<SEC-DOCUMENT>0000860413-23-000025-index.html : 20230214
<SEC-HEADER>0000860413-23-000025.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214114818
ACCESSION NUMBER:		0000860413-23-000025
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST INTERSTATE BANK
		CENTRAL INDEX KEY:			0001125727
		IRS NUMBER:				816023169
		STATE OF INCORPORATION:			MT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91315
		FILM NUMBER:		23625005

	BUSINESS ADDRESS:	
		STREET 1:		401 NORTH 31ST STREET
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59101
		BUSINESS PHONE:		4062555230

	MAIL ADDRESS:	
		STREET 1:		PO BOX 30918
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST INTERSTATE BANK TRUST FINANCIAL SERVICES
		DATE OF NAME CHANGE:	20001003

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST INTERSTATE BANCSYSTEM INC
		CENTRAL INDEX KEY:			0000860413
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				810331430
		STATE OF INCORPORATION:			MT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 30918
		STREET 2:		401 NO 31ST STREET
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59116-0918
		BUSINESS PHONE:		4062555300

	MAIL ADDRESS:	
		STREET 1:		P O BOX 30918
		STREET 2:		401 NO 31ST STREET
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59116-0918

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST INTERSTATE BANCSYSTEM OF MONTANA INC
		DATE OF NAME CHANGE:	19930615
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc13ga20230214.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: sc13ga20230214.htm

</DOCUMENT>
</SEC-DOCUMENT>