If I wanted to make a load of BTC, I would do exactly what he has done.... except I would then have a 3rd party buy up all those shares at .0001.
I would hand over control of labcoin to someone more respectable and have them immediately pay out a massive dividend. I would publicly admit that I was holed up and on a bender and say that I am truly sorry. The new owner of labcoin would then keep paying out dividends like they were supposed to and my guess is that after a few weeks, the price of the stock would go up. At that time, have the 3rd party sell the shares and pocket the profit of a share that went up 10000%.
At least, that's how I would play the long con.
That's pretty reasonable, though there will be a few malcontents demanding pix & verifiable hashrate.
The problem is, you also need a stable exchange. Big enough to have volume & lax enough with auditing/IDs/annoying stuff like that.
Sadly, that's quickly becoming scarce.