# Filing Detail

Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0002090710-25-000004
Filing Date
2025-10-09
Accepted
2025-10-09 17:49:41
Documents
5
Period of Report
2025-09-10

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 3 | wk-form3_1760046577.html | 3 |
1 | FORM 3 | wk-form3_1760046577.xml | 3 | 2385
2 | EX-24 | lpoa_chrisshepler.htm | EX-24 | 1198
3 | EX-24 | lpoa_chrisshepler001.jpg | GRAPHIC | 251838
4 | EX-24 | lpoa_chrisshepler002.jpg | GRAPHIC | 231540
5 | EX-24 | lpoa_chrisshepler003.jpg | GRAPHIC | 95550
| Complete submission text file | 0002090710-25-000004.txt |  | 802718

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

EIN.: 810331430 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)

Mailing Address 401 N. 31ST ST. BILLINGS MT 59101
Business Address
Shepler Christopher L. (Reporting) CIK: 0002090710 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-34653 | Film No.: 251385982