2/16/2023 | Caligan Partners LP | 478,777 | $1.30M | 1.0% | N/A | 6.840% |  |
2/15/2023 | Millennium Management LLC | 11,963 | $32K | 0.0% | N/A | 0.171% |  |
2/14/2023 | Susquehanna International Group LLP | 33,775 | $92K | 0.0% | N/A | 0.483% |  |
2/13/2023 | Renaissance Technologies LLC | 102,494 | $0.28M | 0.0% | -9.1% | 1.464% |  |
11/15/2022 | Perritt Capital Management Inc. | 18,000 | $91K | 0.1% | -34.3% | 0.257% |  |
11/15/2022 | BlackRock Inc. | 12,870 | $65K | 0.0% | -50.5% | 0.184% |  |
11/14/2022 | Renaissance Technologies LLC | 112,694 | $0.57M | 0.0% | -11.7% | 1.611% |  |
8/13/2022 | Renaissance Technologies LLC | 127,693 | $0.70M | 0.0% | +2.3% | 1.825% |  |
5/13/2022 | Renaissance Technologies LLC | 124,793 | $0.70M | 0.0% | -2.8% | 1.785% |  |
5/12/2022 | Healthcare of Ontario Pension Plan Trust Fund | 250,000 | $1.40M | 0.0% | N/A | 3.575% |  |
2/10/2022 | AIGH Capital Management LLC | 497,639 | $2.55M | 0.8% | -0.7% | 7.173% |  |
11/15/2021 | Ensign Peak Advisors Inc | 19,151 | $81K | 0.0% | N/A | 0.276% |  |
11/12/2021 | Renaissance Technologies LLC | 141,588 | $0.60M | 0.0% | -1.9% | 2.041% |  |
10/22/2021 | Optimum Investment Advisors | 8,108 | $34K | 0.0% | +170.3% | 0.117% |  |
8/25/2021 | Marshall Wace LLP | 13,086 | $0.12M | 0.0% | -50.6% | 0.189% |  |
8/17/2021 | Bridgeway Capital Management LLC | 38,300 | $0.35M | 0.0% | +6.5% | 0.554% |  |
8/16/2021 | PDT Partners LLC | 17,723 | $0.16M | 0.0% | +50.2% | 0.256% |  |
8/16/2021 | Morgan Stanley | 428,109 | $3.90M | 0.0% | +0.7% | 6.190% |  |
8/16/2021 | Diametric Capital LP | 30,842 | $0.28M | 0.2% | +17.1% | 0.446% |  |
8/16/2021 | Marshall Wace LLP | 13,086 | $0.12M | 0.0% | -50.6% | 0.189% |  |
8/13/2021 | Knott David M | 38,226 | $0.35M | 0.1% | -34.2% | 0.553% |  |
8/13/2021 | Geode Capital Management LLC | 25,091 | $0.23M | 0.0% | +14.7% | 0.363% |  |
8/13/2021 | Vanguard Group Inc. | 146,863 | $1.34M | 0.0% | +16.6% | 2.124% |  |
8/12/2021 | Dimensional Fund Advisors LP | 28,570 | $0.26M | 0.0% | N/A | 0.413% |  |
8/11/2021 | Deutsche Bank AG | 57,368 | $0.52M | 0.0% | +51.0% | 0.829% |  |
8/2/2021 | Optimum Investment Advisors | 3,000 | $27K | 0.0% | N/A | 0.043% |  |
5/21/2021 | Citadel Advisors LLC | 10,402 | $100K | 0.0% | N/A | 0.150% |  |
5/19/2021 | Diametric Capital LP | 26,328 | $0.25M | 0.2% | N/A | 0.381% |  |
5/18/2021 | Morgan Stanley | 425,312 | $4.09M | 0.0% | +1.1% | 6.150% |  |
5/18/2021 | Perritt Capital Management Inc. | 20,000 | $0.19M | 0.1% | N/A | 0.289% |  |
5/18/2021 | Citadel Advisors LLC | 10,402 | $100K | 0.0% | N/A | 0.150% |  |
5/17/2021 | PDT Partners LLC | 11,800 | $0.11M | 0.0% | N/A | 0.171% |  |
5/14/2021 | Cooper Creek Partners Management LLC | 38,197 | $0.37M | 0.1% | N/A | 0.552% |  |
5/13/2021 | Renaissance Technologies LLC | 145,213 | $1.40M | 0.0% | -12.1% | 2.100% |  |
5/13/2021 | Knott David M | 58,108 | $0.56M | 0.2% | -27.5% | 0.840% |  |
5/12/2021 | Geode Capital Management LLC | 21,872 | $0.21M | 0.0% | +57.3% | 0.316% |  |
5/11/2021 | Acadian Asset Management LLC | 16,950 | $0.16M | 0.0% | +86.8% | 0.246% |  |
2/10/2021 | Renaissance Technologies LLC | 165,207 | $0.70M | 0.0% | +39.3% | 3.219% |  |
12/30/2020 | Deerfield Management Company L.P. Series C | 68,413 | $0.33M | 0.0% | N/A | 1.333% |  |
2/20/2020 | Geode Capital Management LLC | 10,279 | $77K | 0.0% | -93.0% | 0.207% |  |
2/17/2020 | Palo Alto Investors LP | 200,919 | $1.52M | 0.1% | -93.3% | 4.043% |  |
2/13/2020 | Renaissance Technologies LLC | 75,704 | $0.57M | 0.0% | -93.1% | 1.524% |  |
2/11/2020 | JW Asset Management LLC | 27,552 | $0.21M | 0.2% | -93.3% | 0.555% |  |
2/6/2020 | Royce & Associates LP | 46,125 | $0.35M | 0.0% | -92.8% | 0.928% |  |
8/13/2019 | Stonepine Capital Management LLC | 6,439,498 | $5.73M | 3.9% | -0.7% | 9.070% |  |
8/13/2019 | Tower Research Capital LLC TRC | 54,852 | $49K | 0.0% | +32,745.5% | 0.077% |  |
8/13/2019 | BlackRock Inc. | 144,858 | $0.13M | 0.0% | -49.9% | 0.204% |  |
8/12/2019 | Renaissance Technologies LLC | 1,128,404 | $1M | 0.0% | +13.1% | 1.589% |  |
6/16/2019 | B. Riley Wealth Management Inc. | 139,302 | $0.15M | 0.0% | +36.7% | 0.196% |  |
5/13/2019 | Knott David M | 402,901 | $0.43M | 0.2% | +3.9% | 0.567% |  |
5/10/2019 | B. Riley Financial Inc. | 286,000 | $0.30M | 0.1% | -33.6% | 0.403% |  |
5/9/2019 | Royce & Associates LP | 571,275 | $0.61M | 0.0% | +79.0% | 0.805% |  |
5/7/2019 | Columbia Pacific Advisors LLC | 50,468 | $54K | 0.1% | N/A | 0.071% |  |
2/19/2019 | B. Riley Wealth Management Inc. | 101,906 | $73K | 0.0% | +23.5% | 0.145% |  |
2/13/2019 | Stonepine Capital Management LLC | 6,547,774 | $4.70M | 4.1% | -6.3% | 9.343% |  |
2/12/2019 | Knott David M | 387,901 | $0.28M | 0.1% | +20.1% | 0.554% |  |
2/11/2019 | Royce & Associates LP | 319,186 | $0.23M | 0.0% | +60.2% | 0.455% |  |
2/7/2019 | B. Riley Financial Inc. | 430,600 | $0.31M | 0.2% | -5.6% | 0.614% |  |
1/1/2019 | B. Riley Wealth Management Inc. | 82,499 | $81K | 0.0% | N/A | 0.118% |  |
11/19/2018 | B. Riley Financial Inc. | 456,200 | $0.45M | 0.1% | N/A | 0.651% |  |
11/13/2018 | Renaissance Technologies LLC | 732,790 | $0.72M | 0.0% | +27.7% | 1.046% |  |
11/13/2018 | Royce & Associates LP | 199,186 | $0.20M | 0.0% | N/A | 0.284% |  |
11/7/2018 | Acuta Capital Partners LLC | 267,500 | $0.26M | 0.1% | -72.5% | 0.382% |  |
8/14/2018 | Stonepine Capital Management LLC | 6,981,184 | $6.83M | 4.2% | +13.0% | 9.967% |  |
8/13/2018 | Renaissance Technologies LLC | 574,000 | $0.56M | 0.0% | +20.8% | 0.820% |  |
8/11/2018 | JW Asset Management LLC | 413,300 | $0.40M | 0.3% | -40.6% | 0.590% |  |
8/9/2018 | BlackRock Inc. | 272,248 | $0.27M | 0.0% | +28.5% | 0.389% |  |
5/11/2018 | JW Asset Management LLC | 696,000 | $0.72M | 0.7% | -28.0% | 0.994% |  |
2/14/2018 | Armistice Capital LLC | 6,812,000 | $9.06M | 0.9% | +8.7% | 9.851% |  |
2/13/2018 | Renaissance Technologies LLC | 416,400 | $0.55M | 0.0% | -11.0% | 0.602% |  |
2/13/2018 | Stonepine Capital Management LLC | 3,559,899 | $4.74M | 2.8% | +646.0% | 5.148% |  |
11/13/2017 | Stonepine Capital Management LLC | 477,226 | $0.64M | 0.4% | +158.2% | 0.690% |  |
8/14/2017 | Palo Alto Investors LLC | 3,013,793 | $4.19M | 0.2% | No Change | 4.602% |  |
8/14/2017 | Goldman Sachs Group Inc. | 303,823 | $0.42M | 0.0% | -40.3% | 0.464% |  |
8/14/2017 | Stonepine Capital Management LLC | 184,827 | $0.26M | 0.1% | -92.8% | 0.282% |  |
8/11/2017 | Vanguard Group Inc. | 1,601,262 | $2.23M | 0.0% | -12.6% | 2.467% |  |
8/11/2017 | PNC Financial Services Group Inc. | 180,300 | $0.25M | 0.0% | +24.3% | 0.278% |  |
8/4/2017 | JW Asset Management LLC | 966,000 | $1.34M | 0.9% | +15.6% | 1.488% |  |
7/25/2017 | Parkwood LLC | 228,123 | $0.32M | 0.0% | No Change | 0.351% |  |
5/18/2017 | Goldman Sachs Group Inc. | 509,103 | $0.71M | 0.0% | -37.4% | 0.785% |  |
5/15/2017 | Palo Alto Investors LLC | 3,013,793 | $4.22M | 0.2% | No Change | 4.646% |  |
5/15/2017 | Weiss Multi Strategy Advisers LLC | 85,000 | $0.12M | 0.0% | No Change | 0.131% |  |
5/12/2017 | Stonepine Capital Management LLC | 2,576,273 | $3.61M | 2.0% | -44.2% | 0.000% |  |
5/12/2017 | KCG Holdings Inc. | 78,604 | $0.11M | 0.0% | +127.0% | 0.000% |  |
5/12/2017 | Kennedy Capital Management Inc. | 333,248 | $0.47M | 0.0% | N/A | 0.000% |  |
5/12/2017 | PNC Financial Services Group Inc. | 145,100 | $0.20M | 0.0% | No Change | 0.000% |  |
5/5/2017 | Parkwood LLC | 228,123 | $0.32M | 0.0% | No Change | 0.352% |  |
2/14/2017 | Deerfield Management Co. | 5,878,015 | $6.35M | 0.3% | No Change | 9.062% |  |
2/14/2017 | Orbimed Advisors LLC | 250,000 | $0.27M | 0.0% | No Change | 0.385% |  |
2/14/2017 | Alyeska Investment Group L.P. | 1,013,892 | $1.10M | 0.0% | +0.8% | 1.563% |  |
2/10/2017 | North Run Capital LP | 1,730,000 | $1.87M | 0.6% | -50.5% | 2.667% |  |
2/10/2017 | Stonepine Capital Management LLC | 4,615,813 | $4.99M | 3.0% | +142.0% | 7.116% |  |
11/14/2016 | Great Point Partners LLC | 2,637,969 | $3.93M | 1.0% | N/A | 5.765% |  |
11/14/2016 | Sphera Funds Management LTD. | 200,715 | $0.30M | 0.0% | N/A | 0.439% |  |
8/15/2016 | Deerfield Management Co. | 5,878,015 | $7.23M | 0.3% | No Change | 12.846% |  |
5/16/2016 | Deerfield Management Co. | 5,878,015 | $10.29M | 0.4% | No Change | 13.034% |  |
5/13/2016 | Geode Capital Management LLC | 175,109 | $0.31M | 0.0% | -0.1% | 0.393% |  |
5/12/2016 | State Street Corp | 360,176 | $0.63M | 0.0% | +15.1% | 0.809% |  |
5/12/2016 | Spark Investment Management LLC | 189,400 | $0.33M | 0.0% | -15.5% | 0.425% |  |
5/10/2016 | BlackRock Institutional Trust Company N.A. | 219,251 | $0.38M | 0.0% | -4.0% | 0.492% |  |