Stellantis CEO Carlos Tavares is stepping down after nearly four years in the top spot of the carmaker that owns brands like Jeep and Ram and Citroën and Peugeot

The chief executive officer of car-maker giant Stellantis has abruptly resigned, the company said Sunday, as it has suffered a precipitous drop in share value this year.

Stellantis, the maker of Jeep, Fiat and Puegeot, announced on Sunday that CEO Carlos Tavares has resigned.