Mark Zuckerberg gives $500M in Facebook stock to charity December 18, 2012 6:38 PM Christina Farr Christina Farr Twitter Profile Recent Stories: Peter Thiel’s venture firm to invest in space (exclusive) How St. Louis became a tech town Want to make money & change the world? An idiot’s guide to ‘social entrepreneurship’ Facebook CEO Mark Zuckerberg has made his largest charitable donation to date.