| Transaction Date | Insider | Transaction Type | Number of Shares Transacted |
|---|---|---|---|
| 2015-04-28 | Howard Kevin Maxen | Purchase | 7000.0 |
| 2015-04-28 | Hylbert Paul William Jr | Purchase | 7000.0 |
| 2015-04-28 | CHAPMAN GEORGE L | Purchase | 19250.0 |
| 2015-04-28 | FISCHER TAMARA D | Purchase | 8000.0 |
| 2015-04-28 | Meisinger Chad LeRoy | Purchase | 30750.0 |
| 2015-04-28 | Nordhagen Arlen Dale | Purchase | 25000.0 |
| 2015-04-28 | Van Mourick Mark | Purchase | 800.0 |
| 2015-05-20 | FISCHER TAMARA D | Purchase | 200.0 |
| 2015-08-05 | Nordhagen Arlen Dale | Purchase | 27117.0 |
| 2015-08-10 | Howard Kevin Maxen | Purchase | 292644.0 |
| 2015-08-13 | Nordhagen Arlen Dale | Purchase | 9200.0 |
| 2015-08-13 | Nordhagen Arlen Dale | Purchase | 21600.0 |
| 2015-08-13 | Nordhagen Arlen Dale | Purchase | 15600.0 |
| 2015-08-13 | Nordhagen Arlen Dale | Purchase | 48000.0 |
| 2015-08-14 | Nordhagen Arlen Dale | Purchase | 13000.0 |
| 2015-08-14 | Nordhagen Arlen Dale | Purchase | 30000.0 |
| 2015-08-14 | Nordhagen Arlen Dale | Purchase | 21000.0 |
| 2015-08-14 | Nordhagen Arlen Dale | Purchase | 63000.0 |
| 2015-08-14 | FISCHER TAMARA D | Purchase | 1000.0 |
| 2015-08-14 | FISCHER TAMARA D | Purchase | 1000.0 |
| 2015-08-14 | Howard Kevin Maxen | Purchase | 13500.0 |
| 2015-08-17 | Nordhagen Arlen Dale | Purchase | 500.0 |
| 2015-08-17 | Nordhagen Arlen Dale | Purchase | 500.0 |
| 2015-08-17 | Nordhagen Arlen Dale | Purchase | 500.0 |
| 2015-08-17 | Nordhagen Arlen Dale | Purchase | 500.0 |
| 2015-08-17 | Nordhagen Arlen Dale | Purchase | 8462.0 |
| 2015-08-17 | FISCHER TAMARA D | Purchase | 500.0 |
| 2015-08-18 | Nordhagen Arlen Dale | Purchase | 800.0 |
| 2015-08-18 | Nordhagen Arlen Dale | Purchase | 3000.0 |
| 2015-08-18 | Nordhagen Arlen Dale | Purchase | 2200.0 |
| 2015-08-18 | Nordhagen Arlen Dale | Purchase | 6600.0 |
| 2015-08-21 | FISCHER TAMARA D | Purchase | 2000.0 |
| 2015-08-24 | FISCHER TAMARA D | Purchase | 2000.0 |
| 2015-09-03 | Howard Kevin Maxen | Purchase | 35460.0 |
| 2015-09-03 | Howard Kevin Maxen | Purchase | 35461.0 |
| 2015-12-31 | Howard Kevin Maxen | Purchase | 9337.0 |
| 2016-01-04 | Nordhagen Arlen Dale | Purchase | 71871.0 |
| 2016-01-04 | Nordhagen Arlen Dale | Purchase | 17943.0 |
| 2016-01-22 | Nordhagen Arlen Dale | Purchase | 120776.0 |
| 2016-03-07 | Hylbert Paul William Jr | Purchase | 7400.0 |
| 2016-03-08 | Hylbert Paul William Jr | Purchase | 100.0 |
| 2016-06-23 | Nordhagen Arlen Dale | Purchase | 51799.0 |
| 2016-09-01 | Nordhagen Arlen Dale | Purchase | 102555.0 |
| 2016-11-18 | FISCHER TAMARA D | Purchase | 500.0 |
| 2016-11-21 | Howard Kevin Maxen | Purchase | 96561.0 |
| 2016-11-21 | Howard Kevin Maxen | Purchase | 10729.0 |
| 2016-12-16 | FISCHER TAMARA D | Purchase | 100.0 |
| 2017-01-05 | Howard Kevin Maxen | Purchase | 6816.0 |
| 2017-03-14 | Van Mourick Mark | Sale | 10000.0 |
| 2017-03-15 | Van Mourick Mark | Sale | 11750.0 |
| 2017-08-04 | Nordhagen Arlen Dale | Sale | 15000.0 |
| 2017-08-07 | Nordhagen Arlen Dale | Sale | 15000.0 |
| 2018-01-08 | Howard Kevin Maxen | Purchase | 1505.0 |
| 2018-03-01 | Howard Kevin Maxen | Sale | 11250.0 |
| 2018-03-16 | Van Mourick Mark | Sale | 13667.0 |
| 2018-09-14 | Meisinger Chad LeRoy | Purchase | 10000.0 |
| 2018-11-05 | Nordhagen Arlen Dale | Purchase | 20000.0 |
| 2018-11-30 | FISCHER TAMARA D | Purchase | 1200.0 |
| 2018-12-06 | FISCHER TAMARA D | Purchase | 100.0 |
| 2018-12-06 | Van Mourick Mark | Sale | 10000.0 |
| 2018-12-07 | Nordhagen Arlen Dale | Purchase | 4000.0 |
| 2018-12-14 | FISCHER TAMARA D | Purchase | 200.0 |
| 2018-12-24 | Nordhagen Arlen Dale | Purchase | 20000.0 |
| 2019-01-02 | Nordhagen Arlen Dale | Purchase | 66.0 |
| 2019-01-04 | Howard Kevin Maxen | Purchase | 350.0 |
| 2019-05-29 | Nordhagen Arlen Dale | Purchase | 10936.0 |
| 2019-08-08 | Hylbert Paul William Jr | Purchase | 500.0 |
| 2019-09-20 | Nordhagen Arlen Dale | Purchase | 190.0 |
| 2019-11-05 | FISCHER TAMARA D | Purchase | 400.0 |
| 2019-12-27 | Nordhagen Arlen Dale | Purchase | 217.0 |
| 2020-01-24 | Nordhagen Arlen Dale | Purchase | 390.0 |
| 2020-03-12 | Treadwell Steven B | Purchase | 500.0 |
| 2020-03-12 | Nordhagen Arlen Dale | Purchase | 4000.0 |
| 2020-03-12 | Nordhagen Arlen Dale | Purchase | 20000.0 |
| 2020-03-13 | Nordhagen Arlen Dale | Purchase | 4000.0 |
| 2020-03-16 | Nordhagen Arlen Dale | Purchase | 30000.0 |
| 2020-03-16 | FISCHER TAMARA D | Purchase | 1000.0 |
| 2020-03-18 | Nordhagen Arlen Dale | Purchase | 8500.0 |
| 2020-03-19 | Nordhagen Arlen Dale | Purchase | 3500.0 |
| 2020-03-30 | Nordhagen Arlen Dale | Purchase | 12729.0 |
| 2020-05-15 | Van Mourick Mark | Purchase | 2000.0 |
| 2020-11-17 | Van Mourick Mark | Sale | 2000 |
| 2020-12-02 | FISCHER TAMARA D | Purchase | 400 |
| Transaction Date) | Insider | Transaction Type | Number of Shares Transacted |