FIRST INTERSTATE BANCSYSTEM INC
SEC Filing List

FIBK         CIK: 0000860413

Form Description Owner/Filer Filing Agent Date Actions
8-KCurrent report filingFirst Interstate Bancsystem Inc 07/16/2026
144Filing for proposed sale of securities u...Goldman Sachs & Co. LLC /FA07/16/2026
4Statement of changes in beneficial owner...M2 COMPLIANCE LLC /fa07/16/2026
8-KCurrent report filingFirst Interstate Bancsystem Inc 07/09/2026
4Statement of changes in beneficial owner...M2 COMPLIANCE LLC /fa06/18/2026
4Statement of changes in beneficial owner...M2 COMPLIANCE LLC /fa06/18/2026
4Statement of changes in beneficial owner...M2 COMPLIANCE LLC /fa06/18/2026
144Filing for proposed sale of securities u...Morgan Stanley Smith Barney LLC Executive Services /FA06/18/2026
144Filing for proposed sale of securities u...Goldman Sachs & Co. LLC /FA06/17/2026
4Statement of changes in beneficial owner...M2 COMPLIANCE LLC /fa06/04/2026
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