| 2014-12-09 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 24,698 0.0117% | $145.38 | $3.59M | +11.48% | |
| 2014-05-30 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 31,352 0.0146% | $120.00 | $3.76M | +16.41% | |
| 2013-11-01 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 14,400 0.0063% | $108.71 | $1.57M | +13.46% | |
| 2013-10-31 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 104,528 0.0455% | $107.43 | $11.23M | +14.07% | |
| 2013-06-04 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 57,892 0.0248% | $82.77 | $4.79M | +35.24% | |
| 2012-12-10 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 40,000 0.0129% | $54.58 | $2.18M | +23.22% | |
| 2010-11-10 | Sale | Northrop Grumman Corporation NOC | Corp VP, Communications | 26,000 0.0094% | $62.41 | $1.62M | +3.76% | |
| 2009-02-12 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Communications | 2,000 0.0007% | $45.23 | $90,460 | +7.24% |