REPX(REPX) - 2019 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT ON 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, 2019 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 No. 1-15555 TENGASCO, INC. (name of registrant as specified in its charter) | Delaware | 87-0267438 | | --- | - ...