{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-018624","form_type":"8-K","ticker":"SEG","cik":"0002009684","company_name":"Seaport Entertainment Group Inc.","filed_at":"2026-02-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.981418+00:00","generated_at":"2026-05-16T01:16:43.251898+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"SEG announces Balloon Museum as new Tin Building tenant; Tin Building by Jean-Georges closes","bullets":["Balloon Museum will open U.S. flagship at Tin Building in Summer 2026 under 5-year lease with two 5-year renewal options.","Tin Building by Jean-Georges operations closed effective Feb 23, 2026; License Agreement with JG terminated.","SEG retains 25% minority stake in Jean-Georges Restaurants; partnership continues.","Balloon Museum exhibition will feature new commissioned works by internationally renowned artists."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-018624","json":"https://secwatch.observer/filing/0001104659-26-018624.json","markdown":"https://secwatch.observer/filing/0001104659-26-018624.md","text":"https://secwatch.observer/filing/0001104659-26-018624.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2009684/000110465926018624/0001104659-26-018624-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2009684/000110465926018624/seg-20260223x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T01:16:43.251898+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}