| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| NSR | Director | Aug 08, 2017 | Option Exercise | $33.50 | 1,800 | 60,300 | 0 | Aug 08, 2017, 06:28 PM |
| NSR | Director | Mar 17, 2017 | Sale | $33.05 | 19,813 | 654,820 | 37,329 | Mar 21, 2017, 09:33 PM |
| ADTN | Director | Dec 31, 2010 | Option Exercise | $36.38 | 1,649 | 59,991 | 1,649 | Jan 04, 2011, 04:26 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| NSR | Director | Aug 08, 2017 | Option Exercise | 60,300 |
| NSR | Director | Mar 17, 2017 | Sale | 654,820 |
| ADTN | Director | Dec 31, 2010 | Option Exercise | 59,991 |