What does this seller know.
If you can make 50% return during the next 12 months, assuming project is approved, why in earth sell shares unless your other investments would appreciate more than 50% which is not likely.
Perhaps his conversations with management is that they expect lawsuits to be filed when the permit is issued in 2011 and this will stop the project cold for 2-3 years.
If RB sells another million shares in November or December, then we should all sell and get back in after the correction takes place from the various lawsuits being filed.