In the FDAs after you have completed your commitment period plus 12 months, you can always bid back without a vacancy bid. Most of those senior guys have already met their obligations and can bid anything they hold at anytime. They just need to give the company a 6 month heads up. So, I doubt that many would bid to relieve excess. If that is the case they would have already given the company their notification of wanting to exit in lieu of a vacancy bid.