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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)

IRS No.: 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)