| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 21, 2015 | Option Exercise | $20.33 | 135,574 | 2,756,219 | 669,574 | Apr 23, 2015, 05:38 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 25, 2014 | Option Exercise | $24.81 | 105,861 | 2,626,041 | 574,935 | Apr 29, 2014, 05:29 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 22, 2014 | Option Exercise | $33.14 | 82,565 | 2,736,520 | 536,959 | Apr 24, 2014, 04:26 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 22, 2013 | Option Exercise | $22.88 | 91,253 | 2,087,869 | 418,753 | Apr 24, 2013, 06:57 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Mar 29, 2013 | Option Exercise | $19.64 | 344,747 | 6,770,968 | 508,500 | Mar 29, 2013, 03:06 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Oct 31, 2011 | Option Exercise | $13.19 | 210,000 | 2,770,950 | 470,500 | Nov 02, 2011, 04:07 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 27, 2011 | Option Exercise | $31.20 | 6,075 | 189,540 | 260,925 | Apr 28, 2011, 05:36 PM | |
| PTEN | PATTERSON UTI ENERGY INC | VOLLMER JOHN E III | Chief Financial Officer | Apr 28, 2011 | Option Exercise | $30.90 | 425 | 13,132 | 260,500 | Apr 28, 2011, 05:36 PM |
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