracey Esi Eggleston (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/12/2023
3:16 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/12/2023
3:18 PM | BALDANZA B BEN (Reporting)
Six Flags Entertainment (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/08/2023
5:06 AM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/04/2023
3:43 PM | Six Flags Entertainment (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
