| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NSSC | Common Stock | Sale | $-803,270 | -18,500 | -0.5% | $43.42 | 3,646,331 | 15 Sep 2021 | Direct | |
| transaction | NSSC | Common Stock | Sale | $-85,728 | -2,047 | -0.06% | $41.88 | 3,644,284 | 16 Sep 2021 | Direct | |
| transaction | NSSC | Common Stock | Sale | $-442,803 | -10,558 | -0.29% | $41.94 | 3,633,726 | 17 Sep 2021 | Direct |