| 2014-11-18 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 54,920 0.0263% | $137.97 | $7.58M | +18.94% | |
| 2014-03-07 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 109,614 0.0508% | $124.52 | $13.65M | +3.24% | |
| 2014-03-05 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 119,472 0.0554% | $123.98 | $14.81M | +3.65% | |
| 2014-02-12 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 93,738 0.0292% | $79.58 | $7.46M | +7.14% | |
| 2013-11-01 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 97,672 0.0358% | $91.02 | $8.89M | +13.46% | |
| 2013-05-01 | Sale | Northrop Grumman Corporation NOC | Corp. VP, Operations | 90,000 0.0298% | $58.70 | $5.28M | +44.78% | |
| 2011-11-07 | Northrop Grumman Corporation NOC | Corp. VP & Pres Info Sys | 2,749.73 0.001% | $57.93 | $159,302 | +6.83% | ||
| 2011-05-04 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres Info Sys | 17,500 0.0054% | $56.53 | $989,275 | -5.02% | |
| 2010-08-03 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres Info Sys | 14,000 0.0047% | $52.98 | $741,720 | +15.84% | |
| 2009-11-12 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres Info Sys | 8,572 0.0026% | $44.58 | $382,097 | +11.47% | |
| 2008-03-04 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres. Info. Tech. | 30,000 0.0098% | $80.27 | $2.41M | -17.33% |