| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 19, 2019 | Director, President and CEO | 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 | 2,601 | $287.35 | 99,732 | |
| Feb 19, 2019 | Director, President and CEO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,767 | -- | 28,151 | |
| Feb 15, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 55,551 | |
| Feb 15, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 5,637 | |
| Feb 15, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 55,549 | |
| Feb 15, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 239,059 | |
| Feb 15, 2019 | Corp VP & Pres, Mission System | Form 4 | Other acquisition or disposition | -- | -- | 35 | |
| Feb 15, 2019 | Corp VP & Pres Tech Svcs | Form 4 | Other acquisition or disposition | -- | -- | 1,695 | |
| Feb 15, 2019 | Corp VP, Government Relations | Form 4 | Other acquisition or disposition | -- | -- | 25 | |
| Feb 15, 2019 | CVP Chief Global Bus Off | Form 4 | Other acquisition or disposition | -- | -- | 519 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.