Live feed16:35:06·343dSECFilingvia QuantisnowFirst Interstate BancSystem Inc. filed SEC Form 8-K: Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Submission of Matters to a Vote of Security Holders, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.FIBK· First Interstate BancSystem Inc.FinanceOriginal source