0001426332 2021-08-05 2021-08-05 false 0001426332 8-K 2021-08-05 NGM Biopharmaceuticals, Inc. DE 001-38853 26-1679911 333 Oyster Point Boulevard South San Francisco CA 94080 650 243-5555 false false false false Common Stock, par value $0.001 per share NGM NASDAQ true false