0001826600 2021-12-21 2021-12-21 NASDAQ false 0001826600 8-K 2021-12-21 Montauk Renewables, Inc. DE 1-39919 85-3189583 680 Andersen Drive 5th Floor Pittsburgh PA 15220 (412) 747-8700 false false false false Common Stock, par value $0.01 per share MNTK true false