0001070081 2021-01-11 2021-01-11 0001070081 false 8-K 2021-01-11 PTC THERAPEUTICS, INC. DE 001-35969 04-3416587 100 Corporate Court South Plainfield NJ 07080 908 222-7000 false false false false Common Stock, $0.001 par value per share PTCT NASDAQ false