| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| NSYS | Director | Mar 17, 2022 | Option Exercise | $11.80 | 3,000 | 35,400 | 3,000 | Mar 21, 2022, 09:43 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| NSYS | Director | Mar 17, 2022 | Option Exercise | 35,400 |