secwatch.observer — SEC 8-K summary ====================================== Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK) CIK: 0000860413 Form: 8-K Filed at: 2025-11-18T23:59:59+00:00 Accession: 0000860413-25-000168 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 First Interstate appoints sole CBO; Co-CBO Asker transitions to advisor ----------------------------------------------------------------------- - Lorrie Asker stepped down as Co-CBO on Nov 14, 2025; will serve as executive advisor to CEO through Q1 2026. - Chris Shepler named sole Chief Banking Officer; entered employment agreement with $480,000 base salary. - Shepler granted performance-based RSUs with $50,000 grant date value. - Shepler's agreement includes severance: 1x salary plus avg bonus (non-cause), or 2x salary plus 2x target bonus (change in control). Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000168/0000860413-25-000168-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/860413/000086041325000168/fibk-20251114.htm HTML page: https://secwatch.observer/filing/0000860413-25-000168 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer