TANG Capital Management LLC, 10% Owner at PENWEST PHARMACEUTICALS CO (PPCO), bought 1,300 shares at $1.51 ($2K) on 2009-02-24, disclosed to the SEC on 2009-02-26.
Open-market purchase of $2k PPCO 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 → |
| RAIN | BUY | 2023-06-01 | $2.1M | — | Filing → |
| JNCE | BUY | 2023-03-14 | $151K | — | Filing → |
| ODT | SELL | 2021-11-19 | $9.5M | — | Filing → |