| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 13, 2019 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,529 | -- | 45,427 | |
| Feb 13, 2019 | Corp VP, CFO | 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 | 5,527 | -- | 39,900 | |
| Feb 13, 2019 | Corp VP, CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,672 | -- | 38,442 | |
| Feb 13, 2019 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,529 | -- | 25,913 | |
| Feb 13, 2019 | Corp VP, CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3,830 | -- | 16,080 | |
| Feb 13, 2019 | Director, Chairman | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 41,763 | -- | 41,763 | |
| Feb 13, 2019 | Director, Chairman | 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 | 18,304 | -- | 23,459 | |
| Feb 13, 2019 | Director, Chairman | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,447 | -- | 92,155 | |
| Feb 13, 2019 | Director, Chairman | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 41,763 | -- | 50,392 | |
| Feb 13, 2019 | Corp VP & Pres, Mission System | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,440 | -- | 31,790 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.