Here it comes:
https://blockchain.info/address/1CbR8da9YPZqXJJKm9ze1GYf67eKAUfXwPThey sent a few small transfers, most likely testing the procedure before moving all bitcoins.
The question is, whether the address they moved it to is an exchange or some sort of preparation for an auction or private sale.
Either way, I see a quick drop in prices soon. Then we can get back to climbing without this hanging over everyone's mind.
Edit: my bad, wrong address