Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000860413-25-000127
Filing Date
2025-08-21
Accepted
2025-08-21 14:09:34
Documents
1
Period of Report
2025-08-13

Document Format Files

Seq Description Document Type Size
1 FORM 3 wk-form3_1755799771.html 3  
1 FORM 3 wk-form3_1755799771.xml 3 2416
  Complete submission text file 0000860413-25-000127.txt   3925
Mailing Address 401 NO 31ST STREET BILLINGS MT 59101
Business Address 401 NO 31ST STREET BILLINGS MT 59101 4062555311
FIRST INTERSTATE BANCSYSTEM INC (Issuer) CIK: 0000860413 (see all company filings)

EIN.: 810331430 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)

Mailing Address 300 PARK BLVD SUITE 405 ITASCA IL 60143
Business Address
SCUDDER MICHAEL L (Reporting) CIK: 0001199246 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-34653 | Film No.: 251240087