| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Aug 06, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 5,586 | |
| Aug 06, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 75,552 | |
| Aug 06, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 259,053 | |
| Aug 02, 2018 | Director, Chairman and CEO | Form 4 | Open market or private sale of non-derivative or derivative security | 1,300 | $296.94 | 18,701 | |
| Aug 02, 2018 | Director, Chairman and CEO | Form 4 | Open market or private sale of non-derivative or derivative security | 2,000 | $299.07 | 16,701 | |
| Aug 02, 2018 | Director, Chairman and CEO | Form 4 | Open market or private sale of non-derivative or derivative security | 5,400 | $298.48 | 11,301 | |
| Aug 02, 2018 | Director, Chairman and CEO | Form 4 | Open market or private sale of non-derivative or derivative security | 11,300 | $297.55 | 1 | |
| Aug 02, 2018 | Corp VP & Pres, Mission System | Form 4 | Other acquisition or disposition | -- | -- | 35 | |
| Aug 02, 2018 | CVP Chief Global Bus Dev Off | Form 4 | Other acquisition or disposition | -- | -- | 515 | |
| Aug 02, 2018 | CVP Chief Global Bus Dev Off | Form 4 | Other acquisition or disposition | -- | -- | 45 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.