Quaker BioVentures II LP, 10% Owner at CEMPRA, INC. (CEMP), bought 265,000 shares at $7.00 ($1.9M) on 2013-06-19, disclosed to the SEC on 2013-08-01.
Open-market purchase of $1.9M CEMP by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
| Filing → |
| ACHN | SELL | 2011-03-03 | $1.3M | — | Filing → |
| ACHN | SELL | 2011-02-17 | $796K | — | Filing → |