[ARS] FIRST INTERSTATE BANCSYSTEM INC SEC Filing Filing Impact (Low) Filing Sentiment (Neutral) Form Type ARS 04/16/2026 - 04:07 PM ⛶ Fullscreen ARS - FIRST INTERSTATE BANCSYSTEM INC ARS Filing - FIRST INTERSTATE BANCSYSTEM INC This filing is available as a PDF document. Filing Type: ARS Company: FIRST INTERSTATE BANCSYSTEM INC (FIBK) Acceptance Date: 2026-04-16T16:07:02.000Z View PDF Document Source: View Original Filing on SEC EDGAR