| 2012-08-29 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 20,308 0.0082% | $67.25 | $1.37M | +3.1% | |
| 2012-08-15 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 26,250 0.009% | $58.12 | $1.53M | +2.01% | |
| 2012-07-31 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 95,738 0.0314% | $53.70 | $5.14M | +4.77% | |
| 2012-02-22 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 40,870 0.0162% | $60.08 | $2.46M | +12.21% | |
| 2012-02-17 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 71,250 0.0273% | $58.32 | $4.16M | +11.94% | |
| 2011-05-11 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 29,498 0.0104% | $64.92 | $1.92M | -5.78% | |
| 2011-05-03 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 90,000 0.0259% | $52.98 | $4.77M | -5.87% | |
| 2010-11-10 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Aerospace Sys | 4,000 0.0013% | $57.05 | $228,200 | +3.76% |