| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 19, 2017 | Corp VP & Pres Mission Syst | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 7,560 | -- | 87,236 | |
| Feb 19, 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 | 3,607 | $243.58 | 83,629 | |
| Feb 19, 2017 | Corp VP & Pres Mission Syst | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 7,560 | -- | 16,186 | |
| Feb 17, 2017 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 3,183 | -- | 11,923 | |
| Feb 17, 2017 | Corp VP & CTO | 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 | 1,168 | $243.58 | 10,755 | |
| Feb 17, 2017 | Corp VP & CTO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 4,152 | -- | 13,811 | |
| Feb 17, 2017 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 3,183 | -- | 10,627 | |
| Feb 17, 2017 | Corp VP, Government Relations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 14,310 | -- | 77,554 | |
| Feb 17, 2017 | Corp VP, Government Relations | 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 | 6,227 | $243.58 | 71,327 | |
| Feb 17, 2017 | Corp VP, Government Relations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 9,827 | -- | 32,377 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.