| 2015-11-18 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-18 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-17 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-17 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-16 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-16 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-13 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-13 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-11 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-11-10 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO; Swiftcurrent Offshore Master, Ltd. | D | $0 |
| 2015-04-03 | Joint reporting: SWIFTCURRENT OFFSHORE, LTD.; BRIDGER MANAGEMENT, LLC; MIGNONE ROBERTO | J | — |
| 2014-07-10 | SCHREIBER DAVID | A | $0 |
| 2014-07-10 | WURZER DAVID M | A | $0 |
| 2014-07-10 | HARRIS KEVIN ROY(Vice President and CFO) | A | $0 |
| 2014-07-10 | CALHOUN KIRK K | A | $0 |
| 2014-07-10 | Serruya Michael | A | $0 |
| 2014-07-10 | van den Broek Richard | A | $0 |
| 2014-07-10 | CHAWLA SAM | A | $0 |
| 2014-07-10 | ASTROW STEPHANIE H.(VP of Research and Development) | A | $0 |
| 2014-07-10 | BOLOGNA THOMAS A(Chief Executive Officer) | A | $0 |