Nonprofit Directors and Officers Liability

1. What does Wesport's Nonprofit Directors & Officers Liability coverage provide coverage for?
2. Do I have to have my Lawyers Professional Liability Insurance through Westport in order to qualify for the Westport Nonprofit Directors and Officers Liability Coverage Unit?
3. Will I get full prior acts coverage under the Westport Nonprofit Directors and Officers Coverage Unit if I have full prior acts coverage under my Westport Lawyers Professional Liability Coverage?
4. Are stacked limits available under all of the Westport CPC coverage units?