{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-23-000165","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2023-06-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.455491+00:00","generated_at":"2026-06-13T14:30:50.918264+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 EVP & CIO Scott Erkonen departs; interim CIO named","bullets":["Scott Erkonen resigned as EVP and Chief Information Officer effective June 28, 2023 for personal reasons.","Departure qualifies for severance under his employment agreement as if resigned for 'Good Reason'.","No disagreement with company on operations, policies, or practices.","Director of Enterprise Planning Lori Meyer named interim CIO until a permanent replacement is identified."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-23-000165","json":"https://secwatch.observer/filing/0000860413-23-000165.json","markdown":"https://secwatch.observer/filing/0000860413-23-000165.md","text":"https://secwatch.observer/filing/0000860413-23-000165.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000165/0000860413-23-000165-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000165/fibk-20230628.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T14:30:50.918264+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":"6d864ad605","claim":"Lori Meyer was appointed as Interim Chief Information Officer at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"The registrant’s Director of Enterprise Planning, Ms. Lori Meyer, has agreed to serve as the Company's Interim Chief Information Officer until a replacement is identified.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000165/0000860413-23-000165-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Interim Chief Information Officer"}],"fact_type":"executive_change"},{"claim_id":"83da162464","claim":"Scott E. Erkonen departed as Executive Vice President and Chief Information Officer at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"On June 28, 2023, the registrant was notified by Scott E. Erkonen, the registrant’s Executive Vice President and Chief Information Officer, that he was departing from the Company for personal reasons effective immediately, and under circumstances enabling him to receive severance under his employment agreement with the registrant as if it were a resignation for “Good Reason” (as defined in his employment agreement).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000165/0000860413-23-000165-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"departed"},{"label":"Role","value":"Executive Vice President and Chief Information Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}