{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-26-000081","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2026-07-23T20:14:03+00:00","discovered_at":"2026-07-23T20:15:00.406604+00:00","generated_at":"2026-07-23T20:15:13.728274+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"First Interstate Q2 net income $83.9M ($0.87 EPS), up from $0.61 Q1; NIM expands to 3.45%","bullets":["Net income $83.9M ($0.87 diluted EPS) vs $60.2M ($0.61) in Q1 2026 and $71.7M ($0.69) in Q2 2025.","Net interest margin 3.45%, up 4bp QoQ and 15bp YoY; adjusted NIM (ex-accretion) 3.42%.","Completed sale of 11 Nebraska branches with $19.5M gain; deposits down $441.7M (2%) QoQ.","Repurchased 1.93M shares for $68.7M in Q2; board authorized additional $150M repurchase (total $450M).","Criticized loans down $95.8M to $937.4M; net charge-offs $9.7M (0.27% annualized) vs $2.4M (0.06%) prior Q."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-26-000081","json":"https://secwatch.observer/filing/0000860413-26-000081.json","markdown":"https://secwatch.observer/filing/0000860413-26-000081.md","text":"https://secwatch.observer/filing/0000860413-26-000081.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000081/0000860413-26-000081-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000081/fibk-20260723.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-23T20:15:13.728274+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"}