As filed with the Securities and Exchange Commission on April 7, 2023 No. 333-267152 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 6 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Ramaco Resources, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation 1220 (Primary Standard Industrial Classification Code Number) 38-4018838 (I.R.S. Employer Identification No.) 250 West Main Street, Suite ...

As filed with the Securities and Exchange Commission on February 3, 2023 No. 333-267152 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 3 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Ramaco Resources, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 1220 (Primary Standard Industrial Classification Code Number) 38-4018838 (I.R.S. Employer Identification No.) 250 West ...