Or - he sees something coming and wants to be able to sell into that.
Either way, I don't read much into it. If I owned a significant block of restricted stock that was eligible to go off restriction I would file immediately - regardless of the price or company situation. It is ALWAYS better to have (potential) liquidity, other things equal.
Filing to remove the restriction only means that you CAN sell, not that you have to or plan to.
My opinion of the CFO would go down if he DID NOT file when eligible to do so.