Form 8-K - Current report:
SEC Accession No. 0000860413-25-000051
Filing Date
2025-04-28
Accepted
2025-04-28 16:05:17
Documents
16
Period of Report
2025-04-28
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K fibk-20250428.htm   iXBRL 8-K 37875
2 EX-99.1 fibk-20250428x8kprxaz_ks.htm EX-99.1 28976
6 EFSC LOGO image_0a.jpg GRAPHIC 37290
7 FIBK LOGO image_1a.jpg GRAPHIC 25135
  Complete submission text file 0000860413-25-000051.txt   286474

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT fibk-20250428.xsd EX-101.SCH 1773
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT fibk-20250428_lab.xml EX-101.LAB 21885
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT fibk-20250428_pre.xml EX-101.PRE 12502
18 EXTRACTED XBRL INSTANCE DOCUMENT fibk-20250428_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.: 25880241
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)