Six Flags Entertainment Corporation/NEW SEC filings

CIK 1999001

dateformdocument
2026-08-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-26-000410.txt
2026-08-124https://www.sec.gov/Archives/edgar/data/1999001/0001671356-26-000005.txt
2026-08-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000094.txt
2026-08-0610-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000096.txt
2026-07-314https://www.sec.gov/Archives/edgar/data/1999001/0002139766-26-000004.txt
2026-07-314https://www.sec.gov/Archives/edgar/data/1999001/0001522836-26-000005.txt
2026-07-314https://www.sec.gov/Archives/edgar/data/1999001/0001361509-26-000008.txt
2026-07-30SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0002012383-26-003196.txt
2026-07-173https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000089.txt
2026-07-028-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000087.txt
2026-07-018-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000083.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0002139766-26-000002.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0002136794-26-000004.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0002028519-26-000002.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0001671356-26-000003.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0001522836-26-000003.txt
2026-06-294https://www.sec.gov/Archives/edgar/data/1999001/0001361509-26-000006.txt
2026-06-173https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000078.txt
2026-06-164https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000075.txt
2026-06-033https://www.sec.gov/Archives/edgar/data/1999001/0002136794-26-000002.txt
2026-05-278-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000072.txt
2026-05-278-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-242212.txt
2026-05-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000071.txt
2026-05-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000070.txt
2026-05-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000065.txt
2026-05-208-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-232593.txt
2026-05-15SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-26-000272.txt
2026-05-144https://www.sec.gov/Archives/edgar/data/1999001/0001201647-26-000008.txt
2026-05-144https://www.sec.gov/Archives/edgar/data/1999001/0001200754-26-000003.txt
2026-05-12SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000895421-26-000161.txt
2026-05-078-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000053.txt
2026-05-078-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-212477.txt
2026-05-0710-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000057.txt
2026-04-29SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/1999001/0002100121-26-000719.txt
2026-04-204https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000051.txt
2026-04-09DEF 14Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-149736.txt
2026-04-09ARShttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-149740.txt
2026-04-098-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-148589.txt
2026-04-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-143825.txt
2026-04-063https://www.sec.gov/Archives/edgar/data/1999001/0001201647-26-000004.txt
2026-03-27SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000102909-26-002251.txt
2026-03-258-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-124392.txt
2026-03-138-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-106226.txt
2026-03-058-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-092688.txt
2026-02-2610-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000048.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000043.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000042.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000041.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000040.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000039.txt
2026-02-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000038.txt
2026-02-198-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000022.txt
2026-02-13SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-26-000085.txt
2026-02-12SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000895421-26-000057.txt
2026-01-238-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-021051.txt
2026-01-148-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-012924.txt
2026-01-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-003472.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000019.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000018.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000017.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000016.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000015.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000014.txt
2026-01-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000013.txt
2026-01-058-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-002779.txt
2026-01-058-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-26-002477.txt
2026-01-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000005.txt
2026-01-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-26-000002.txt
2025-12-294https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000183.txt
2025-12-238-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-330990.txt
2025-12-094https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000181.txt
2025-12-094https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000179.txt
2025-12-093https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000180.txt
2025-11-248-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-293793.txt
2025-11-07SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/1999001/0000895421-25-000554.txt
2025-11-078-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000171.txt
2025-11-0710-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000175.txt
2025-10-273https://www.sec.gov/Archives/edgar/data/1999001/0001104659-25-102675.txt
2025-10-178-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-242513.txt
2025-10-108-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-237126.txt
2025-09-128-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000164.txt
2025-08-254https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000161.txt
2025-08-228-K/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000159.txt
2025-08-14SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-25-000523.txt
2025-08-084https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000156.txt
2025-08-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000152.txt
2025-08-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-174048.txt
2025-08-0610-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000154.txt
2025-06-278-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000129.txt
2025-06-278-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-151406.txt
2025-06-274https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000147.txt
2025-06-274https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000143.txt
2025-06-274https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000141.txt
2025-06-274https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000139.txt
2025-06-274https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000131.txt
2025-06-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000145.txt
2025-06-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000137.txt
2025-06-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000135.txt
2025-06-273https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000133.txt
2025-06-244https://www.sec.gov/Archives/edgar/data/1999001/0001628280-25-032848.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000120.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000119.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000118.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000117.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000116.txt
2025-06-054https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000115.txt
2025-05-208-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000108.txt
2025-05-15SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-25-000354.txt
2025-05-124https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000105.txt
2025-05-12144https://www.sec.gov/Archives/edgar/data/1999001/0001950047-25-002880.txt
2025-05-09DEF 14Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-116917.txt
2025-05-09ARShttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-116920.txt
2025-05-088-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000100.txt
2025-05-0810-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000103.txt
2025-05-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000097.txt
2025-05-018-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-110131.txt
2025-04-2910-K/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-103991.txt
2025-04-14SCHEDULE 13D/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000950170-25-053485.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000094.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000093.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000092.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000091.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000090.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000089.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000088.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000087.txt
2025-04-024https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000086.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000076.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000075.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000074.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000073.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000072.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000071.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000070.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000069.txt
2025-03-284https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000068.txt
2025-03-184https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000054.txt
2025-03-14144https://www.sec.gov/Archives/edgar/data/1999001/0001959173-25-002034.txt
2025-03-11SCHEDULE 13Ghttps://www.sec.gov/Archives/edgar/data/1999001/0000935836-25-000219.txt
2025-03-108-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-050940.txt
2025-03-0310-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000052.txt
2025-02-278-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000048.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000045.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000043.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000041.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000039.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000037.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000035.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000033.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000031.txt
2025-02-264https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000029.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000027.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000025.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000023.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000021.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000019.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000017.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000015.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000013.txt
2025-02-074https://www.sec.gov/Archives/edgar/data/1999001/0001999001-25-000011.txt
2025-01-248-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-25-012320.txt
2025-01-08SCHEDULE 13G/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0000932471-25-000039.txt
2024-12-238-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-284176.txt
2024-12-164https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000048.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000045.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000044.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000043.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000042.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000041.txt
2024-12-064https://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000040.txt
2024-11-068-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000025.txt
2024-11-0610-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000027.txt
2024-10-158-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-237673.txt
2024-09-168-K12B/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-219635.txt
2024-09-038-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000016.txt
2024-08-088-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000014.txt
2024-08-088-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000010.txt
2024-08-0810-Qhttps://www.sec.gov/Archives/edgar/data/1999001/0001999001-24-000012.txt
2024-07-088-Khttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-176370.txt
2024-07-03SC 13Dhttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-175123.txt
2024-07-033https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-081646.txt
2024-07-01S-8https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-173450.txt
2024-07-018-K12Bhttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-173290.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079992.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079990.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079989.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079988.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079987.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079984.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079983.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079978.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079976.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079969.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079968.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079967.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079961.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079959.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079957.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079956.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079954.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079952.txt
2024-07-013https://www.sec.gov/Archives/edgar/data/1999001/0000950170-24-079949.txt
2024-06-26425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-168500.txt
2024-06-18425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-163055.txt
2024-04-16425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-097873.txt
2024-03-12425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-065980.txt
2024-03-04425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-058043.txt
2024-01-31EFFECThttps://www.sec.gov/Archives/edgar/data/1999001/9999999995-24-000264.txt
2024-01-31424B3https://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-020999.txt
2024-01-29S-4/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-018313.txt
2024-01-29CORRESPhttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-018325.txt
2024-01-26S-4/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-016759.txt
2024-01-17S-4/Ahttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-009296.txt
2024-01-17CORRESPhttps://www.sec.gov/Archives/edgar/data/1999001/0001193125-24-009297.txt
2024-01-11UPLOADhttps://www.sec.gov/Archives/edgar/data/1999001/0000000000-24-000377.txt
2023-12-22S-4https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-302194.txt
2023-11-13425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-276191.txt
2023-11-03425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-270507.txt
2023-11-03425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-270479.txt
2023-11-03425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-270470.txt
2023-11-02425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-269528.txt
2023-11-02425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-269527.txt
2023-11-02425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-269522.txt
2023-11-02425https://www.sec.gov/Archives/edgar/data/1999001/0001193125-23-269519.txt

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