| August 31, 2016 | Eyck Capital Management LLP | 0.45% | still open |
| August 19, 2016 | Susquehanna International Holdings LLC | 0.46% | still open |
| August 4, 2016 | Susquehanna International Holdings LLC | 0.60% | still open |
| July 27, 2016 | Susquehanna International Holdings LLC | 0.57% | still open |
| July 26, 2016 | Eyck Capital Management LLP | 0.59% | still open |
| July 21, 2016 | Eyck Capital Management LLP | 0.66% | still open |
| July 14, 2016 | Susquehanna International Holdings LLC | 0.60% | still open |
| June 28, 2016 | Eyck Capital Management LLP | 0.99% | still open |
| February 25, 2014 | Kite Lake Capital Management (UK) LLP | 0.08% | still open |
| February 25, 2014 | Susquehanna International Holdings LLC | 0.08% | still open |
| February 25, 2014 | Alden Global Capital Limited | 0.07% | still open |
| February 24, 2014 | Capeview Capital | 0.07% | still open |
| February 21, 2014 | Kite Lake Capital Management (UK) LLP | 1.57% | still open |
| February 20, 2014 | Kite Lake Capital Management (UK) LLP | 1.43% | still open |
| February 19, 2014 | Susquehanna International Holdings LLC | 1.84% | still open |
| February 19, 2014 | Kite Lake Capital Management (UK) LLP | 1.36% | still open |
| February 19, 2014 | Makuria Investment Management (UK) LLP | 0.00% | still open |
| February 18, 2014 | Susquehanna International Holdings LLC | 1.75% | still open |
| February 18, 2014 | Kite Lake Capital Management (UK) LLP | 1.29% | still open |
| February 17, 2014 | Susquehanna International Holdings LLC | 1.64% | still open |
| February 17, 2014 | Kite Lake Capital Management (UK) LLP | 1.09% | still open |
| February 14, 2014 | Susquehanna International Holdings LLC | 1.56% | still open |
| February 7, 2014 | Makuria Investment Management (UK) LLP | 1.71% | still open |
| February 6, 2014 | Makuria Investment Management (UK) LLP | 1.58% | still open |
| January 31, 2014 | Susquehanna International Holdings LLC | 1.48% | still open |
| January 30, 2014 | Susquehanna International Holdings LLC | 1.39% | still open |
| January 29, 2014 | Susquehanna International Holdings LLC | 1.47% | still open |
| January 29, 2014 | Kite Lake Capital Management (UK) LLP | 0.89% | still open |
| January 28, 2014 | Kite Lake Capital Management (UK) LLP | 0.75% | still open |
| January 28, 2014 | Susquehanna International Holdings LLC | 0.00% | still open |
| January 27, 2014 | Susquehanna International Holdings LLC | 1.18% | still open |
| January 24, 2014 | Makuria Investment Management (UK) LLP | 1.34% | still open |
| January 23, 2014 | Susquehanna International Holdings LLC | 1.37% | still open |
| January 23, 2014 | Makuria Investment Management (UK) LLP | 1.12% | still open |
| January 23, 2014 | Kite Lake Capital Management (UK) LLP | 0.48% | still open |
| January 22, 2014 | Makuria Investment Management (UK) LLP | 0.90% | still open |
| January 22, 2014 | Kite Lake Capital Management (UK) LLP | 0.86% | still open |
| January 20, 2014 | Susquehanna International Holdings LLC | 1.26% | still open |
| January 20, 2014 | Kite Lake Capital Management (UK) LLP | 1.21% | still open |
| January 16, 2014 | Susquehanna International Holdings LLC | 1.31% | still open |
| January 16, 2014 | Makuria Investment Management (UK) LLP | 0.67% | still open |
| January 15, 2014 | Susquehanna International Holdings LLC | 1.24% | still open |
| January 13, 2014 | Crestwood Capital Management, L.P. | 0.00% | still open |
| January 10, 2014 | Kite Lake Capital Management (UK) LLP | 1.14% | still open |
| January 9, 2014 | Susquehanna International Holdings LLC | 1.08% | still open |
| January 9, 2014 | Crestwood Capital Management, L.P. | 0.29% | still open |
| January 8, 2014 | Susquehanna International Holdings LLC | 1.19% | still open |
| January 8, 2014 | Crestwood Capital Management, L.P. | 0.55% | still open |
| January 7, 2014 | Susquehanna International Holdings LLC | 1.31% | still open |
| January 7, 2014 | Kite Lake Capital Management (UK) LLP | 1.00% | still open |