FORM 10-Q

Company

FIRST INTERSTATE BANCSYSTEM INC

Filed

November 4, 2008

Period of Report

September 30, 2008

Accession Number

0000950137-08-013417

A 10-Q is a quarterly financial report filed after each of the first three quarters of a fiscal year. It includes unaudited financial statements and management commentary. Learn more about 10-Q filings →