I have no expertise with biotechnology but did write the following about using insider activity with biotechnology stocks.
It seems logical Insider activity within certain industries such as biotechnology may provide more directional information. The thesis is management understands the science and future possibilities of new drug breakthroughs or ability to pass future FDA hurdles
DYAX was provided on my value insider list on Sunday.
Insider Activity for DYAX
The idea may be worth a closer look.