{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-26-000034","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2026-04-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.828655+00:00","generated_at":"2026-05-15T02:36:31.502825+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"First Interstate Q1 net income $60.2M ($0.61 EPS); NIM expands to 3.41%; share repurchase $84M","bullets":["Net income $60.2M ($0.61 diluted EPS) vs $108.8M ($1.08) in Q4 2025, which included $62.7M branch sale gain; YoY up from $50.2M ($0.49).","Net interest margin 3.41%, up 5 bps QoQ and 22 bps YoY; net interest income $200.7M.","Net charge-offs fell to $2.4M (0.06% annualized) from $22.1M (0.56%) in Q4 2025.","Repurchased 2.39M shares for ~$84M in Q1; board authorized additional $150M (total $300M).","Non-performing assets rose 17.5% to $162.5M; criticized loans down $18.6M to $1.03B."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-26-000034","json":"https://secwatch.observer/filing/0000860413-26-000034.json","markdown":"https://secwatch.observer/filing/0000860413-26-000034.md","text":"https://secwatch.observer/filing/0000860413-26-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000034/0000860413-26-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000034/fibk-20260429.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T02:36:31.502825+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":"4ab41f31a924857309d3f084229dfa7dcc9b89fd","claim":"FIRST INTERSTATE BANCSYSTEM INC reported the first quarter of 2026 results: net income net income of $60.2 million, EPS $0.61 per diluted share.","evidence_excerpt":"For the quarter, the Company reported net income of $60.2 million, or $0.61 per diluted share, which compares to net income of $108.8 million, or $1.08 per diluted share, for the fourth quarter of 2025 and net income of $50.2 million, or $0.49 per diluted share, for the first quarter of 2025.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000034/0000860413-26-000034-index.htm","confidence":0.99,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the first quarter of 2026"},{"label":"Net income","value":"net income of $60.2 million"},{"label":"EPS","value":"$0.61 per diluted share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}