{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-25-000147","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2025-09-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.508720+00:00","generated_at":"2026-05-17T07:25:55.370516+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"First Interstate splits CBO role into co-CBOs; hires Chris Shepler from Wells Fargo","bullets":["Lorrie Asker (current CBO) appointed Co-CBO covering Arizona, Idaho, Montana, Oregon, Washington, Wyoming.","Chris Shepler joins from Wells Fargo as Co-CBO covering Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota.","Effective September 10, 2025; no changes to Asker's employment terms other than title and responsibilities."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-25-000147","json":"https://secwatch.observer/filing/0000860413-25-000147.json","markdown":"https://secwatch.observer/filing/0000860413-25-000147.md","text":"https://secwatch.observer/filing/0000860413-25-000147.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/0000860413-25-000147-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/fibk-20250903.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T07:25:55.370516+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"}