| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Mar 07, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 5,661 | |
| Mar 07, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition | -- | -- | 207,161 | |
| Mar 06, 2019 | Corp VP & Pres, Mission System | Form 4 | Other acquisition or disposition | -- | -- | 35 | |
| Mar 05, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition (describe transaction) | 50,000 | -- | 50,000 | |
| Mar 05, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition (describe transaction) | 25,000 | -- | 20,036 | |
| Mar 05, 2019 | Director, Chairman | Form 4 | Other acquisition or disposition (describe transaction) | 25,000 | -- | 19,089 | |
| Mar 04, 2019 | Corp VP & Pres, Mission System | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $286.75 | 25,280 | |
| Mar 04, 2019 | Corp VP & Pres, Mission System | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $285.96 | 25,180 | |
| Mar 04, 2019 | Corp VP & Pres, Mission System | Form 4 | Open market or private sale of non-derivative or derivative security | 400 | $287.40 | 24,780 | |
| Mar 04, 2019 | Corp VP & Pres, Mission System | Form 4 | Open market or private sale of non-derivative or derivative security | 516 | $289.43 | 24,264 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.