| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −2,016 sh | — | — | 13,811 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −13.8K sh | $134.50 | −$1.86M | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −465 sh | $134.50 | −$62.5K | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | A | +3,276 sh | — | — | 3,276 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −3,276 sh | $134.50 | −$441K | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −1,443 sh | — | — | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −4,870 sh | — | — | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −4,086 sh | — | — | 0 |
| 2018-03-17 | Northrop Grumman Innovation Systems, Inc. | F | −369 sh | $131.90 | −$48.7K | 15,827 |
| 2018-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −427 sh | $132.31 | −$56.5K | 16,196 |
| 2018-02-27 | Northrop Grumman Innovation Systems, Inc. | F | −206 sh | $131.65 | −$27.1K | 16,623 |
| 2018-02-21 | Northrop Grumman Innovation Systems, Inc. | A | +4,133 sh | — | — | 18,040 |
| 2018-02-21 | Northrop Grumman Innovation Systems, Inc. | F | −1,227 sh | $131.80 | −$162K | 16,813 |
| 2018-02-21 | Northrop Grumman Innovation Systems, Inc. | F | −1,211 sh | $131.80 | −$160K | 16,829 |
| 2018-02-02 | Northrop Grumman Innovation Systems, Inc. | A | +2,275 sh | — | — | 13,907 |
| 2017-07-01 | Northrop Grumman Innovation Systems, Inc. | F | −88 sh | $98.36 | −$8,655.68 | 11,632 |
| 2017-03-31 | Northrop Grumman Innovation Systems, Inc. | M | +1,499 sh | — | — | 12,201 |
| 2017-03-31 | Northrop Grumman Innovation Systems, Inc. | F | −481 sh | $98.00 | −$47.1K | 11,720 |
| 2017-03-31 | Northrop Grumman Innovation Systems, Inc. | M | −1,499 sh | — | — | 0 |
| 2017-03-17 | Northrop Grumman Innovation Systems, Inc. | F | −272 sh | $102.11 | −$27.8K | 10,702 |
| 2017-03-11 | Northrop Grumman Innovation Systems, Inc. | F | −87 sh | $99.47 | −$8,653.89 | 10,974 |
| 2017-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −312 sh | $99.47 | −$31K | 11,061 |
| 2017-02-27 | Northrop Grumman Innovation Systems, Inc. | A | +2,138 sh | — | — | 11,373 |
| 2017-02-27 | Northrop Grumman Innovation Systems, Inc. | A | +4,086 sh | — | — | 4,086 |
| 2016-07-01 | Northrop Grumman Innovation Systems, Inc. | F | −88 sh | $85.09 | −$7,487.92 | 9,235 |
| 2016-03-17 | Northrop Grumman Innovation Systems, Inc. | A | +2,517 sh | — | — | 9,323 |
| 2016-03-17 | Northrop Grumman Innovation Systems, Inc. | A | +4,870 sh | — | — | 4,870 |
| 2016-03-11 | Northrop Grumman Innovation Systems, Inc. | F | −73 sh | $77.33 | −$5,645.09 | 6,806 |
| 2016-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −306 sh | $77.24 | −$23.6K | 6,879 |
| 2016-03-05 | Northrop Grumman Innovation Systems, Inc. | F | −134 sh | $82.08 | −$11K | 7,185 |
| 2015-07-01 | Northrop Grumman Innovation Systems, Inc. | A | +820 sh | — | — | 7,319 |
| 2015-07-01 | Northrop Grumman Innovation Systems, Inc. | A | +1,443 sh | — | — | 1,443 |