CEMPRA INC's ticker is and the CUSIP is 15130J959. A total of 2 filers reported holding CEMPRA INC in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $202,000 | -44.0% | 62,300 | -20.5% | 0.00% | -50.0% |
| Q2 2017 | $361,000 | -11.5% | 78,400 | -28.0% | 0.00% | -20.0% |
| Q1 2017 | $408,000 | +304.0% | 108,900 | +200.8% | 0.01% | +400.0% |
| Q4 2016 | $101,000 | -96.1% | 36,200 | -65.9% | 0.00% | -96.4% |
| Q3 2016 | $2,572,000 | +1974.2% | 106,300 | +1317.3% | 0.03% | +2700.0% |
| Q2 2016 | $124,000 | -91.2% | 7,500 | -90.7% | 0.00% | -95.0% |
| Q1 2016 | $1,407,000 | +89.9% | 80,300 | +237.4% | 0.02% | +122.2% |
| Q4 2015 | $741,000 | -46.5% | 23,800 | -52.2% | 0.01% | -52.6% |
| Q3 2015 | $1,386,000 | -36.7% | 49,800 | -21.8% | 0.02% | -38.7% |
| Q2 2015 | $2,189,000 | +17.5% | 63,700 | +17.3% | 0.03% | +6.9% |
| Q1 2015 | $1,863,000 | +1520.0% | 54,300 | +1008.2% | 0.03% | +1350.0% |
| Q4 2014 | $115,000 | -69.1% | 4,900 | -85.5% | 0.00% | -66.7% |
| Q3 2014 | $372,000 | – | 33,900 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 819 | $255,000 | 0.02% |
| GROUP ONE TRADING, L.P. | 36,200 | $101,000 | 0.00% |