From AMRN's response PR:
Consistent with our ongoing Board refreshment process and our good-faith
engagement with Sarissa, the Board has a defined and tailored list of
skillsets that we believe are necessary to help guide the Company
forward, and we rigorously evaluate any potential candidates’ commitment
and contributions they might bring to the Board and the Company. With
this in mind, we have interviewed several highly qualified candidates
and the Board is in final stages to appoint new independent directors.
Throughout the Board’s consideration of these candidates, including
Sarissa’s proposed nominees, we have kept Sarissa apprised of the
Board’s refreshment process. This process remains ongoing.
So current board members WEREN'T "rigorously evaluated"? By their lousy results, answer is "nope!".