# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000860413-21-000015
Filing Date
2021-01-28
Accepted
2021-01-28 16:16:52
Documents
77
Period of Report
2021-01-28
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-20210128.htm iXBRL | 8-K | 41322
2 | EX-99.1 | fibk-20201231x8kpr.htm | EX-99.1 | 784623
3 | EX-99.2 | january2021ip.htm | EX-99.2 | 66447
9 | FIBK LOGO | fibslogo2linea041.jpg | GRAPHIC | 165531
10 | GRAPHIC | january2021ip001.jpg | GRAPHIC | 290824
11 | GRAPHIC | january2021ip002.jpg | GRAPHIC | 262641
12 | GRAPHIC | january2021ip003.jpg | GRAPHIC | 135306
13 | GRAPHIC | january2021ip004.jpg | GRAPHIC | 127395
14 | GRAPHIC | january2021ip005.jpg | GRAPHIC | 157997
15 | GRAPHIC | january2021ip006.jpg | GRAPHIC | 126014
16 | GRAPHIC | january2021ip007.jpg | GRAPHIC | 124993
17 | GRAPHIC | january2021ip008.jpg | GRAPHIC | 145673
18 | GRAPHIC | january2021ip009.jpg | GRAPHIC | 133689
19 | GRAPHIC | january2021ip010.jpg | GRAPHIC | 82204
20 | GRAPHIC | january2021ip011.jpg | GRAPHIC | 137301
21 | GRAPHIC | january2021ip012.jpg | GRAPHIC | 79481
22 | GRAPHIC | january2021ip013.jpg | GRAPHIC | 159017
23 | GRAPHIC | january2021ip014.jpg | GRAPHIC | 138643
24 | GRAPHIC | january2021ip015.jpg | GRAPHIC | 168486
25 | GRAPHIC | january2021ip016.jpg | GRAPHIC | 78916
26 | GRAPHIC | january2021ip017.jpg | GRAPHIC | 109607
27 | GRAPHIC | january2021ip018.jpg | GRAPHIC | 121946
28 | GRAPHIC | january2021ip019.jpg | GRAPHIC | 123279
29 | GRAPHIC | january2021ip020.jpg | GRAPHIC | 77663
30 | GRAPHIC | january2021ip021.jpg | GRAPHIC | 139375
31 | GRAPHIC | january2021ip022.jpg | GRAPHIC | 112037
32 | GRAPHIC | january2021ip023.jpg | GRAPHIC | 121584
33 | GRAPHIC | january2021ip024.jpg | GRAPHIC | 126446
34 | GRAPHIC | january2021ip025.jpg | GRAPHIC | 150274
35 | GRAPHIC | january2021ip026.jpg | GRAPHIC | 165176
36 | GRAPHIC | january2021ip027.jpg | GRAPHIC | 144182
37 | GRAPHIC | january2021ip028.jpg | GRAPHIC | 127467
38 | GRAPHIC | january2021ip029.jpg | GRAPHIC | 128428
39 | GRAPHIC | january2021ip030.jpg | GRAPHIC | 138476
40 | GRAPHIC | january2021ip031.jpg | GRAPHIC | 102107
41 | GRAPHIC | january2021ip032.jpg | GRAPHIC | 121688
42 | GRAPHIC | january2021ip033.jpg | GRAPHIC | 141793
43 | GRAPHIC | january2021ip034.jpg | GRAPHIC | 123530
44 | GRAPHIC | january2021ip035.jpg | GRAPHIC | 128743
45 | GRAPHIC | january2021ip036.jpg | GRAPHIC | 125561
46 | GRAPHIC | january2021ip037.jpg | GRAPHIC | 126176
47 | GRAPHIC | january2021ip038.jpg | GRAPHIC | 129703
48 | GRAPHIC | january2021ip039.jpg | GRAPHIC | 125202
49 | GRAPHIC | january2021ip040.jpg | GRAPHIC | 84416
50 | GRAPHIC | january2021ip041.jpg | GRAPHIC | 156718
51 | GRAPHIC | january2021ip042.jpg | GRAPHIC | 172299
52 | GRAPHIC | january2021ip043.jpg | GRAPHIC | 79043
53 | GRAPHIC | january2021ip044.jpg | GRAPHIC | 134568
54 | GRAPHIC | january2021ip045.jpg | GRAPHIC | 114189
55 | GRAPHIC | january2021ip046.jpg | GRAPHIC | 78941
56 | GRAPHIC | january2021ip047.jpg | GRAPHIC | 110042
57 | GRAPHIC | january2021ip048.jpg | GRAPHIC | 128451
58 | GRAPHIC | january2021ip049.jpg | GRAPHIC | 116631
59 | GRAPHIC | january2021ip050.jpg | GRAPHIC | 86163
60 | GRAPHIC | january2021ip051.jpg | GRAPHIC | 119592
61 | GRAPHIC | january2021ip052.jpg | GRAPHIC | 116001
62 | GRAPHIC | january2021ip053.jpg | GRAPHIC | 73243
63 | GRAPHIC | january2021ip054.jpg | GRAPHIC | 133591
64 | GRAPHIC | january2021ip055.jpg | GRAPHIC | 169053
65 | GRAPHIC | january2021ip056.jpg | GRAPHIC | 171878
66 | GRAPHIC | january2021ip057.jpg | GRAPHIC | 171857
67 | GRAPHIC | january2021ip058.jpg | GRAPHIC | 172361
68 | GRAPHIC | january2021ip059.jpg | GRAPHIC | 176576
69 | GRAPHIC | january2021ip060.jpg | GRAPHIC | 172167
| Complete submission text file | 0000860413-21-000015.txt |  | 12359217

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | fibk-20210128.xsd | EX-101.SCH | 2411
5 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | fibk-20210128_cal.xml | EX-101.CAL | 702
6 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | fibk-20210128_def.xml | EX-101.DEF | 1635
7 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | fibk-20210128_lab.xml | EX-101.LAB | 24275
8 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | fibk-20210128_pre.xml | EX-101.PRE | 12638
70 | EXTRACTED XBRL INSTANCE DOCUMENT | fibk-20210128_htm.xml | XML | 10901

Mailing Address P O BOX 30918 401 NO 31ST STREET BILLINGS MT 59116-0918
Business Address P O BOX 30918 401 NO 31ST STREET BILLINGS MT 59116-0918 4062555300
FIRST INTERSTATE BANCSYSTEM INC (Filer) CIK: 0000860413 (see all company filings)

EIN.: 810331430 | State of Incorp.: MT | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-34653 | Film No.: 21565158
SIC: 6022 State Commercial Banks