Just a further reminder for people looking at FB (disclosure - mild short position):

Stock unlock schedule: August 16th, 2012: 268 million shares, 10% of shares outstanding. October 14th, 2012: 249 million shares, 9% of shares outstanding. November 13th, 2012: 1.332 billion shares, 49% of shares outstanding. December 13th, 2012: 124 million shares, 5% of shares outstanding. May 17th, 2013: 47 million shares, 2% of shares outstanding.