| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| NSYS | V.P. & Chief Financial Officer | Aug 19, 2015 | Buy | $4.12 | 216 | 890 | 2,835 | Aug 31, 2015, 12:33 PM |
| NSYS | V.P. & Chief Financial Officer | Aug 11, 2015 | Buy | $4.19 | 394 | 1,651 | 2,619 | Aug 17, 2015, 10:43 AM |
| NSYS | V.P. & Chief Financial Officer | Aug 10, 2015 | Buy | $4.08 | 1,725 | 7,038 | 2,225 | Aug 17, 2015, 10:43 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| NSYS | V.P. & Chief Financial Officer | Aug 19, 2015 | Buy | 890 |
| NSYS | V.P. & Chief Financial Officer | Aug 11, 2015 | Buy | 1,651 |
| NSYS | V.P. & Chief Financial Officer | Aug 10, 2015 | Buy | 7,038 |