UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission File Number 0-16211 DENTSPLY SIRONA Inc. (Exact name of registrant as specified in its charter) Delaware 39-1434669 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 221 West Philadelphia Street, York, PA 17401-2991 (Address of principal ex ...