It looks like Josh Zerlan moved 537.57286499 BTC yesterday to Bitstamp from the bitcoin wallet address mentioned in Bruno's mega post.

http://www.walletexplorer.com/wallet/0096cdb8ad645f3b
http://www.walletexplorer.com/txid/31cb2fe0ad9027a4d31a7c476daa5f33645f07f2216a989de0b4bde1356d8de6
http://www.walletexplorer.com/txid/4471e05226f5860e3464c615d60f0ce48f5ee40c794fe260068c45da19846760