And it’s not necessarily unusual for shareholders to cash in stock before a company has gone public. “Sometimes, we advise our execs or companies we’re looking to invest in to ‘take some chips off the table’ so that they can continue to make bold, risky bets for their startup and not be worried about 100% of their net worth being tied up in the future of the company,” a staffer at an investment firm writes on Quora, addressing this very question.

Groupon’s Andrew Mason Has Already Cashed In Nearly $28 Million In Stock | Fast Company

Really? Is that what’s going on?