Form 8-K - Current report:
SEC Accession No. 0000860413-25-000114
Filing Date
2025-07-29
Accepted
2025-07-29 16:21:32
Documents
37
Period of Report
2025-07-29
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K fibk-20250729.htm   iXBRL 8-K 32440
2 EX-99.1 fibk-20250630x8kpr.htm EX-99.1 770638
3 EX-99.2 jun2025ip.htm EX-99.2 37884
7 FIBK LOGO fibslogo2linea04a.jpg GRAPHIC 165531
8 GRAPHIC jun2025ip001.jpg GRAPHIC 138878
9 GRAPHIC jun2025ip002.jpg GRAPHIC 285433
10 GRAPHIC jun2025ip003.jpg GRAPHIC 112888
11 GRAPHIC jun2025ip004.jpg GRAPHIC 99957
12 GRAPHIC jun2025ip005.jpg GRAPHIC 125013
13 GRAPHIC jun2025ip006.jpg GRAPHIC 104748
14 GRAPHIC jun2025ip007.jpg GRAPHIC 192418
15 GRAPHIC jun2025ip008.jpg GRAPHIC 88566
16 GRAPHIC jun2025ip009.jpg GRAPHIC 100369
17 GRAPHIC jun2025ip010.jpg GRAPHIC 84955
18 GRAPHIC jun2025ip011.jpg GRAPHIC 84908
19 GRAPHIC jun2025ip012.jpg GRAPHIC 109958
20 GRAPHIC jun2025ip013.jpg GRAPHIC 76964
21 GRAPHIC jun2025ip014.jpg GRAPHIC 107906
22 GRAPHIC jun2025ip015.jpg GRAPHIC 95966
23 GRAPHIC jun2025ip016.jpg GRAPHIC 60669
24 GRAPHIC jun2025ip017.jpg GRAPHIC 88933
25 GRAPHIC jun2025ip018.jpg GRAPHIC 90858
26 GRAPHIC jun2025ip019.jpg GRAPHIC 111642
27 GRAPHIC jun2025ip020.jpg GRAPHIC 277650
28 GRAPHIC jun2025ip021.jpg GRAPHIC 112678
29 GRAPHIC jun2025ip022.jpg GRAPHIC 105950
  Complete submission text file 0000860413-25-000114.txt   4908927

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT fibk-20250729.xsd EX-101.SCH 1773
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT fibk-20250729_lab.xml EX-101.LAB 21885
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT fibk-20250729_pre.xml EX-101.PRE 12502
39 EXTRACTED XBRL INSTANCE DOCUMENT fibk-20250729_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.: 251162165
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)