Klarna CEO Sebastian Siemiatkowski worked at Burger King and lived on welfare before starting his $16 billion fintech firm.

Klarna priced its long awaited initial public offering at $40 a share late Tuesday, valuing the Swedish buy now, pay later company at more than $15 billion.

Klarna priced its IPO at $40 a share, an offering that values the company at about $15 billion.