https://www.developersdigest.tech/markets/fibk/filings Latest company filings for FIRST INTERSTATE BANCSYSTEM INC (FIBK) - annual reports, quarterly reports, major events, and insider trades, newest first. en Fri, 10 Jul 2026 04:35:04 GMT https://www.sec.gov/Archives/edgar/data/860413/000162828026038071/fibks-3asrmay2026.htm 0001628280-26-038071 Tue, 26 May 2026 12:00:00 GMT S-3ASR https://www.sec.gov/Archives/edgar/data/860413/000090221926000149/xslSCHEDULE_13G_X02/primary_doc.xml 0000902219-26-000149 Fri, 15 May 2026 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/860413/000086041326000041/fibk-20260511.htm 0000860413-26-000041 Wed, 13 May 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/860413/000086041326000038/fibk-20260331.htm 0000860413-26-000038 Thu, 07 May 2026 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/860413/000149315226020876/xslF345X06/ownership.xml 0001493152-26-020876 Fri, 01 May 2026 12:00:00 GMT 4 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Mon, 24 Nov 2025 12:00:00 GMT 144