Statistical analysis of trial data is indeed complex. It is not "like a mining expedition" for biotechs, but the opposite. It is a scientific endeavor adhering to a statistical assessment plan using pre-defined endpoint measures.
Ironically, this is what the complaint is alleging we did not do. That is, it alleges the company deviated from plan, to the detriment of the investing public. The question is whether Missling was careful, just sloppy, or data mining and thereby misled public investors. The latter is alleged, and would be illegal. It's now a legal matter.