| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| NWE | Rowe Robert C | CEO | Sep 15 '22 | Sale | 54.01 | 4,000 | 216,040 | 193,116 | Sep 15 12:00 AM |
| NWE | Rowe Robert C | CEO | Jun 15 '22 | Sale | 55.82 | 4,000 | 223,280 | 195,016 | Jun 15 12:00 AM |
| NWE | Rowe Robert C | CEO | Mar 07 '22 | Sale | 61.64 | 2,000 | 123,280 | 196,906 | Mar 07 12:00 AM |
| NWE | Rowe Robert C | CEO | Feb 15 '22 | Sale | 57.59 | 3,000 | 172,770 | 181,996 | Feb 15 12:00 AM |
| NWE | Rowe Robert C | CEO | Dec 15 '21 | Sale | 55.23 | 3,000 | 165,690 | 190,228 | Dec 16 12:00 AM |
| NWE | Rowe Robert C | CEO | Sep 15 '21 | Sale | 61.87 | 3,000 | 185,610 | 183,834 | Sep 16 12:00 AM |
| NWE | Rowe Robert C | CEO | Jun 22 '21 | Sale | 62.16 | 3,000 | 186,480 | 185,038 | Jun 22 12:00 AM |
| NWE | Rowe Robert C | CEO | Mar 01 '21 | Sale | 59.63 | 3,000 | 178,890 | 186,186 | Mar 02 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Dec 15 '20 | Sale | 55.80 | 2,700 | 150,660 | 173,037 | Dec 16 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Oct 15 '20 | Sale | 50.44 | 2,700 | 136,188 | 175,716 | Oct 16 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Aug 17 '20 | Sale | 55.28 | 2,700 | 149,256 | 176,846 | Aug 18 12:00 AM |
| NWE | Rowe Robert C | President & CEO | May 06 '20 | Sale | 55.45 | 1,000 | 55,450 | 178,236 | May 07 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Feb 24 '20 | Sale | 80.01 | 4,194 | 335,562 | 153,296 | Feb 24 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Dec 06 '19 | Sale | 71.77 | 2,150 | 154,306 | 156,202 | Dec 09 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Nov 06 '19 | Sale | 70.68 | 2,150 | 151,962 | 158,306 | Nov 06 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Aug 06 '19 | Sale | 68.17 | 4,300 | 293,131 | 159,268 | Aug 08 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Jun 13 '19 | Sale | 72.57 | 1,500 | 108,855 | 162,239 | Jun 13 12:00 AM |
| NWE | Rowe Robert C | President & CEO | May 01 '18 | Sale | 54.72 | 12,402 | 678,638 | 141,659 | May 02 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Apr 30 '18 | Sale | 55.38 | 5,250 | 290,746 | 147,860 | May 02 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Dec 01 '17 | Sale | 64.25 | 3,626 | 232,971 | 137,987 | Dec 01 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Sep 01 '17 | Sale | 60.43 | 3,626 | 219,119 | 141,226 | Sep 05 12:00 AM |
| NWE | Rowe Robert C | President & CEO | May 15 '17 | Sale | 60.89 | 7,252 | 441,574 | 140,104 | May 15 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Nov 28 '16 | Sale | 58.00 | 3,011 | 174,638 | 130,960 | Nov 28 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Sep 19 '16 | Sale | 58.00 | 3,011 | 174,638 | 132,843 | Sep 20 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Jun 07 '16 | Sale | 59.32 | 14,000 | 830,480 | 134,815 | Jun 08 12:00 AM |
| NWE | Rowe Robert C | President & CEO | Mar 10 '16 | Sale | 60.71 | 4,500 | 273,195 | 140,688 | Mar 11 12:00 AM |