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Six Flags Entertainment Corporation

FUN
Exchange
NYSE
Industry
Services-Amusement & Recreation Services
SEC CIK
0001999001

In the last 90 days, Six Flags Entertainment Corporation insiders filed 3 open-market purchases and 0 sales; 314 institutions reported holding it in 13F filings for Q2 2026, worth $2.32B in total; no superinvestor holds it.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports Six Flags Entertainment Corporation filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by Six Flags Entertainment Corporation
FiledForm8-K itemsPeriodDocumentFiling index
Nov 5, 202610-Q–Sep 27, 2026SECIndex
Nov 5, 20268-K2.027.019.01Nov 5, 2026SECIndex
Aug 6, 202610-Q–Jun 28, 2026SECIndex
Aug 6, 20268-K2.029.01Aug 6, 2026SECIndex
Jul 2, 20268-K5.027.019.01Jul 1, 2026SECIndex
Jul 1, 20268-K5.02Jun 25, 2026SECIndex
May 27, 20268-K5.07May 26, 2026SECIndex
May 27, 20268-K5.027.019.01May 21, 2026SECIndex
May 20, 20268-K1.015.029.01May 19, 2026SECIndex
May 7, 202610-Q–Mar 29, 2026SECIndex
May 7, 20268-K2.029.01May 7, 2026SECIndex
May 7, 20268-K5.027.019.01May 7, 2026SECIndex
Apr 9, 20268-K7.019.01Apr 8, 2026SECIndex
Apr 6, 20268-K7.018.019.01Apr 6, 2026SECIndex
Mar 25, 20268-K5.027.019.01Mar 24, 2026SECIndex
Mar 13, 20268-K5.02Mar 10, 2026SECIndex
Mar 5, 20268-K1.017.019.01Mar 5, 2026SECIndex
Feb 26, 202610-K–Dec 31, 2025SECIndex
Feb 19, 20268-K2.029.01Feb 19, 2026SECIndex
Jan 23, 20268-K1.019.01Jan 21, 2026SECIndex
Jan 14, 20268-K1.012.039.01Jan 14, 2026SECIndex
Jan 6, 20268-K7.018.019.01Jan 6, 2026SECIndex
Jan 5, 20268-K8.01Jan 5, 2026SECIndex
Jan 5, 20268-K5.02Dec 29, 2025SECIndex
Dec 23, 20258-K5.02Dec 17, 2025SECIndex
Nov 24, 20258-K5.027.019.01Nov 21, 2025SECIndex
Nov 7, 202510-Q–Sep 28, 2025SECIndex
Nov 7, 20258-K2.027.019.01Nov 7, 2025SECIndex
Oct 17, 20258-K1.015.027.019.01Oct 17, 2025SECIndex
Oct 10, 20258-K5.027.019.01Oct 10, 2025SECIndex
Sep 12, 20258-K7.019.01Sep 12, 2025SECIndex
Aug 22, 20258-K/A5.07Jun 25, 2025SECIndex
Aug 6, 202510-Q–Jun 29, 2025SECIndex
Aug 6, 20258-K2.029.01Aug 6, 2025SECIndex
Aug 6, 20258-K5.027.019.01Aug 6, 2025SECIndex
Jun 27, 20258-K5.07Jun 25, 2025SECIndex
Jun 27, 20258-K1.012.039.01Jun 27, 2025SECIndex
May 20, 20258-K7.019.01May 20, 2025SECIndex
May 8, 202510-Q–Mar 30, 2025SECIndex
May 8, 20258-K2.029.01May 8, 2025SECIndex
May 1, 20258-K7.019.01May 1, 2025SECIndex
Apr 29, 202510-K/A–Dec 31, 2024SECIndex
Mar 10, 20258-K1.015.027.019.01Mar 10, 2025SECIndex
Mar 3, 202510-K–Dec 31, 2024SECIndex
Feb 27, 20258-K2.029.01Feb 27, 2025SECIndex
Jan 24, 20258-K5.088.01Jan 24, 2025SECIndex
Dec 23, 20248-K1.01Dec 17, 2024SECIndex
Nov 6, 202410-Q–Sep 29, 2024SECIndex
Nov 6, 20248-K2.027.01Nov 6, 2024SECIndex
Oct 15, 20248-K5.02Oct 8, 2024SECIndex