# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000860413-24-000016
Filing Date
2024-02-29
Accepted
2024-02-29 14:46:18
Documents
153
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | fibk-20231231.htm iXBRL | 10-K | 5703589
2 | EX-4.1 | fibk-20231231xex41_descxse.htm | EX-4.1 | 11958
3 | EX-10.12 | fibk-20240226xex1012rsuagmt.htm | EX-10.12 | 72912
4 | EX-10.13 | fibk-20240226xex1013rsuagm.htm | EX-10.13 | 97424
5 | EX-10.14 | fibk-20240226xex1014_prsur.htm | EX-10.14 | 94595
6 | EX-10.15 | fibk-20240226xex1015_prsut.htm | EX-10.15 | 94631
7 | EX-10.16 | fibk-20240226xex1016_prsur.htm | EX-10.16 | 121226
8 | EX-10.17 | fibk-20240226xex1017_prsut.htm | EX-10.17 | 122320
9 | EX-10.18 | fibk-20231231xex1018_direc.htm | EX-10.18 | 11510
10 | EX-10.23 | fibk-20240123xex1023_robbi.htm | EX-10.23 | 111741
11 | EX-14.1 | fibk-20231231xex141_codeof.htm | EX-14.1 | 25316
12 | EX-23.1 | fibk-20231231xex231_consen.htm | EX-23.1 | 3370
13 | EX-31.1 | fibk-20231231xex311_certxc.htm | EX-31.1 | 9996
14 | EX-31.2 | fibk-20231231xex312_certxc.htm | EX-31.2 | 9960
15 | EX-32 | fibk-20231231xex32_section.htm | EX-32 | 6183
16 | EX-97 | fibk-20231231xex97_clawback.htm | EX-97 | 37045
22 | GRAPHIC | fibk-20231231_g1.jpg | GRAPHIC | 141355
23 | GRAPHIC | image_0.jpg | GRAPHIC | 54496
| Complete submission text file | 0000860413-24-000016.txt |  | 30079062

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
17 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | fibk-20231231.xsd | EX-101.SCH | 135121
18 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | fibk-20231231_cal.xml | EX-101.CAL | 218258
19 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | fibk-20231231_def.xml | EX-101.DEF | 1016146
20 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | fibk-20231231_lab.xml | EX-101.LAB | 1742022
21 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | fibk-20231231_pre.xml | EX-101.PRE | 1346307
155 | EXTRACTED XBRL INSTANCE DOCUMENT | fibk-20231231_htm.xml | XML | 5960593

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: 10-K | Act: 34 | File No.: 001-34653 | Film No.: 24702882
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)