That number 1 wallet if left staking can produce around 30 new CBX per day. If CBX wallet has been moved out of Cryptsy then I guess other altcoins are also under the same scenario. And if they're planning to dump the altcoins in exchange of BTC, it won't be far off as they could be preparing for the bitcoin halving as well.
its been nearly 24 hours, more likely its the court appointed receiver taking ownership of the remaining and untouched altcoin wallets.
It easy enough to watch the address to see if its staking or not, looks like it stake a few times possibly when the person handling wallet updating they got a couple of stakes unintentionally on the cryptsy wallet and had to wait for that to mature to finish sweeping the wallet
also i think its highly unlikely they would be moved to a non US based exchange.
Yobit (russian?) is outside the US, so is Cryptopia (new zealand), so unlikely receivers would move coins there to sell.
Any CBX moved to Cryptomic would be quickly noticed as it would be shown after deposit beside CBX balances in liquidity page they have
https://www.cryptomic.com/liquidity.
There is not enough buyers there currently to absorb that amount of coins currently so also unlikely to be moved there. The most likely exchange assuming they are co operating with the courts is bittrex.
If Bittrex does adds CBX then we might have some cause to be concerned about dumping, otherwise nothing has really changed here. imho seeing as no attempt yet has been made to mix or or hide the coins, the person has actually combined from other older cryptsy addresses, seems more likely this is action of the receivers.
If they were going sell such a large amount, more likely this would done privately or similar to how US marshals handled the sale of Silk Road bitcoins and the proceeds used to pay the claimants in the class action.