# Filing Detail

Form S-4/A - Registration of securities, business combinations: [Amend]
SEC Accession No. 0001140361-21-041594
Filing Date
2021-12-14
Accepted
2021-12-14 17:24:40
Documents
35

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | S-4/A | ny20001148x2_s4a.htm | S-4/A | 5292156
2 | EXHIBIT 5.1 | ny20001148x2_ex5-1.htm | EX-5.1 | 6378
3 | EXHIBIT 8.1 | ny20001148x2_ex8-1.htm | EX-8.1 | 8962
4 | EXHIBIT 8.2 | ny20001148x2_ex8-2.htm | EX-8.2 | 3064
5 | EXHIBIT 23.1 | ny20001148x2_ex23-1.htm | EX-23.1 | 2201
6 | EXHIBIT 23.2 | ny20001148x2_ex23-2.htm | EX-23.2 | 2296
7 | EXHIBIT 99.1 | ny20001148x2_ex99-1.htm | EX-99.1 | 1574
8 | EXHIBIT 99.2 | ny20001148x2_ex99-2.htm | EX-99.2 | 2741
9 | EXHIBIT 99.3 | ny20001148x2_ex99-3.htm | EX-99.3 | 2791
10 | EXHIBIT 99.4 | ny20001148x2_ex99-4.htm | EX-99.4 | 6418
11 | EXHIBIT 99.5 | ny20001148x2_ex99-5.htm | EX-99.5 | 4552
12 |  | header_pipersandler2.jpg | GRAPHIC | 58193
13 |  | logo_barclays.jpg | GRAPHIC | 37190
14 |  | logo_firstinterstatebank.jpg | GRAPHIC | 41428
15 |  | logo_firstinterstatebanx1.jpg | GRAPHIC | 55836
16 |  | logo_greatwesternbank.jpg | GRAPHIC | 28617
17 |  | logo_greatwesternbankx1.jpg | GRAPHIC | 37250
18 |  | logo_keefe-bruyettewoods.jpg | GRAPHIC | 41172
19 |  | ny20001148x2_ex8-1img01.jpg | GRAPHIC | 107912
20 |  | ny20001148x2_ex99-1img1.jpg | GRAPHIC | 235157
21 |  | ny20001148x2_ex99-1img2.jpg | GRAPHIC | 149953
22 |  | ny20001148x2_ex99-2img01.jpg | GRAPHIC | 156619
23 |  | ny20001148x2_ex99-2img02.jpg | GRAPHIC | 156328
24 |  | ny20001148x2_ex99-3img01.jpg | GRAPHIC | 81237
25 |  | ny20001148x2_ex99-4img01.jpg | GRAPHIC | 27492
26 |  | ny20001148x2_ex99-4img02.jpg | GRAPHIC | 1329
27 |  | ny20001148x2_ex99-5img1.jpg | GRAPHIC | 3159
28 |  | ny20001148x2_ex99-5img2.jpg | GRAPHIC | 21638
29 |  | sig_jamesbrannen.jpg | GRAPHIC | 18959
30 |  | sig_keefe-bruyettewoods.jpg | GRAPHIC | 20732
31 |  | sig_kevinriley.jpg | GRAPHIC | 11017
32 |  | sig_kevinrileyx1.jpg | GRAPHIC | 16509
33 |  | sig_markborrecco.jpg | GRAPHIC | 10910
34 |  | sig_markborreccox1.jpg | GRAPHIC | 19470
35 |  | sig_pipersandler2.jpg | GRAPHIC | 22198
| Complete submission text file | 0001140361-21-041594.txt |  | 7206300

Mailing Address P O BOX 30918 401 NO 31ST STREET BILLINGS MT 59116-0918
Business Address P O BOX 30918 401 NO 31ST STREET BILLINGS MT 59116-0918 4062555300
FIRST INTERSTATE BANCSYSTEM INC (Filer) CIK: 0000860413 (see all company filings)

EIN.: 810331430 | State of Incorp.: MT | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-260771 | Film No.: 211492027
SIC: 6022 State Commercial Banks