When a company is drilling and news is around the corner, blackout periods are put into place to prevent improper trading from insiders. If you have a need for cash and are an insider, you cannot always pick when you want to sell due to these blackout periods so you sell when you can. I believe this is what happen in this case as the news since then has only been good to great.

There are always many reasons to sell, only one reason to buy!!

Cheers,

Glorieux