Form 8-K - Current report:
SEC Accession No. 0000860413-25-000036
Filing Date
2025-03-19
Accepted
2025-03-19 17:15:30
Documents
13
Period of Report
2025-03-14
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K fibk-20250314.htm   iXBRL 8-K 30605
  Complete submission text file 0000860413-25-000036.txt   154050

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT fibk-20250314.xsd EX-101.SCH 1773
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT fibk-20250314_lab.xml EX-101.LAB 21885
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT fibk-20250314_pre.xml EX-101.PRE 12502
15 EXTRACTED XBRL INSTANCE DOCUMENT fibk-20250314_htm.xml XML 2723
Mailing Address 401 NO 31ST STREET BILLINGS MT 59101
Business Address 401 NO 31ST STREET BILLINGS MT 59101 4062555311
FIRST INTERSTATE BANCSYSTEM INC (Filer) CIK: 0000860413 (see all company filings)

EIN.: 810331430 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-34653 | Film No.: 25753685
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)