According to Wall Street Journal, it's August 19th: http://blogs.wsj.com/digits/2012/05/24/facebook-lock-up-expiration-not-seen-as-a-worry/ http://blogs.wsj.com

According to Wall Street Journal, it's August 19th: http://blogs.wsj.com/digits/2012/05/24/facebook-lock-up-expiration-not-seen-as-a-worry/ http://blogs.wsj.com/digits/2012/05/24/facebook-lock-up-expi...