| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Mar 31, 2011 | Corp VP & Pres Tech Servs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,031 | -- | 12,031 | |
| Feb 19, 2014 | Corp VP & Pres Info Syst | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,064 | -- | 20,730 | |
| Feb 19, 2014 | Corp VP & Pres Info Syst | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,064 | -- | 62,472 | |
| Feb 15, 2012 | Corp VP & Pres Tech Servs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,070 | -- | 32,292 | |
| Feb 19, 2014 | Corp VP, Controller & CAO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,134 | -- | 16,719 | |
| Feb 19, 2014 | Corp VP, Controller & CAO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,134 | -- | 14,218 | |
| Feb 25, 2008 | Corp. VP & Pres. Shipbuilding | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 12,155 | $81.00 | 85,037 | |
| Feb 17, 2017 | Corp VP & Pres Mission Syst | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 12,197 | $243.58 | 79,676 | |
| Feb 17, 2009 | Corp.VP, Bus Dev & Gov. Rel. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,200 | $44.99 | 97,875 | |
| Feb 17, 2009 | Corp. VP & Pres. Space Tech. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,200 | $44.99 | 76,708 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.