0001463258 2022-04-15 2022-04-15 false 0001463258 8-K 2022-04-15 Renewable Energy Group, Inc. DE 001-35397 26-4785427 416 South Bell Avenue Ames IA 50010 (515) 239-8000 false false false false Common Stock, par value $.0001 per share REGI NASDAQ false