{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-24-000125","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2024-10-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.168557+00:00","generated_at":"2026-05-30T17:36:13.104482+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"First Interstate appoints James Reuter as President and CEO effective Nov 1, 2024","bullets":["James Reuter named President and CEO effective November 1, 2024, succeeding Kevin Riley.","Reuter previously President and CEO of FirstBank, growing assets from $17B to $28B.","Employment agreement includes $1M base salary and $2M sign-on long-term incentive grant.","Kevin Riley will serve as Special Advisor to the Board Chair through January 1, 2025.","Reuter brings 37+ years of banking experience; Board cites strong strategic and cultural fit."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-24-000125","json":"https://secwatch.observer/filing/0000860413-24-000125.json","markdown":"https://secwatch.observer/filing/0000860413-24-000125.md","text":"https://secwatch.observer/filing/0000860413-24-000125.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/0000860413-24-000125-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/fibk-20241009.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T17:36:13.104482+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":"457f20e131","claim":"James A. Reuter was appointed as member of the board of directors at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"Mr. Reuter will be appointed as a member of the Company’s board of directors","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/0000860413-24-000125-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"member of the board of directors"}],"fact_type":"executive_change"},{"claim_id":"46e344e184","claim":"Kevin P. Riley departed as President and Chief Executive Officer at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"Kevin P. Riley, who, as the Company previously announced on June 14, 2024, will be departing as President and CEO in connection with his successor taking over those positions","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/0000860413-24-000125-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"departing"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"4ec27e0871","claim":"Kevin P. Riley departed as member of the board of directors at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"Mr. Riley will step down as a member of the Board at that time","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/0000860413-24-000125-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"member of the board of directors"}],"fact_type":"executive_change"},{"claim_id":"c5c142e290","claim":"James A. Reuter was appointed as President and Chief Executive Officer at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"appointment of James A. Reuter as the Company’s President and Chief Executive Officer (\"CEO\"), effective end of day on November 1, 2024","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000125/0000860413-24-000125-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}