UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K [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 [ ] Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from________ to___________ HIGHWOODS PROPERTIES, INC. (Exact name of registrant as specified in its charter) (Commission File Number) Maryland 001-13100 56-1871668 (I.R.S. Emplo ...