# Filing Detail

Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001140361-21-042096
Filing Date
2021-12-16
Accepted
2021-12-16 17:28:03
Documents
14

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 424B3 | ny20001148x5_424b3.htm | 424B3 | 5167507
2 |  | header_pipersandler2.jpg | GRAPHIC | 58193
3 |  | logo_barclays.jpg | GRAPHIC | 37190
4 |  | logo_firstinterstatebank.jpg | GRAPHIC | 41428
5 |  | logo_firstinterstatebanx1.jpg | GRAPHIC | 55836
6 |  | logo_greatwesternbankx2.jpg | GRAPHIC | 41817
7 |  | logo_keefe-bruyettewoods.jpg | GRAPHIC | 41172
8 |  | sig_jamesbrannen.jpg | GRAPHIC | 18959
9 |  | sig_keefe-bruyettewoods.jpg | GRAPHIC | 20732
10 |  | sig_kevinriley.jpg | GRAPHIC | 11017
11 |  | sig_kevinrileyx1.jpg | GRAPHIC | 16509
12 |  | sig_markborrecco.jpg | GRAPHIC | 10910
13 |  | sig_markborreccox1.jpg | GRAPHIC | 19470
14 |  | sig_pipersandler2.jpg | GRAPHIC | 22198
| Complete submission text file | 0001140361-21-042096.txt |  | 5711279

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: 424B3 | Act: 33 | File No.: 333-260771 | Film No.: 211498628
SIC: 6022 State Commercial Banks