{"schema_version":"secwatch.filing_event.v1","accession":"0000860413-25-000070","form_type":"8-K","ticker":"FIBK","cik":"0000860413","company_name":"FIRST INTERSTATE BANCSYSTEM INC","filed_at":"2025-05-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.492760+00:00","generated_at":"2026-05-20T16:46:56.570194+00:00","sec_items":["5.02","5.03","5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"First Interstate appoints James R. Scott Jr. to board, adopts director resignation policy","bullets":["James R. Scott Jr. appointed Class III director, effective May 21, 2025, filling father's vacancy.","Scott is not independent due to recent employment; received ~$220K in 2024 compensation from bank.","Board approved amended bylaws adding director resignation policy and plurality vote in contested elections.","Annual meeting: four Class I directors elected, say-on-pay approved (96.4% support), auditor ratified.","Board now has 12 members equally divided among three classes; Scott joins Risk and Tech committees."],"urls":{"canonical":"https://secwatch.observer/filing/0000860413-25-000070","json":"https://secwatch.observer/filing/0000860413-25-000070.json","markdown":"https://secwatch.observer/filing/0000860413-25-000070.md","text":"https://secwatch.observer/filing/0000860413-25-000070.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000070/0000860413-25-000070-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000070/fibk-20250520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T16:46:56.570194+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":"4e2f6e7c13","claim":"James R. Scott, Jr. was appointed as Class III Director at FIRST INTERSTATE BANCSYSTEM INC.","evidence_excerpt":"On May 21, 2025, the Board of Directors (the “Board”) of First Interstate BancSystem, Inc. (the “Company”) appointed Mr. James R. Scott, Jr. to serve as a Class III director on the Board with a term expiring at the Company’s 2027 annual meeting of shareholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000070/0000860413-25-000070-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class III Director"}],"fact_type":"executive_change"},{"claim_id":"5658b6edf318cbbb4f7074215659e22e0fff5893","claim":"FIRST INTERSTATE BANCSYSTEM INC: Adopted amended and restated bylaws with director resignation policy and plurality vote standard for contested elections (effective 2025-05-21).","evidence_excerpt":"On May 21, 2025, the Board approved and adopted amended and restated bylaws (the “Amended and Restated Bylaws”) of the Company, which became effective immediately. The Amended and Restated Bylaws implement the following changes: • Adopt a director resignation policy","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/860413/000086041325000070/0000860413-25-000070-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2025-05-21"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}