WhatsApp CEO’s Early Facebook Exit Could Cost Him $1 Billion

  • Corrects forfeiture and share amounts in story published May 1
  • Restricted shares were set to vest in May, August and November

WhatsApp's Founder Leaving Facebook

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Jan Koum’s exit from Facebook Inc. could cost him as much as $1.2 billion.

The chief executive officer of messaging unit WhatsApp confirmed in a Facebook post Monday that he’s leaving the company. The announcement precedes the final three vesting dates of restricted stock awards tied to Facebook’s $22 billion purchase of WhatsApp in 2014.