| 2012-08-17 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Electronic Sys | 38,000 0.0153% | $69.12 | $2.63M | +0.57% | |
| 2012-02-21 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres Electronic Sys | 112,812 0.0447% | $60.09 | $6.78M | +12.45% | |
| 2008-03-04 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres, Electron. Sys. | 51,066 0.0168% | $80.99 | $4.14M | -17.33% | |
| 2006-02-17 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres, Electron. Sys. | 9,200 0.0029% | $64.95 | $597,564 | +3.46% | |
| 2006-02-16 | Sale | Northrop Grumman Corporation NOC | Corp VP & Pres, Electron. Sys. | 80,328 0.0257% | $65.04 | $5.22M | +3.75% |