Thomas L. Kempner, Director at DYAX CORP (DYAX), bought 20,000 shares at $1.40 ($28K) on 2011-08-05, disclosed to the SEC on 2011-08-09.
Open-market purchase of $28k DYAX by Director. 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 → |
| DYAX | SELL | 2015-08-31 | $428K | — | Filing → |
| DYAX | SELL | 2015-08-19 | $430K | — | Filing → |
| DYAX | SELL | 2015-08-14 | $115K | — | Filing → |