Exactly as Mobius says.

In addition if I did post the details there would be only one outcome. People would argue as to whether the option premium is too low or too high. People would claim I was an idiot for selling too cheap or that the buyer paid too much or they would still claim that I was making it up. In hindsight it was a mistake to inform the forum that any deal had taken place. There are probably lots of OTC derivative transactions on Bitcoin that nobody is aware of for exactly these reasons.