http://www.theinquirer.net/default.aspx?article=32849

If you are in most of the US, then it is on the 13th, but east coasters can take their pick. The NDA expiry was pulled in to 9PM PST on July 13. Quite the odd time if I say so myself. The reason given is "due to popular demand", but if I was a base cynic, I would say it has something to do with the July 19th earnings call.