I had the same thought overnight - perhaps the insiders see a good thing coming and loaded themselves up. That said, they usually do it well ahead of time, so it doesn't mean tomorrow.
Sprott has a big whack of shares (still??? anyone know for sure), so they could vote their feelings at an AGM about how many options.
The insiders deserve some credit, fair enough. I just hope these rich option grants aren't on a regular basis.