| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −5,601 sh | — | — | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −4,086 sh | — | — | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −2,016 sh | — | — | 23,097 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −23.1K sh | $134.50 | −$3.11M | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | A | +3,582 sh | — | — | 3,582 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −3,582 sh | $134.50 | −$482K | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −5,604 sh | — | — | 0 |
| 2018-03-17 | Northrop Grumman Innovation Systems, Inc. | F | −436 sh | $131.90 | −$57.5K | 25,113 |
| 2018-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −480 sh | $132.31 | −$63.5K | 25,549 |
| 2018-02-27 | Northrop Grumman Innovation Systems, Inc. | F | −215 sh | $131.65 | −$28.3K | 26,029 |
| 2018-02-21 | Northrop Grumman Innovation Systems, Inc. | A | +4,475 sh | — | — | 27,697 |
| 2018-02-21 | Northrop Grumman Innovation Systems, Inc. | F | −1,453 sh | $131.80 | −$192K | 26,244 |
| 2018-02-02 | Northrop Grumman Innovation Systems, Inc. | A | +2,275 sh | — | — | 22,922 |
| 2017-09-15 | Northrop Grumman Innovation Systems, Inc. | S | ▼−200 sh | $108.39 | ▼−$21.7K | 20,634 |
| 2017-08-15 | Northrop Grumman Innovation Systems, Inc. | S | ▼−200 sh | $109.00 | ▼−$21.8K | 20,834 |
| 2017-08-10 | Northrop Grumman Innovation Systems, Inc. | I | −3 sh | $106.75 | −$320.25 | 0 |
| 2017-08-04 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,992 sh | $105.89 | ▼−$211K | 21,044 |
| 2017-08-04 | Northrop Grumman Innovation Systems, Inc. | S | ▼−10 sh | $106.60 | ▼−$1,066 | 21,034 |
| 2017-07-21 | Northrop Grumman Innovation Systems, Inc. | F | −991 sh | $103.25 | −$102K | 23,036 |
| 2017-07-17 | Northrop Grumman Innovation Systems, Inc. | S | ▼−200 sh | $101.91 | ▼−$20.4K | 24,027 |
| 2017-06-15 | Northrop Grumman Innovation Systems, Inc. | I | −1,044 sh | $98.77 | −$103K | 0 |
| 2017-03-17 | Northrop Grumman Innovation Systems, Inc. | F | −320 sh | $102.11 | −$32.7K | 24,197 |
| 2017-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −363 sh | $99.47 | −$36.1K | 24,517 |
| 2017-02-27 | Northrop Grumman Innovation Systems, Inc. | A | +4,086 sh | — | — | 4,086 |
| 2017-02-27 | Northrop Grumman Innovation Systems, Inc. | A | +2,138 sh | — | — | 24,880 |
| 2016-07-25 | Northrop Grumman Innovation Systems, Inc. | F | −2,140 sh | $86.76 | −$186K | 22,723 |
| 2016-07-21 | Northrop Grumman Innovation Systems, Inc. | F | −1,089 sh | $87.07 | −$94.8K | 24,863 |
| 2016-06-02 | Northrop Grumman Innovation Systems, Inc. | S | ▼−50 sh | $89.38 | ▼−$4,468.775 | 25,952 |
| 2016-06-01 | Northrop Grumman Innovation Systems, Inc. | S | ▼−500 sh | $88.70 | ▼−$44.4K | 26,002 |
| 2016-03-17 | Northrop Grumman Innovation Systems, Inc. | A | +2,895 sh | — | — | 26,502 |
| 2016-03-17 | Northrop Grumman Innovation Systems, Inc. | A | +5,601 sh | — | — | 5,601 |
| 2016-03-10 | Northrop Grumman Innovation Systems, Inc. | F | −352 sh | $77.24 | −$27.2K | 23,607 |
| 2016-02-10 | Northrop Grumman Innovation Systems, Inc. | F | −774 sh | $84.57 | −$65.5K | 23,959 |
| 2015-12-14 | Northrop Grumman Innovation Systems, Inc. | S | ▼−500 sh | $83.14 | ▼−$41.6K | 32,881 |
| 2015-10-24 | Northrop Grumman Innovation Systems, Inc. | F | −1,070 sh | $81.70 | −$87.4K | 33,381 |
| 2015-08-31 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,000 sh | $76.00 | ▼−$76K | 34,451 |
| 2015-07-25 | Northrop Grumman Innovation Systems, Inc. | F | −1,485 sh | $68.51 | −$102K | 35,451 |
| 2015-07-25 | Northrop Grumman Innovation Systems, Inc. | F | −248 sh | $68.51 | −$17K | 36,936 |
| 2015-07-21 | Northrop Grumman Innovation Systems, Inc. | F | −992 sh | $71.25 | −$70.7K | 37,184 |
| 2015-06-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−858 sh | $76.42 | ▼−$65.6K | 38,176 |
| 2015-03-10 | Northrop Grumman Innovation Systems, Inc. | A | +3,191 sh | — | — | 39,034 |
| 2015-03-10 | Northrop Grumman Innovation Systems, Inc. | A | +5,604 sh | — | — | 5,604 |
| 2015-02-10 | Northrop Grumman Innovation Systems, Inc. | F | −744 sh | $61.81 | −$46K | 35,843 |
| 2015-02-09 | ORBITAL SCIENCES CORP /DE/ | D | −3,727 sh | — | — | 0 |
| 2015-02-09 | ORBITAL SCIENCES CORP /DE/ | A | +10K sh | — | — | 81,847 |
| 2015-02-09 | ORBITAL SCIENCES CORP /DE/ | D | −81.8K sh | — | — | 0 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +36.6K sh | — | — | 36,587 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +1,673 sh | — | — | 1,673 |
| 2014-10-24 | ORBITAL SCIENCES CORP /DE/ | F | −1,654 sh | $29.03 | −$48K | 71,604 |
| 2014-07-27 | ORBITAL SCIENCES CORP /DE/ | F | −429 sh | $25.99 | −$11.1K | 73,258 |