{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-021051","form_type":"8-K","ticker":"FUN","cik":"0001999001","company_name":"Six Flags Entertainment Corporation/NEW","filed_at":"2026-01-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.961552+00:00","generated_at":"2026-05-16T08:33:57.725410+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Six Flags amends Dendur cooperation agreement to permit up to 14.99% economic exposure via cash-settled derivatives","bullets":["Amendment raises Dendur's beneficial ownership cap from 6% to 14.99% for aggregate economic exposure.","Dendur may now acquire cash-settled derivative securities decoupled from common stock.","No other changes to the March 10, 2025 Cooperation Agreement.","Amendment effective January 21, 2026; filed as Exhibit 10.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-021051","json":"https://secwatch.observer/filing/0001193125-26-021051.json","markdown":"https://secwatch.observer/filing/0001193125-26-021051.md","text":"https://secwatch.observer/filing/0001193125-26-021051.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1999001/000119312526021051/0001193125-26-021051-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1999001/000119312526021051/d62033d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T08:33:57.725410+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"f4a9e3010321c66e89158c715e3911c999ac173a","claim":"Six Flags Entertainment Corporation/NEW amended Amendment with Dendur Capital LP and certain of its affiliates (effective 2026-01-21).","evidence_excerpt":"On January 21, 2026, Six Flags Entertainment Corporation (the \" Company \") entered into an amendment (the \" Amendment \") to the cooperation agreement (the \" Cooperation Agreement \") with Dendur Capital LP and certain of its affiliates (together, \" Dendur \"), dated March 10, 2025.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1999001/000119312526021051/0001193125-26-021051-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Counterparty","value":"Dendur Capital LP and certain of its affiliates"},{"label":"Effective","value":"2026-01-21"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}