The initial public offering (IPO) of online platform Reddit could be worth around $750 million, with 22 million shares set to be offered, the San Francisco-based company said on Monday. Reddit set the issue price range at $31 to $34. Around 8% of the shares going public will be reserved for particularly active users. There are no holding periods for them, as is often the case for other investors, meaning that they can sell their shares from day one. Reddit initially filed for the IPO confidentially with the US Securities and Exchange Commission (SEC) around two years ago – but only pushed ahea…