| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 13, 2018 | Corp VP & President AS Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 8,389 | -- | 24,180 | |
| May 31, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 8,400 | $55.52 | 120,304 | |
| Feb 18, 2015 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,446 | -- | 16,067 | |
| Feb 18, 2015 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,446 | -- | 9,843 | |
| Feb 25, 2008 | Corp VP & Pres Elec Miss. Sys. | 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 | 8,448 | $81.00 | 89,192 | |
| Feb 27, 2015 | 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 | 8,497 | $165.71 | 275,847 | |
| Feb 13, 2018 | Corp VP, CFO | Form 4/A | 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 | 8,532 | -- | 31,455 | |
| Feb 25, 2008 | Corp VP & Pres Mission Systems | 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 | 8,532 | $81.00 | 67,490 | |
| Feb 13, 2018 | President and COO | Form 4/A | 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 | 8,533 | -- | 84,743 | |
| May 09, 2011 | Chf. Exec. Officer & President | 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 | 8,536 | $64.81 | 327,129 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.