Can a CEO short his own company?
It seems also on some international markets this is allowed. http://www.businessinsider.com/li-hejun-shorting-hanergy-2015-5
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Can a CEO short his own company?

### Response:
It seems also on some international markets this is allowed. http://www.businessinsider.com/li-hejun-shorting-hanergy-2015-5