The purpose of a prearranged stock plan is that it's autonomous and outside the control of insiders with privileged, confidential information. Making any decision with regards to the plan once it has been adopted, either to trade or not to trade, voids that autonomy.
Yes: https://www.sec.gov/rules/final/33-7881.htm.
The purpose of a prearranged stock plan is that it's autonomous and outside the control of insiders with privileged, confidential information. Making any decision with regards to the plan once it has been adopted, either to trade or not to trade, voids that autonomy.