{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-26-000075","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2026-07-09T20:02:59+00:00","discovered_at":"2026-07-09T20:04:03.577018+00:00","generated_at":"2026-07-09T20:04:13.581623+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"First Interstate BancSystem terminates EVP & General Counsel Kirk D. Jensen without cause","bullets":["Effective July 9, 2026, Kirk D. Jensen involuntarily terminated as EVP, General Counsel/Corporate Secretary without cause.","Termination not related to any disagreement over financial reporting, operations, policies, or practices.","Company will conduct national search for replacement; in-house lawyers will handle duties until successor appointed."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-26-000075","json":"https://secwatch.observer/filing/0000860413-26-000075.json","markdown":"https://secwatch.observer/filing/0000860413-26-000075.md","text":"https://secwatch.observer/filing/0000860413-26-000075.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000075/0000860413-26-000075-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000075/fibk-20260709.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-09T20:04:13.581623+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":"bf4aaaeff2","claim":"Kirk D. Jensen was terminated as Executive Vice President and General Counsel/Corporate Secretary at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"Effective July 9, 2026, the employment of Mr. Kirk D. Jensen with the registrant and its wholly owned subsidiary First Interstate Bank as Executive Vice President and General Counsel/Corporate Secretary was terminated involuntarily and without cause","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041326000075/0000860413-26-000075-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"terminated"},{"label":"Role","value":"Executive Vice President and General Counsel/Corporate Secretary"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}