{"schema_version":"secwatch.filing_event.v1","accession":"0001709442-25-000085","form_type":"8-K","ticker":"FSUN","cik":"0001709442","company_name":"FIRSTSUN CAPITAL BANCORP","filed_at":"2025-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.226586+00:00","generated_at":"2026-05-16T14:50:11.225579+00:00","sec_items":["1.01","5.02","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Castle Creek Capital acquires $40M stake in FirstSun, secures board seat; director to resign","bullets":["Castle Creek affiliates acquired $40M of common stock from legacy stockholders, now owns ~4% of FirstSun.","Spencer T. Cohn of Castle Creek will join board upon earlier of merger close with First Foundation Inc. or 2026 annual meeting.","Director Isabella Cunningham announced resignation effective same trigger dates to make room for Castle Creek nominee.","Castle Creek's investment validates FirstSun's pending merger with First Foundation Inc."],"urls":{"canonical":"https://secwatch.observer/filing/0001709442-25-000085","json":"https://secwatch.observer/filing/0001709442-25-000085.json","markdown":"https://secwatch.observer/filing/0001709442-25-000085.md","text":"https://secwatch.observer/filing/0001709442-25-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1709442/000170944225000085/0001709442-25-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1709442/000170944225000085/fcb-20251203.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T14:50:11.225579+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"}