0000860413-24-000097.txt : 20240604 0000860413-24-000097.hdr.sgml : 20240604 20240604160454 ACCESSION NUMBER: 0000860413-24-000097 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240601 FILED AS OF DATE: 20240604 DATE AS OF CHANGE: 20240604 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Grieb Frances Pallas CENTRAL INDEX KEY: 0001622140 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34653 FILM NUMBER: 241017898 MAIL ADDRESS: STREET 1: C/O GREAT WESTERN BANCORP, INC. STREET 2: 100 NORTH PHILLIPS AVE. CITY: SIOUX FALLS STATE: SD ZIP: 57104 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: FIRST INTERSTATE BANCSYSTEM INC CENTRAL INDEX KEY: 0000860413 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance IRS NUMBER: 810331430 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 401 NO 31ST STREET CITY: BILLINGS STATE: MT ZIP: 59101 BUSINESS PHONE: 4062555311 MAIL ADDRESS: STREET 1: 401 NO 31ST STREET CITY: BILLINGS STATE: MT ZIP: 59101 FORMER COMPANY: FORMER CONFORMED NAME: FIRST INTERSTATE BANCSYSTEM OF MONTANA INC DATE OF NAME CHANGE: 19930615 4 1 wk-form4_1717531486.xml FORM 4 X0508 4 2024-06-01 0 0000860413 FIRST INTERSTATE BANCSYSTEM INC FIBK 0001622140 Grieb Frances Pallas P.O. BOX 30918 BILLINGS MT 59116-0918 1 0 0 0 0 Common Stock 2024-06-01 4 A 0 3014 0 A 25450 D Common Stock 4212 I Trust Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2025, subject to the reporting persons provision of continuous service to the Registrant through the vesting date. /s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person 2024-06-04