# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000860413-24-000053
Filing Date
2024-04-11
Accepted
2024-04-11 16:24:07
Documents
64
Period of Report
2024-04-11

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | fibk-20240411.htm iXBRL | DEF 14A | 4288834
6 | GRAPHIC | fibk-20240411_g1.jpg | GRAPHIC | 48081
7 | GRAPHIC | fibk-20240411_g10.gif | GRAPHIC | 253233
8 | GRAPHIC | fibk-20240411_g11.jpg | GRAPHIC | 344242
9 | GRAPHIC | fibk-20240411_g12.jpg | GRAPHIC | 482833
10 | GRAPHIC | fibk-20240411_g13.jpg | GRAPHIC | 59383
11 | GRAPHIC | fibk-20240411_g14.jpg | GRAPHIC | 156014
12 | GRAPHIC | fibk-20240411_g15.jpg | GRAPHIC | 41947
13 | GRAPHIC | fibk-20240411_g16.jpg | GRAPHIC | 43034
14 | GRAPHIC | fibk-20240411_g17.jpg | GRAPHIC | 41140
15 | GRAPHIC | fibk-20240411_g18.jpg | GRAPHIC | 43893
16 | GRAPHIC | fibk-20240411_g19.jpg | GRAPHIC | 47642
17 | GRAPHIC | fibk-20240411_g2.jpg | GRAPHIC | 2013029
18 | GRAPHIC | fibk-20240411_g20.jpg | GRAPHIC | 43462
19 | GRAPHIC | fibk-20240411_g21.jpg | GRAPHIC | 42270
20 | GRAPHIC | fibk-20240411_g22.jpg | GRAPHIC | 42569
21 | GRAPHIC | fibk-20240411_g23.jpg | GRAPHIC | 45840
22 | GRAPHIC | fibk-20240411_g24.jpg | GRAPHIC | 46420
23 | GRAPHIC | fibk-20240411_g25.jpg | GRAPHIC | 44297
24 | GRAPHIC | fibk-20240411_g26.jpg | GRAPHIC | 43510
25 | GRAPHIC | fibk-20240411_g27.jpg | GRAPHIC | 42132
26 | GRAPHIC | fibk-20240411_g28.jpg | GRAPHIC | 43126
27 | GRAPHIC | fibk-20240411_g29.jpg | GRAPHIC | 77511
28 | GRAPHIC | fibk-20240411_g3.jpg | GRAPHIC | 449869
29 | GRAPHIC | fibk-20240411_g30.jpg | GRAPHIC | 66473
30 | GRAPHIC | fibk-20240411_g31.jpg | GRAPHIC | 68954
31 | GRAPHIC | fibk-20240411_g32.jpg | GRAPHIC | 50257
32 | GRAPHIC | fibk-20240411_g33.jpg | GRAPHIC | 43656
33 | GRAPHIC | fibk-20240411_g34.jpg | GRAPHIC | 41909
34 | GRAPHIC | fibk-20240411_g35.jpg | GRAPHIC | 43361
35 | GRAPHIC | fibk-20240411_g36.jpg | GRAPHIC | 44546
36 | GRAPHIC | fibk-20240411_g37.jpg | GRAPHIC | 41504
37 | GRAPHIC | fibk-20240411_g38.gif | GRAPHIC | 35245
38 | GRAPHIC | fibk-20240411_g39.gif | GRAPHIC | 31818
39 | GRAPHIC | fibk-20240411_g4.jpg | GRAPHIC | 7749
40 | GRAPHIC | fibk-20240411_g40.gif | GRAPHIC | 34528
41 | GRAPHIC | fibk-20240411_g41.gif | GRAPHIC | 205964
42 | GRAPHIC | fibk-20240411_g42.jpg | GRAPHIC | 343661
43 | GRAPHIC | fibk-20240411_g43.gif | GRAPHIC | 21116
44 | GRAPHIC | fibk-20240411_g44.gif | GRAPHIC | 27687
45 | GRAPHIC | fibk-20240411_g45.gif | GRAPHIC | 64300
46 | GRAPHIC | fibk-20240411_g46.gif | GRAPHIC | 59407
47 | GRAPHIC | fibk-20240411_g47.gif | GRAPHIC | 62501
48 | GRAPHIC | fibk-20240411_g48.jpg | GRAPHIC | 257823
49 | GRAPHIC | fibk-20240411_g49.jpg | GRAPHIC | 299716
50 | GRAPHIC | fibk-20240411_g5.jpg | GRAPHIC | 232649
51 | GRAPHIC | fibk-20240411_g50.jpg | GRAPHIC | 157092
52 | GRAPHIC | fibk-20240411_g6.jpg | GRAPHIC | 338940
53 | GRAPHIC | fibk-20240411_g7.gif | GRAPHIC | 69821
54 | GRAPHIC | fibk-20240411_g8.gif | GRAPHIC | 60688
55 | GRAPHIC | fibk-20240411_g9.gif | GRAPHIC | 140551
| Complete submission text file | 0000860413-24-000053.txt |  | 23567829

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | fibk-20240411.xsd | EX-101.SCH | 4511
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | fibk-20240411_def.xml | EX-101.DEF | 6291
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | fibk-20240411_lab.xml | EX-101.LAB | 9629
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | fibk-20240411_pre.xml | EX-101.PRE | 5258
67 | EXTRACTED XBRL INSTANCE DOCUMENT | fibk-20240411_htm.xml | XML | 150024

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: DEF 14A | Act: 34 | File No.: 001-34653 | Film No.: 24838794
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)