| 2/20/2020 | Geode Capital Management LLC | 120,236 | $0.26M | 0.0% | +11.0% | 0.334% | |
| 2/13/2020 | Renaissance Technologies LLC | 1,571,439 | $3.46M | 0.0% | +7.0% | 4.370% | |
| 2/11/2020 | Cutter & CO Brokerage Inc. | 33,417 | $74K | 0.0% | -23.0% | 0.093% | |
| 2/11/2020 | EAM Investors LLC | 429,719 | $0.95M | 0.2% | N/A | 1.195% | |
| 1/29/2020 | North Star Investment Management Corp. | 2,515,820 | $5.54M | 0.6% | +1.7% | 6.997% | |
| 11/27/2019 | Virtu Financial LLC | 36,851 | $57K | 0.0% | N/A | 0.102% | |
| 10/3/2019 | North Star Investment Management Corp. | 2,474,875 | $3.84M | 0.4% | +4.5% | 6.909% | |
| 8/14/2019 | Vanguard Group Inc. | 505,708 | $0.63M | 0.0% | +95.1% | 1.424% | |
| 8/13/2019 | Perritt Capital Management Inc. | 26,550 | $33K | 0.0% | -90.9% | 0.075% | |
| 8/12/2019 | Renaissance Technologies LLC | 1,254,574 | $1.57M | 0.0% | +6.5% | 3.532% | |
| 8/6/2019 | Mid Atlantic Financial Management Inc. ADV | 61,100 | $76K | 0.0% | +43.0% | 0.172% | |
| 7/31/2019 | Cutter & CO Brokerage Inc. | 45,417 | $57K | 0.0% | N/A | 0.128% | |
| 6/30/2019 | North Star Investment Management Corp. | 2,368,175 | $2.96M | 0.3% | +22.0% | 6.667% | |
| 5/10/2019 | B. Riley Financial Inc. | 60,931 | $62K | 0.0% | -67.1% | 0.172% | |
| 5/6/2019 | Teacher Retirement System of Texas | 165,000 | $0.17M | 0.0% | -69.5% | 0.466% | |
| 4/10/2019 | North Star Investment Management Corp. | 1,940,736 | $1.96M | 0.2% | +8.6% | 5.480% | |
| 2/12/2019 | Shepherd Kaplan Krochuk LLC | 53,535 | $49K | 0.0% | -36.3% | 0.153% | |
| 2/8/2019 | 22NW LP | 434,334 | $0.40M | 0.2% | N/A | 1.241% | |
| 2/7/2019 | B. Riley Financial Inc. | 185,067 | $0.17M | 0.1% | N/A | 0.529% | |
| 2/7/2019 | S. Muoio & CO. LLC | 50,000 | $46K | 0.0% | N/A | 0.143% | |
| 1/7/2019 | North Star Investment Management Corp. | 1,786,685 | $1.63M | 0.2% | +3.1% | 5.106% | |
| 12/13/2018 | Vanguard Group Inc | 885,653 | $1.37M | 0.0% | +2.3% | 2.531% | |
| 11/13/2018 | Bridgeway Capital Management Inc. | 278,251 | $0.43M | 0.0% | -39.3% | 0.795% | |
| 11/13/2018 | Dimensional Fund Advisors LP | 849,829 | $1.32M | 0.0% | -5.7% | 2.429% | |
| 11/9/2018 | Globeflex Capital L P | 102,300 | $0.16M | 0.0% | -32.0% | 0.292% | |
| 11/9/2018 | BlackRock Inc. | 85,232 | $0.13M | 0.0% | -72.8% | 0.244% | |
| 10/11/2018 | North Star Investment Management Corp. | 1,733,335 | $2.69M | 0.3% | +13.9% | 4.955% | |
| 8/15/2018 | B. Riley Financial Inc. | 182,018 | $0.27M | 0.1% | N/A | 0.520% | |
| 8/15/2018 | Bard Associates Inc. | 150,000 | $0.23M | 0.1% | N/A | 0.429% | |
| 8/14/2018 | Portolan Capital Management LLC | 1,946,319 | $2.92M | 0.3% | -23.2% | 5.564% | |
| 8/13/2018 | Renaissance Technologies LLC | 1,078,900 | $1.62M | 0.0% | -5.8% | 3.085% | |
| 7/20/2018 | North Star Investment Management Corp. | 1,522,335 | $2.28M | 0.3% | +3.2% | 4.353% | |
| 5/16/2018 | Lafitte Capital Management LP | 1,046,523 | $2.15M | 0.9% | -43.0% | 2.993% | |
| 5/16/2018 | Wynnefield Capital Inc. | 436,583 | $0.90M | 0.3% | +37.0% | 1.248% | |
| 5/15/2018 | Cannell Capital LLC | 1,198,157 | $2.46M | 0.8% | -5.8% | 3.426% | |
| 5/14/2018 | Uniplan Investment Counsel Inc. | 1,480,000 | $3.03M | 0.1% | -10.6% | 4.232% | |
| 5/11/2018 | Russell Investments Group Ltd. | 995,645 | $2.04M | 0.0% | -6.2% | 2.847% | |
| 2/16/2018 | William Blair Investment Management LLC | 1,877,106 | $4.73M | 0.0% | -24.3% | 5.283% | |
| 2/15/2018 | Macquarie Group Ltd. | 74,740 | $0.19M | 0.0% | -32.3% | 0.210% | |
| 2/15/2018 | Millennium Management LLC | 81,298 | $0.21M | 0.0% | +70.7% | 0.229% | |
| 2/15/2018 | Lafitte Capital Management LP | 1,836,950 | $4.63M | 1.9% | -16.0% | 5.170% | |
| 2/7/2018 | Teacher Retirement System of Texas | 540,321 | $1.36M | 0.0% | N/A | 1.521% | |
| 1/25/2018 | Perritt Capital Management Inc. | 498,650 | $1.26M | 0.4% | +22.0% | 1.403% | |
| 1/18/2018 | Acadian Asset Management LLC | 223,541 | $0.56M | 0.0% | -33.0% | 0.629% | |
| 1/11/2018 | North Star Investment Management Corp. | 1,122,140 | $2.83M | 0.3% | +34.4% | 3.158% | |
| 11/14/2017 | Uniplan Investment Counsel Inc. | 714,271 | $2.06M | 0.1% | -19.6% | 2.010% | |
| 11/13/2017 | AlpInvest Partners B.V. | 403,439 | $1.17M | 4.9% | N/A | 1.135% | |
| 11/13/2017 | Dimensional Fund Advisors LP | 849,141 | $2.45M | 0.0% | +17.2% | 2.390% | |
| 11/9/2017 | Citadel Advisors LLC | 40,109 | $0.12M | 0.0% | N/A | 0.113% | |
| 11/9/2017 | Archon Capital Management LLC | 1,025,630 | $2.96M | 1.6% | +74.9% | 2.887% | |
| 11/8/2017 | Macquarie Group Ltd. | 110,472 | $0.32M | 0.0% | N/A | 0.311% | |
| 11/7/2017 | Russell Investments Group Ltd. | 1,006,159 | $2.91M | 0.0% | +19.4% | 2.832% | |
| 10/31/2017 | Perkins Capital Management Inc. | 151,700 | $0.44M | 0.5% | -12.1% | 0.421% | |
| 10/23/2017 | Thomson Horstmann & Bryant Inc. | 1,163,224 | $3.36M | 0.5% | -7.5% | 3.226% | |
| 10/21/2017 | Skylands Capital LLC | 211,300 | $0.61M | 0.1% | +82.1% | 0.586% | |
| 8/14/2017 | Wilshire Associates Inc | 53,428 | $0.17M | 0.2% | N/A | 0.148% | |
| 8/14/2017 | Goldman Sachs Group Inc. | 94,806 | $0.31M | 0.0% | -1.3% | 0.263% | |
| 8/14/2017 | HarbourVest Partners LLC | 1,476,877 | $4.77M | 2.1% | N/A | 4.096% | |
| 8/14/2017 | Archon Capital Management LLC | 586,538 | $1.90M | 1.5% | +6.6% | 1.627% | |
| 8/11/2017 | Dimensional Fund Advisors LP | 724,630 | $2.34M | 0.0% | +22.1% | 2.100% | |
| 8/11/2017 | Globeflex Capital L P | 40,928 | $0.13M | 0.0% | No Change | 0.119% | |
| 8/11/2017 | GSA Capital Partners LLP | 50,664 | $0.16M | 0.0% | -72.8% | 0.147% | |
| 8/10/2017 | Fort Washington Investment Advisors Inc. OH | 36,021 | $0.12M | 0.0% | N/A | 0.104% | |
| 8/10/2017 | Uniplan Investment Counsel Inc. | 888,544 | $2.87M | 0.1% | N/A | 2.575% | |
| 8/10/2017 | Kennedy Capital Management Inc. | 262,613 | $0.85M | 0.0% | N/A | 0.761% | |
| 8/9/2017 | JPMorgan Chase & Co. | 72,043 | $0.23M | 0.0% | N/A | 0.209% | |
| 8/4/2017 | Cadence Capital Management LLC | 121,437 | $0.39M | 0.0% | +5.7% | 0.352% | |
| 8/4/2017 | William Blair Investment Management LLC | 2,367,745 | $7.65M | 0.0% | +10.5% | 6.861% | |
| 8/4/2017 | Blair William & Co. IL | 97,313 | $0.31M | 0.0% | -23.6% | 0.282% | |
| 7/27/2017 | Spark Investment Management LLC | 37,600 | $0.12M | 0.0% | No Change | 0.109% | |
| 7/26/2017 | Hamilton Lane Advisors LLC | 585,603 | $1.89M | 1.0% | N/A | 1.697% | |
| 7/26/2017 | Perkins Capital Management Inc. | 172,600 | $0.56M | 0.6% | -8.8% | 0.500% | |
| 7/25/2017 | Acadian Asset Management LLC | 431,543 | $1.39M | 0.0% | -10.5% | 1.251% | |
| 7/25/2017 | Russell Investments Group Ltd. | 842,331 | $2.72M | 0.0% | +4,726.0% | 2.441% | |
| 7/21/2017 | Thomson Horstmann & Bryant Inc. | 1,257,035 | $4.06M | 0.5% | +45.2% | 3.643% | |
| 7/20/2017 | Skylands Capital LLC | 116,055 | $0.38M | 0.1% | +646.3% | 0.336% | |
| 7/18/2017 | North Star Investment Management Corp. | 710,025 | $2.29M | 0.3% | +14.7% | 2.058% | |
| 5/25/2017 | Lafitte Capital Management LP | 2,473,694 | $8.29M | 4.6% | No Change | 7.168% | |
| 5/18/2017 | Goldman Sachs Group Inc. | 96,007 | $0.32M | 0.0% | -12.6% | 0.280% | |
| 5/12/2017 | Renaissance Technologies LLC | 956,200 | $3.20M | 0.0% | -1.9% | 2.767% | |
| 5/12/2017 | Cannell Capital LLC | 836,920 | $2.80M | 0.9% | No Change | 2.422% | |
| 5/12/2017 | Dimensional Fund Advisors LP | 593,242 | $1.99M | 0.0% | +1.3% | 1.717% | |
| 5/12/2017 | Globeflex Capital L P | 40,928 | $0.14M | 0.0% | +17,850.9% | 0.118% | |
| 5/11/2017 | Spark Investment Management LLC | 37,600 | $0.13M | 0.0% | -38.3% | 0.109% | |
| 5/11/2017 | Cadence Capital Management LLC | 114,925 | $0.39M | 0.0% | -42.9% | 0.333% | |
| 5/10/2017 | William Blair Investment Management LLC | 2,143,636 | $7.18M | 0.0% | -6.9% | 6.203% | |
| 5/10/2017 | Blair William & Co. IL | 127,313 | $0.43M | 0.0% | +5.3% | 0.368% | |
| 5/5/2017 | TFS Capital LLC | 48,172 | $0.16M | 0.1% | +169.9% | 0.139% | |
| 5/4/2017 | Acrospire Investment Management LLC | 35,385 | $0.12M | 0.1% | -58.2% | 0.102% | |
| 4/28/2017 | North Star Investment Management Corp. | 619,025 | $2.07M | 0.3% | No Change | 1.791% | |
| 4/25/2017 | Acadian Asset Management LLC | 481,967 | $1.62M | 0.0% | +2.6% | 1.395% | |
| 4/20/2017 | Thomson Horstmann & Bryant Inc. | 865,690 | $2.90M | 0.4% | +389.7% | 2.505% | |
| 4/19/2017 | Perkins Capital Management Inc. | 189,250 | $0.63M | 0.7% | -7.6% | 0.548% | |
| 3/29/2017 | Oak Management Corp | 9,432,112 | $33.20M | 9.5% | No Change | 27.295% | |
| 2/14/2017 | Lafitte Capital Management LP | 2,473,694 | $8.71M | 4.7% | +0.0% | 7.072% | |
| 2/14/2017 | Perritt Capital Management Inc. | 368,550 | $1.30M | 0.3% | +2.4% | 1.054% | |
| 2/14/2017 | GSA Capital Partners LLP | 203,022 | $0.72M | 0.0% | +26.8% | 0.580% | |
| 2/14/2017 | William Blair Investment Management LLC | 2,301,701 | $8.10M | 0.0% | -1.7% | 6.581% | |
| 2/13/2017 | Renaissance Technologies LLC | 974,635 | $3.43M | 0.0% | -3.2% | 2.787% | |
| 2/10/2017 | Archon Capital Management LLC | 253,940 | $0.89M | 1.5% | N/A | 0.726% | |
