| 5/7/2019 | Cadence Capital Management LLC | 1,040,961 | $1.69M | 0.2% | +1.8% | 2.591% |  |
| 4/24/2019 | Redmond Asset Management LLC | 361,599 | $0.59M | 0.3% | +1.8% | 0.900% | |
| 4/18/2019 | Eqis Capital Management Inc. | 18,010 | $29K | 0.0% | -52.1% | 0.045% | |
| 2/11/2019 | Prescott Group Capital Management L.L.C. | 875,942 | $0.89M | 0.2% | +65.7% | 2.189% | |
| 2/11/2019 | Bank of New York Mellon Corp | 46,360 | $47K | 0.0% | +271.0% | 0.116% | |
| 2/7/2019 | Acadian Asset Management LLC | 90,160 | $92K | 0.0% | +1,068.6% | 0.225% | |
| 2/4/2019 | Trellus Management Company LLC | 829,943 | $0.85M | 1.9% | +1.0% | 2.074% | |
| 12/13/2018 | Vanguard Group Inc | 823,620 | $1.41M | 0.0% | +45.5% | 2.059% | |
| 11/23/2018 | Vanguard Group Inc. | 823,620 | $1.41M | 0.0% | +45.5% | 2.059% | |
| 11/14/2018 | Manatuck Hill Partners LLC | 596,800 | $1.02M | 0.4% | N/A | 1.492% | |
| 11/13/2018 | Renaissance Technologies LLC | 183,924 | $0.32M | 0.0% | +131.3% | 0.460% | |
| 11/9/2018 | Prescott Group Capital Management L.L.C. | 528,535 | $0.90M | 0.2% | +235.2% | 1.321% | |
| 11/8/2018 | EAM Investors LLC | 432,435 | $0.74M | 0.1% | N/A | 1.234% | |
| 11/2/2018 | Cadence Capital Management LLC | 943,524 | $1.61M | 0.1% | N/A | 2.693% | |
| 8/14/2018 | Ardsley Advisory Partners | 165,413 | $0.18M | 0.0% | N/A | 0.472% | |
| 8/13/2018 | Prescott Group Capital Management L.L.C. | 157,681 | $0.17M | 0.0% | -38.8% | 0.473% | |
| 5/7/2018 | Prescott Group Capital Management L.L.C. | 257,681 | $0.29M | 0.1% | N/A | 0.773% | |
| 5/4/2018 | Vertex One Asset Management Inc. | 899,205 | $1.01M | 0.2% | -18.7% | 2.699% | |
| 2/14/2018 | Vertex One Asset Management Inc. | 1,106,264 | $1.04M | 0.2% | -9.7% | 3.387% | |
| 11/6/2017 | Redmond Asset Management LLC | 352,789 | $0.27M | 0.1% | -49.8% | 1.081% | |
| 8/11/2017 | Segment Wealth Management LLC | 505,820 | $0.54M | 0.1% | No Change | 1.573% | |
| 8/9/2017 | Benchmark Capital Advisors | 389,669 | $0.42M | 0.3% | +0.8% | 1.212% | |
| 7/25/2017 | Trellus Management Company LLC | 821,391 | $0.88M | 1.3% | No Change | 2.555% | |
| 7/20/2017 | Prescott Group Capital Management L.L.C. | 167,582 | $0.18M | 0.0% | +21.8% | 0.521% | |
| 5/11/2017 | Redmond Asset Management LLC | 701,292 | $0.92M | 0.4% | No Change | 2.109% | |
| 5/10/2017 | Stifel Financial Corp | 98,185 | $0.11M | 0.0% | -17.0% | 0.295% | |
| 5/9/2017 | Benchmark Capital Advisors | 386,669 | $0.43M | 0.3% | -1.6% | 1.163% | |
| 5/1/2017 | Prescott Group Capital Management L.L.C. | 137,582 | $0.15M | 0.0% | +0.6% | 0.414% | |
| 5/1/2017 | Trellus Management Company LLC | 821,391 | $0.91M | 1.4% | No Change | 2.470% | |
| 2/14/2017 | Vertex One Asset Management Inc. | 1,815,831 | $2.38M | 0.4% | +1,334.8% | 5.477% | |
| 2/10/2017 | Redmond Asset Management LLC | 701,292 | $0.92M | 0.4% | +0.4% | 2.115% | |
| 11/14/2016 | Ardsley Advisory Partners | 1,755,108 | $2.96M | 0.5% | N/A | 5.660% | |
| 11/1/2016 | Trellus Management Company LLC | 821,391 | $0.95M | 1.4% | No Change | 2.649% | |
| 8/9/2016 | Benchmark Capital Advisors | 343,969 | $0.46M | 0.4% | -1.1% | 1.156% | |
| 8/9/2016 | Segment Wealth Management LLC | 507,120 | $0.67M | 0.3% | +0.2% | 1.704% | |
| 5/13/2016 | Wellington Management Group LLP | 1,491,653 | $2.91M | 0.0% | +47.7% | 5.287% | |
| 5/13/2016 | Geode Capital Management LLC | 79,776 | $0.16M | 0.0% | -0.1% | 0.283% | |
| 5/10/2016 | Benchmark Capital Advisors | 347,769 | $0.68M | 0.6% | +44.4% | 1.233% | |
| 5/10/2016 | BlackRock Fund Advisors | 51,723 | $0.10M | 0.0% | -7.5% | 0.183% | |
