X0306
4
2016-11-29
0
0000860413
FIRST INTERSTATE BANCSYSTEM INC
FIBK
0001226093
GUENTHNER KEVIN
PO BOX 30918
BILLINGS
MT
59116-0918
0
1
0
0
SVP & Chief Infor. Officer
Class A Common Stock
2016-11-29
4
S
0
949
37.65
D
15248
D
Class A Common Stock
8760
I
By 401(k) Plan
/s/ MARCY D. MUTCH, Attorney-in-Fact for Reporting Person
2016-12-01