First American Scientific Corp. (fka FASC)

[TRCPA]

TD.......they can also exercise options (buy the shares) which carry a one year restriction....or those unrestricted that they exercise with the thought that the price would go up later.....and have the price actually go down when they sell at a later date.....thereby taking a capital loss.

Or if unrestricted, they could exercise AND sell the shares at the same time to lock in profits, as you indicate.