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Mailing Address 401 NO 31ST STREET BILLINGS MT 59101
Business Address 401 NO 31ST STREET BILLINGS MT 59101 4062555311
FIRST INTERSTATE BANCSYSTEM INC CIK#: 0000860413 (see all company filings)

SIC: 6022 - STATE COMMERCIAL BANKS
State location: MT | State of Inc.: DE | Fiscal Year End: 1231
formerly: FIRST INTERSTATE BANCSYSTEM OF MONTANA INC (filings through 1999-03-09)
(CF Office: 02 Finance)
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Items 1 - 40  0000860413 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000860413-24-000059 (34 Act)  Size: 4 MB
2024-04-24 001-34653
24870638
ARS  Documents Annual Report to Security Holders
Acc-no: 0000860413-24-000055 (34 Act)  Size: 41 MB
2024-04-11 001-34653
24838826
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000860413-24-000054 (34 Act)  Size: 220 KB
2024-04-11 001-34653
24838806
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000860413-24-000053 (34 Act)  Size: 23 MB
2024-04-11 001-34653
24838794
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000860413-24-000047 (34 Act)  Size: 176 KB
2024-04-04 001-34653
24823785
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001493152-24-013148 (34 Act)  Size: 195 KB
2024-04-04 005-78756
24822682
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000860413-24-000016 (34 Act)  Size: 30 MB
2024-02-29 001-34653
24702882
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020940 (34 Act)  Size: 13 KB
2024-02-13 005-78756
24628400
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001186 (34 Act)  Size: 8 KB
2024-02-09 005-78756
24611627
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000860413-24-000003 (34 Act)  Size: 4 MB
2024-01-30 001-34653
24578459
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001023875-24-000012 (34 Act)  Size: 94 KB
2024-01-30 005-78756
24576923
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-004329 (34 Act)  Size: 13 KB
2024-01-26 005-78756
24565832
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001493152-23-045764 (34 Act)  Size: 332 KB
2023-12-21 005-78756
231506409
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0000860413-23-000202 (34 Act)  Size: 206 KB
2023-12-14 001-34653
231488045
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000860413-23-000194 (34 Act)  Size: 541 KB
2023-12-01 001-34653
231458048
8-K  Documents   Interactive Data Current report, items 4.01 and 9.01
Acc-no: 0000860413-23-000190 (34 Act)  Size: 172 KB
2023-11-30 001-34653
231455567
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000860413-23-000186 (34 Act)  Size: 24 MB
2023-11-03 001-34653
231375530
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000860413-23-000182 (34 Act)  Size: 4 MB
2023-10-25 001-34653
231346117
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000860413-23-000174 (34 Act)  Size: 542 KB
2023-08-28 001-34653
231214383
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000860413-23-000171 (34 Act)  Size: 24 MB
2023-08-04 001-34653
231143287
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000860413-23-000168 (34 Act)  Size: 5 MB
2023-07-26 001-34653
231113529
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000860413-23-000165 (34 Act)  Size: 158 KB
2023-06-30 001-34653
231062789
S-3ASR  Documents Automatic shelf registration statement of securities of well-known seasoned issuers
Acc-no: 0001104659-23-064777 (33 Act)  Size: 1 MB
2023-05-26 333-272215
23962187
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000860413-23-000126 (34 Act)  Size: 3 MB
2023-05-25 001-34653
23962054
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0000860413-23-000125 (33 Act)  Size: 136 KB
2023-05-25 333-272210
23961909
8-A12B/A  Documents [Amend] Registration of securities [Section 12(b)]
Acc-no: 0000860413-23-000117 (34 Act)  Size: 37 KB
2023-05-25 001-34653
23959555
8-K  Documents   Interactive Data Current report, items 3.03, 5.02, 5.03, 5.07, and 9.01
Acc-no: 0000860413-23-000115 (34 Act)  Size: 560 KB
2023-05-25 001-34653
23959300
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000860413-23-000095 (34 Act)  Size: 20 KB
2023-05-12 001-34653
23914598
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000860413-23-000087 (34 Act)  Size: 24 MB
2023-05-05 001-34653
23894689
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000860413-23-000084 (34 Act)  Size: 29 KB
2023-05-05 001-34653
23893616
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, 8.01, and 9.01
Acc-no: 0000860413-23-000078 (34 Act)  Size: 5 MB
2023-04-26 001-34653
23850723
ARS  Documents Annual Report to Security Holders
Acc-no: 0000860413-23-000074 (34 Act)  Size: 18 MB
2023-04-11 001-34653
23813855
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000860413-23-000073 (34 Act)  Size: 1 MB
2023-04-11 001-34653
23813842
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000860413-23-000072 (34 Act)  Size: 28 MB
2023-04-11 001-34653
23813835
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0000860413-23-000052 (34 Act)  Size: 256 KB
2023-03-16 001-34653
23738025
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0000860413-23-000048 (34 Act)  Size: 30 MB
2023-03-10 001-34653
23724692
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000860413-23-000045 (34 Act)  Size: 32 MB
2023-02-24 001-34653
23668783
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000860413-23-000025 Size: 75 KB
2023-02-14
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000860413-23-000019 (34 Act)  Size: 174 KB
2023-02-10 001-34653
23608587
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015964 (34 Act)  Size: 13 KB
2023-02-09 005-78756
23603217