Tessie M. Che, COO at OPTIMER PHARMACEUTICALS INC (OPTR), bought 1,000 shares at $5.95 ($6K) on 2007-11-15, disclosed to the SEC on 2007-11-19.
Open-market purchase of $6k OPTR by COO. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| OPTR | BUY | 2008-06-17 | $35K | — | Filing → |
| OPTR | BUY | 2008-05-16 | $27K | — | Filing → |
| OPTR | BUY | 2007-08-10 | $246K | — | Filing → |