| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| FIBK | 10% Owner | Mar 10, 2022 | Sale | $38.90 | 12,850 | 499,865 | 276,517 | Mar 14, 2022, 07:49 PM |
| FIBK | 10% Owner | Feb 22, 2018 | Sale | $39.50 | 250,000 | 9,875,000 | 500 | Feb 26, 2018, 12:23 PM |
| FIBK | Director | May 20, 2015 | Option Exercise | $27.59 | 3,805 | 104,980 | 20,773 | May 22, 2015, 12:26 PM |
| FIBK | Director | Aug 06, 2014 | Sale | $25.50 | 9,615 | 245,183 | 32,279 | Aug 08, 2014, 07:47 AM |
| FIBK | Director | May 21, 2014 | Option Exercise | $25.24 | 4,160 | 104,998 | 32,279 | May 23, 2014, 01:12 PM |
| FIBK | Director | May 22, 2013 | Option Exercise | $20.82 | 5,043 | 104,995 | 5,043 | May 24, 2013, 04:13 PM |
| FIBK | Director | May 07, 2013 | Sale | $20.11 | 13,030 | 261,997 | 0 | May 09, 2013, 10:33 AM |
| FIBK | Director | Feb 14, 2013 | Sale | $17.26 | 10,726 | 185,107 | 2,120 | Feb 19, 2013, 03:10 PM |
| FIBK | Director | Feb 15, 2013 | Sale | $17.37 | 2,120 | 36,824 | 0 | Feb 19, 2013, 03:10 PM |
| FIBK | Director | Feb 13, 2013 | Sale | $17.40 | 100 | 1,740 | 12,846 | Feb 13, 2013, 05:53 PM |
| FIBK | Director | Feb 12, 2013 | Sale | $17.40 | 100 | 1,740 | 12,946 | Feb 13, 2013, 05:53 PM |
| FIBK | Director | Feb 11, 2013 | Sale | $17.40 | 1,685 | 29,319 | 13,046 | Feb 13, 2013, 05:53 PM |
| FIBK | Director | Nov 21, 2012 | Sale | $14.42 | 5,000 | 72,104 | 0 | Feb 04, 2013, 05:48 PM |
| FIBK | Director | Nov 20, 2012 | Sale | $14.34 | 2,500 | 35,856 | 5,000 | Nov 20, 2012, 07:05 PM |
| FIBK | Director | Nov 19, 2012 | Sale | $14.27 | 5,000 | 71,375 | 7,500 | Nov 20, 2012, 03:40 PM |
| FIBK | Director | Nov 09, 2012 | Sale | $14.47 | 3,950 | 57,164 | 15,000 | Nov 13, 2012, 12:51 PM |
| FIBK | Director | Nov 08, 2012 | Sale | $14.25 | 400 | 5,700 | 16,450 | Nov 13, 2012, 12:51 PM |
| FIBK | Director | Aug 28, 2012 | Sale | $14.24 | 5,000 | 71,209 | 0 | Aug 30, 2012, 12:22 PM |
| FIBK | Director | Aug 24, 2012 | Sale | $14.25 | 131 | 1,867 | 7,369 | Aug 28, 2012, 12:30 PM |
| FIBK | Director | Aug 27, 2012 | Sale | $14.25 | 2,369 | 33,755 | 5,000 | Aug 28, 2012, 12:30 PM |
| FIBK | Director | Aug 21, 2012 | Sale | $14.18 | 5,000 | 70,910 | 7,500 | Aug 23, 2012, 10:40 AM |
| FIBK | Director | Aug 20, 2012 | Sale | $14.07 | 2,500 | 35,175 | 12,500 | Aug 21, 2012, 11:56 AM |
| FIBK | Director | Aug 15, 2012 | Sale | $14.02 | 500 | 7,011 | 15,000 | Aug 16, 2012, 11:39 AM |
| FIBK | Director | Aug 07, 2012 | Sale | $14.52 | 1,500 | 21,784 | 15,500 | Aug 08, 2012, 03:42 PM |
| FIBK | Director | Aug 06, 2012 | Sale | $14.22 | 500 | 7,108 | 17,000 | Aug 07, 2012, 05:22 PM |
| FIBK | Director | Aug 03, 2012 | Sale | $14.16 | 420 | 5,948 | 17,500 | Aug 06, 2012, 11:17 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| FIBK | 10% Owner | Mar 10, 2022 | Sale | 499,865 |
| FIBK | 10% Owner | Feb 22, 2018 | Sale | 9,875,000 |
| FIBK | Director | May 20, 2015 | Option Exercise | 104,980 |
| FIBK | Director | Aug 06, 2014 | Sale | 245,183 |
| FIBK | Director | May 21, 2014 | Option Exercise | 104,998 |
| FIBK | Director | May 22, 2013 | Option Exercise | 104,995 |
| FIBK | Director | May 07, 2013 | Sale | 261,997 |
| FIBK | Director | Feb 14, 2013 | Sale | 185,107 |
| FIBK | Director | Feb 15, 2013 | Sale | 36,824 |
| FIBK | Director | Feb 13, 2013 | Sale | 1,740 |
| FIBK | Director | Feb 12, 2013 | Sale | 1,740 |
| FIBK | Director | Feb 11, 2013 | Sale | 29,319 |
| FIBK | Director | Nov 21, 2012 | Sale | 72,104 |
| FIBK | Director | Nov 20, 2012 | Sale | 35,856 |
| FIBK | Director | Nov 19, 2012 | Sale | 71,375 |
| FIBK | Director | Nov 09, 2012 | Sale | 57,164 |
| FIBK | Director | Nov 08, 2012 | Sale | 5,700 |
| FIBK | Director | Aug 28, 2012 | Sale | 71,209 |
| FIBK | Director | Aug 24, 2012 | Sale | 1,867 |
| FIBK | Director | Aug 27, 2012 | Sale | 33,755 |
| FIBK | Director | Aug 21, 2012 | Sale | 70,910 |
| FIBK | Director | Aug 20, 2012 | Sale | 35,175 |
| FIBK | Director | Aug 15, 2012 | Sale | 7,011 |
| FIBK | Director | Aug 07, 2012 | Sale | 21,784 |
| FIBK | Director | Aug 06, 2012 | Sale | 7,108 |
| FIBK | Director | Aug 03, 2012 | Sale | 5,948 |