0001001233 2020-05-11 2020-05-11 0001001233 2020-02-28 2020-02-28 0001001233 false 8-K 2020-05-11 SANGAMO THERAPEUTICS, INC. DE 000-30171 68-0359556 7000 Marina Blvd. Brisbane CA 94005 510 970-6000 false false false false Common Stock, $0.01 par value per share SGMO NASDAQ false