| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 06/15/04 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Other acquisition or disposition | -- | -- | 25,000 |
| 06/15/04 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Other acquisition or disposition | -- | -- | 25,000 |
| 06/15/04 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Other acquisition or disposition | -- | -- | 25,000 |
| 06/15/04 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Other acquisition or disposition | -- | -- | 30,000 |
| 02/20/17 |
Chief Operating Officer
|
Chief Operating Officer | 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 | 1,994 | $10.10 | 114,006 |
| 06/01/09 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Open market or private sale of non-derivative or derivative security | 4,000 | $41.65 | 134,250 |
| 12/28/09 |
Chief Operating Officer
|
Chief Operating Officer | Form 4/A | Open market or private sale of non-derivative or derivative security | 4,250 | $43.29 | 163,000 |
| 12/28/09 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Open market or private sale of non-derivative or derivative security | 4,252 | $43.29 | 162,998 |
| 03/01/17 |
Chief Operating Officer
|
Chief Operating Officer | 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 | 4,558 | $9.92 | 109,448 |
| 05/18/06 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Open market or private sale of non-derivative or derivative security | 6,250 | $29.86 | 73,750 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.