Second this. There is nothing more professional than asking earnestly about changes, especially in more senior roles. If you still see a role for yourself in th

Second this. There is nothing more professional than asking earnestly about changes, especially in more senior roles. If you still see a role for yourself in the company, create a sketch of the new situation and bring it to the table. If not, prepare for yourself what time you need to transition and offer them that as a way out. If they are hesitant to bring the changes to your table, help them with your openness to the situation. If you have to leave, leave with the best possible memory.