SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 UNITED STATES FORM 10-K (Mark One) x Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2018 OR o 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: 001-36440 Avanos Medical, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation) (I. ...