Six Flags Entertainment Corporation/NEW SEC filings FUN
Six Flags Entertainment Corporation/NEW has 225 filings in SEC EDGAR's recent list, going back to Nov 2, 2023. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 28, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K12B/A | Filing | Sep 16, 2024 | Jul 1, 2024 |
| 8-K12B | Filing | Jul 1, 2024 | Jul 1, 2024 |
| 425 | Filing | Jun 26, 2024 | — |
| 425 | Filing | Jun 18, 2024 | — |
| 425 | Filing | Apr 16, 2024 | — |
| 425 | Filing | Mar 12, 2024 | — |
| 425 | Filing | Mar 4, 2024 | — |
| EFFECT | Filing | Jan 31, 2024 | — |
| CORRESP | Letter to the SEC | Jan 29, 2024 | — |
| CORRESP | Letter to the SEC | Jan 17, 2024 | — |
| UPLOAD | Letter from the SEC | Jan 11, 2024 | — |
| 425 | Filing | Nov 13, 2023 | — |
| 425 | Filing | Nov 3, 2023 | — |
| 425 | Filing | Nov 3, 2023 | — |
| 425 | Filing | Nov 3, 2023 | — |
| 425 | Filing | Nov 2, 2023 | — |
| 425 | Filing | Nov 2, 2023 | — |
| 425 | Filing | Nov 2, 2023 | — |
| 425 | Filing | Nov 2, 2023 | — |
Showing 19 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Amusement & Recreation Services (SIC 7900)
- Listed as
- FUN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Charlotte, NC
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1999001
- Former names
- CopperSteel HoldCo, Inc. (until Jun 26, 2024)
Other Services-Amusement & Recreation Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.