Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K | (Mark One) | | | | --- | --- | --- | | ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | | For the fiscal year ended December 31, 2021 | | | | or | | | | ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | | FOR THE TRANSITION PERIOD FROM ____________ TO _________ | | | | Commission file number: 001-35073 | | | | Gevo, Inc ...