FIRST INTERSTATE BANCSYSTEM INC — 8-K/A Filings
12 8-K/A filings on record
This page lists all 8-K/A 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 12 8-K/A 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/A | 8-K/A | 0000860413-25-000135 | Aug 29, 2025 | Aug 13, 2025 |
| 8-K/A | FORM 8-K/A | 0000950103-22-006555 | Apr 19, 2022 | Feb 1, 2022 |
| 8-K/A | 8-K/A | 0000860413-21-000202 | Aug 23, 2021 | Aug 19, 2021 |
| 8-K/A | 8-K/A | 0000860413-21-000160 | May 26, 2021 | — |
| 8-K/A | 8-K/A | 0000860413-20-000187 | Jul 28, 2020 | — |
| 8-K/A | 8-K/A | 0000860413-17-000029 | Aug 15, 2017 | Aug 14, 2017 |
| 8-K/A | 8-K/A | 0000860413-17-000019 | Jun 15, 2017 | — |
| 8-K/A | FORM 8-K AMENDMENT | 0001193125-11-244500 | Sep 9, 2011 | May 24, 2011 |
| 8-K/A | FORM 8-K/A | 0000950123-10-022998 | Mar 10, 2010 | — |
| 8-K/A | AMENDMENT TO CURRENT REPORT | 0000950137-07-001581 | Feb 7, 2007 | Feb 2, 2007 |
| 8-K/A | FORM 8-K/A | 0000950124-01-501759 | Jun 8, 2001 | May 25, 2001 |
| 8-K/A | FORM 8-K/A | 0000912057-96-029330 | Dec 16, 1996 | Oct 1, 1996 |