FIRST INTERSTATE BANCSYSTEM INC — 8-K Filings
349 8-K filings on record
This page lists all 8-K filings submitted to the SEC by FIRST INTERSTATE BANCSYSTEM INC (FIBK), sorted by most recent first. Each row links to the full filing on EdgarLookup. FIRST INTERSTATE BANCSYSTEM INC has filed 349 8-K documents with the SEC since 2018. To view all SEC filings by FIRST INTERSTATE BANCSYSTEM INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
11-K/A
13F-HR
144
144/A
15-12G
15-15D
3
3/A
305B2
4
4/A
424B1
424B3
424B4
424B5
425
5
5/A
8-A12B
8-A12B/A
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CERTNAS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-K
POS AM
PRE 14A
PRER14A
REGDEX
RW
RW WD
S-1
S-1/A
S-1MEF
S-3
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0000860413-26-000007 | Jan 28, 2026 | — |
| 8-K | 8-K | 0000860413-25-000168 | Nov 18, 2025 | Nov 14, 2025 |
| 8-K | 8-K | 0000860413-25-000160 | Oct 29, 2025 | — |
| 8-K | 8-K | 0000860413-25-000155 | Oct 16, 2025 | — |
| 8-K | 8-K | 0000860413-25-000152 | Oct 14, 2025 | Oct 10, 2025 |
| 8-K | 8-K | 0000860413-25-000147 | Sep 9, 2025 | Sep 3, 2025 |
| 8-K | 8-K | 0000860413-25-000137 | Sep 2, 2025 | Aug 29, 2025 |
| 8-K | 8-K | 0000860413-25-000129 | Aug 28, 2025 | — |
| 8-K | 8-K | 0000860413-25-000122 | Aug 18, 2025 | Aug 15, 2025 |
| 8-K | 8-K | 0000860413-25-000119 | Aug 15, 2025 | Aug 13, 2025 |
| 8-K | 8-K | 0000860413-25-000114 | Jul 29, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-065784 | Jul 3, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-058170 | Jun 10, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-057359 | Jun 6, 2025 | Jun 5, 2025 |
| 8-K | 8-K | 0000860413-25-000078 | Jun 2, 2025 | — |
| 8-K | 8-K | 0000860413-25-000077 | Jun 2, 2025 | Jun 1, 2025 |
| 8-K | 8-K | 0000860413-25-000070 | May 23, 2025 | May 20, 2025 |
| 8-K | 8-K | 0000860413-25-000057 | Apr 29, 2025 | — |
| 8-K | 8-K | 0000860413-25-000051 | Apr 28, 2025 | — |
| 8-K | 8-K | 0000860413-25-000036 | Mar 19, 2025 | Mar 14, 2025 |
| 8-K | 8-K | 0000860413-25-000017 | Feb 26, 2025 | Feb 24, 2025 |
| 8-K | 8-K | 0000860413-25-000015 | Feb 25, 2025 | Feb 20, 2025 |
| 8-K | 8-K | 0000860413-25-000006 | Jan 29, 2025 | — |
| 8-K | 8-K | 0000860413-25-000003 | Jan 10, 2025 | Jan 3, 2025 |
| 8-K | 8-K | 0000860413-24-000128 | Oct 24, 2024 | — |
| 8-K | 8-K | 0000860413-24-000125 | Oct 9, 2024 | — |
| 8-K | 8-K | 0000860413-24-000111 | Jul 25, 2024 | — |
| 8-K | 8-K | 0000860413-24-000108 | Jul 12, 2024 | Jul 8, 2024 |
| 8-K | 8-K | 0000860413-24-000106 | Jun 14, 2024 | — |
| 8-K | 8-K | 0000860413-24-000071 | May 23, 2024 | May 20, 2024 |
| 8-K | 8-K | 0000860413-24-000059 | Apr 24, 2024 | — |
| 8-K | 8-K | 0000860413-24-000047 | Apr 4, 2024 | Apr 2, 2024 |
| 8-K | 8-K | 0000860413-24-000003 | Jan 30, 2024 | — |
| 8-K | 8-K | 0000860413-23-000202 | Dec 14, 2023 | — |
| 8-K | 8-K | 0000860413-23-000194 | Dec 1, 2023 | Nov 30, 2023 |
| 8-K | 8-K | 0000860413-23-000190 | Nov 30, 2023 | Nov 28, 2023 |
| 8-K | 8-K | 0000860413-23-000182 | Oct 25, 2023 | — |
| 8-K | 8-K | 0000860413-23-000174 | Aug 28, 2023 | Aug 24, 2023 |
| 8-K | 8-K | 0000860413-23-000168 | Jul 26, 2023 | — |
| 8-K | 8-K | 0000860413-23-000165 | Jun 30, 2023 | Jun 28, 2023 |
| 8-K | 8-K | 0000860413-23-000126 | May 25, 2023 | May 24, 2023 |
| 8-K | 8-K | 0000860413-23-000115 | May 25, 2023 | May 24, 2023 |
| 8-K | 8-K | 0000860413-23-000078 | Apr 26, 2023 | — |
| 8-K | 8-K | 0000860413-23-000052 | Mar 16, 2023 | Mar 10, 2023 |
| 8-K | 8-K | 0000860413-23-000019 | Feb 10, 2023 | Feb 9, 2023 |
| 8-K | 8-K | 0000860413-23-000014 | Jan 26, 2023 | — |
| 8-K | 8-K | 0000860413-23-000008 | Jan 13, 2023 | Jan 11, 2023 |
| 8-K | 8-K | 0000860413-22-000199 | Oct 25, 2022 | Oct 24, 2022 |
| 8-K | 8-K | 0000860413-22-000195 | Oct 3, 2022 | — |
| 8-K | 8-K | 0000860413-22-000186 | Jul 26, 2022 | — |