Wall Street Journal:
Analysis: of 460 companies that did SPAC deals, insiders at 232 sold $22B in shares in well-timed trades; Chamath Palihapitiya made $310M selling Virgin stock — Executives and early investors sold shares worth $22 billion — The SPAC boom cost investors billions.
Source : http://www.techmeme.com/230530/p10#a230530p10