rivian r1t allelectric truck in times square on listing day on wednesday nov 10 2021 in new york shares of rivian automotive fell 5 in afterhours trading monday after the company said it missed its 2021 vehicle production target and confirmed the departure of its chief operating officer the electric vehicle startup said it built 1015 vehicles in its first few months of production – falling 185 vehicles short of an initial manufacturing target of those vehicles 920 were delivered to owners rivian said in a release the final tallies which were announced after the markets closed did little to help the companys stock which lost 56 earlier in the day before closing at 8144 a share monday the wall street journal also reported that rivian chief operating officer rod copes left the automaker last month as the company was ramping up production a rivian spokeswoman confirmed copes departure to cnbc characterizing it as a retirement that was planned for months she said his duties have been absorbed by the rivian leadership team