UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 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.:001-34079 Rexahn Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 11-3516358 (State or other j ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) For the transition period from to_______ Commission File No.:001-34079 Rexahn Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 11-3516358 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 15245 Shady Grove Road, Suite 455 Rockville, MD 20850 (Address of principal executive offices) (Zip Code) ☑ QUARTERLY REPORT PURSUANT TO SECTION ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 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.:001-34079 Rexahn Pharmaceuticals, Inc. Indicate by check mark whether the registrant is a large accelerated filer, an accelerate ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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, 2018 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.: 001-34079 Rexahn Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 11-3516358 (State or other jur ...