I'm not getting calls directly but I am getting calls from second market brokers pitching companies that never used to be available (or sold instantly) like Pin

I'm not getting calls directly but I am getting calls from second market brokers pitching companies that never used to be available (or sold instantly) like Pinterest and Uber. There is a large lot of Uber shares that one firm in particular has been trying to sell at the 50b valuation price for a few weeks now, seemingly without success. Just another anecdotal data point.