| 2011-04-29 | Sale | Northrop Grumman Corporation NOC | Corp VP & Chf Tech Officer | 59,243 0.0203% | $61.73 | $3.66M | -3.8% | |
| 2008-03-04 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres. Space Tech. | 90,740 0.0297% | $80.39 | $7.29M | -17.33% | |
| 2006-02-21 | Sale | Northrop Grumman Corporation NOC | Corp. VP & Pres. Space Tech. | 23,640 0.0076% | $65.24 | $1.54M | +4.22% |