X0306
4
2016-11-29
0
0000860413
FIRST INTERSTATE BANCSYSTEM INC
FIBK
0001361935
Scott Jonathan R
PO BOX 30918
BILLINGS
MT
59116-0191
1
0
0
0
Class A Common Stock
2016-11-29
4
M
0
2000
20.62
A
6958
D
Class A Common Stock
2016-11-29
4
S
0
2000
37.50
D
4958
D
Class A Common Stock
3972
I
By Trust
Stock Options
20.62
2016-11-29
4
M
0
2000
0.00
D
2008-01-25
2017-01-25
Class B Common Stock
2000
0
D
Class B Common Stock
0.00
2010-03-05
2029-12-31
Class A Common Stock
59576
59576
I
By Spouse
Class B Common Stock
0.00
2010-03-05
2029-12-31
Class A Common Stock
710590
710590
I
By Trust
Class B Common Stock
0.00
2010-03-05
2029-12-31
Class A Common Stock
702
702
D
Simultaneous with exercise of stock options, an election was made to immediately convert Class B commons shares received to Class A common shares.
The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.
/s/ MARCY D. MUTCH, Attorney-in-Fact for Reporting Person
2016-12-01