UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 1501 Ligonier Street, Suite 370 Latrobe, PA 15650 (Address of principal executive offices) (Zip Code) Title of Each Class Trading Symbol(s) Name of Each Exchange on Which Registered Common Stock, par value $0.0001 per share AMCI The NASDAQ Stock Market LLC Warrants to purchase one share of Common Stock AMCIW The NASDAQ Stock Market LLC Units, each consisting of one share of Common Stock and one Warrant AMCIU The NASDAQ Stock Market LLC ...