Mark Zuckerberg is increasing his stock sales to fund the Chan Zuckerberg Initiative

The Facebook CEO could sell as much as $13 billion worth over the next 13 months. Facebook CEO Mark Zuckerberg has started to accelerate his funding of the Chan Zuckerberg Initiative, the philanthropic investment vehicle he set up with his wife, Priscilla Chan, in late 2015. Zuckerberg has sold $108.6 million worth of Facebook stock this week, according to documents filed with the Securities and Exchange Commission on Wednesday.* Zuckerberg has been selling stock regularly through a prearranged ...