Facebook sold shares to investors at $38 each in its IPO. One year later, its stock price was hovering around $26. What was the percentage drop in Facebook shares in its first year as a public company? Just after the IPO, Facebook's CEO, Mark Zuckerberg, owned 443 million shares. What was the total value of his Facebook stock immediately after the IPO and then again one year later? How much wealth did Zuckerberg personally lose over the year?