rivian automotive inc rivn said monday that jim chen vice president of public policy is planning to leave the ev maker the latest executive departure at the company a rivian spokesperson told marketwatch it was a “mutual agreement between jim and rivian” and that chen wanted to spend more time with family and that he would stay on for a number of weeks to ensure a smooth transition rivian stock rallied more than 11 on monday the stock has lost 72 in the last 12 months compared with losses of around 9 for the sp 500 index spx  and as rivian missed production targets earlier in the year the shares are on track for their highest close since dec 20 when they closed at 1843 and on pace for their largest oneday percentage increase since nov 30