Orion Engineered Carbons(OEC) - 2018 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 o Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 or FORM 20-F o Registration statement pursuant to Section 12(b) or 12(g) of the Securities Exchange Act of 1934 o Shell company report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 or Commission file number: 001- 36563 ORION ENGINEERED CARBONS S.A. x Annual report pursuant to Section 13 or 15(d) of the Securities Exchange ...