{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-065784","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2025-07-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.507460+00:00","generated_at":"2026-05-18T09:33:25.687454+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"First Interstate to redeem $100M subordinated notes due 2030 on August 15, 2025","bullets":["Redeeming all $100M of 5.25% Fixed-to-Floating Rate Subordinated Notes due 2030.","Redemption price is 100% of principal plus accrued unpaid interest to August 15, 2025.","Interest ceases to accrue on redemption date unless default in payment occurs.","No notes will remain outstanding following the redemption."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-065784","json":"https://secwatch.observer/filing/0001104659-25-065784.json","markdown":"https://secwatch.observer/filing/0001104659-25-065784.md","text":"https://secwatch.observer/filing/0001104659-25-065784.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000110465925065784/0001104659-25-065784-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000110465925065784/tm2519885d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T09:33:25.687454+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"}