Live feed18:10:00·290dINSIDERFilingvia QuantisnowLarge owner Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees sold $1,711,050 worth of shares (55,000 units at $31.11) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.FIBK· First Interstate BancSystem Inc.FinanceOriginal source