| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −2,076 sh | $134.50 | −$279K | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −12.2K sh | $134.50 | −$1.65M | 0 |
| 2018-06-06 | Northrop Grumman Innovation Systems, Inc. | D | −2,190 sh | $134.50 | −$295K | 0 |
| 2017-08-10 | Northrop Grumman Innovation Systems, Inc. | A | +1,133 sh | — | — | 2,076 |
| 2016-05-04 | Northrop Grumman Innovation Systems, Inc. | A | +1,147 sh | — | — | 2,190 |
| 2016-01-06 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,392 sh | $94.00 | ▼−$131K | 943 |
| 2016-01-04 | Northrop Grumman Innovation Systems, Inc. | S | ▼−2,519 sh | $88.88 | ▼−$224K | 2,335 |
| 2016-01-01 | Northrop Grumman Innovation Systems, Inc. | M | +2,245 sh | $28.91 | +$64.9K | 5,581 |
| 2016-01-01 | Northrop Grumman Innovation Systems, Inc. | F | −727 sh | $89.34 | −$65K | 4,854 |
| 2016-01-01 | Northrop Grumman Innovation Systems, Inc. | M | +2,245 sh | — | — | 0 |
| 2015-11-06 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,407 sh | $84.40 | ▼−$119K | 16,873 |
| 2015-10-28 | Northrop Grumman Innovation Systems, Inc. | G | −2,393 sh | — | — | 14,480 |
| 2015-10-28 | Northrop Grumman Innovation Systems, Inc. | G | +2,393 sh | — | — | 3,336 |
| 2015-08-05 | Northrop Grumman Innovation Systems, Inc. | A | +1,043 sh | — | — | 1,043 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +16K sh | — | — | 16,034 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +943 sh | — | — | 943 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +18.3K sh | — | — | 18,280 |
| 2015-02-09 | Northrop Grumman Innovation Systems, Inc. | A | +2,245 sh | — | — | 2,245 |
| 2015-02-09 | ORBITAL SCIENCES CORP /DE/ | D | −42.8K sh | — | — | 0 |
| 2015-02-09 | ORBITAL SCIENCES CORP /DE/ | D | −5,000 sh | — | — | 0 |
| 2015-01-01 | ORBITAL SCIENCES CORP /DE/ | M | +5,000 sh | $11.47 | +$57.4K | 56,464 |
| 2015-01-01 | ORBITAL SCIENCES CORP /DE/ | M | −5,000 sh | — | — | 0 |
| 2014-12-26 | ORBITAL SCIENCES CORP /DE/ | G | −3,000 sh | — | — | 42,814 |
| 2014-12-12 | ORBITAL SCIENCES CORP /DE/ | G | −3,000 sh | — | — | 45,814 |
| 2014-10-20 | ORBITAL SCIENCES CORP /DE/ | G | −2,400 sh | — | — | 48,814 |
| 2014-01-03 | ORBITAL SCIENCES CORP /DE/ | A | +1,942 sh | — | — | 51,464 |
| 2013-01-03 | ORBITAL SCIENCES CORP /DE/ | A | +3,134 sh | — | — | 49,522 |
| 2012-01-04 | ORBITAL SCIENCES CORP /DE/ | A | +3,101 sh | — | — | 46,388 |
| 2011-05-10 | ORBITAL SCIENCES CORP /DE/ | S | ▼−4,598 sh | $19.00 | ▼−$87.3K | 43,287 |
| 2011-01-04 | ORBITAL SCIENCES CORP /DE/ | A | +2,296 sh | — | — | 47,885 |
| 2010-01-05 | ORBITAL SCIENCES CORP /DE/ | A | +2,497 sh | — | — | 45,589 |
| 2009-01-05 | ORBITAL SCIENCES CORP /DE/ | A | +2,101 sh | — | — | 45,092 |
| 2008-01-03 | ORBITAL SCIENCES CORP /DE/ | A | +1,645 sh | — | — | 42,991 |
| 2007-12-28 | ORBITAL SCIENCES CORP /DE/ | G | −2,000 sh | — | — | 43,092 |
| 2006-01-03 | ORBITAL SCIENCES CORP /DE/ | A | +5,000 sh | — | — | 5,000 |
| 2005-07-01 | ORBITAL SCIENCES CORP /DE/ | A | +1,009 sh | $9.92 | +$10K | 51,116 |
| 2005-05-23 | ORBITAL SCIENCES CORP /DE/ | P | ▲+1,000 sh | $10.31 | ▲+$10.3K | 50,107 |
| 2005-01-03 | ORBITAL SCIENCES CORP /DE/ | A | +5,000 sh | — | — | 5,000 |
| 2004-04-27 | ORBITAL SCIENCES CORP /DE/ | P | ▲+790 sh | $12.80 | ▲+$10.1K | 45,096 |
| 2004-01-02 | ORBITAL SCIENCES CORP /DE/ | A | +5,000 sh | — | — | 62,241 |
| 2003-10-21 | ORBITAL SCIENCES CORP /DE/ | A | +102 sh | — | — | 57,241 |
| 2003-10-20 | ORBITAL SCIENCES CORP /DE/ | A | +103 sh | — | — | 57,139 |