It's most likely Brigade or Morgan buying shares to ensure they control the vote. We will know for sure soon enough.
Goldman WAS elected as a PF trustee on Tuesday. There is no way they have spent this much effort AND money on legal battles, share purchases and a proxy fight to now sit and watch. A battle is brewing.
Of course one can just hope and pray things play out well for their investment. Problem is that seldom works in the market. Vigilant detail to actual developments and appropriate action works far better.