Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001930719-26-000002
Filing Date
2026-03-17
Accepted
2026-03-17 18:11:06
Documents
1
Period of Report
2026-03-15

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1773785464.html 4  
1 FORM 4 wk-form4_1773785464.xml 4 3495
  Complete submission text file 0001930719-26-000002.txt   4980
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 PO BOX 30918 BILLINGS MT 59116
Business Address
Robbins Kristina (Reporting) CIK: 0001930719 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34653 | Film No.: 26763939