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X DELAWARE ( State or Other Jurisdiction of Incorporation or Organization ) 295 Madison Avenue , Suite 2400 NEW YORK , NY ( Address of Principal Executive Offices ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended : December 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Title of each class Common Stock , $ 0.0001 Par Value UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , DC 20549 FORM 10 - K to Large accelerated filer " Non - accelerated filer x Emerging growth company x COMMISSION FILE NUMBER : 001-38365 EYENOVIA , INC . ( Exact name of Registrant as Specified in Its Charter ) Registrant's telephone number , including area code : ( 917 ) 289-1117 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) EYEN 47-1178401 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( g ) of the Act : none Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes " No x Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No x Indicate by check mark whether the registrant : ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes x No 10017 ( Zip Code ) Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes x No " Accelerated filer " Smaller reporting company x Name of each exchange on which registered The Nasdaq Stock Market LLC Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . DOCUMENTS INCORPORATED BY REFERENCE If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any news or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . " Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . " Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes " No x The aggregate market value of the voting and non - voting common equity held by non - affiliates computed by reference to the price at which the common equity was last sold as of June 30 , 2020 ( based on the closing price of $ 2.84 on June 30 , 2020 , the last trading day of the registrant's most recently completed second fiscal quarter ) , was approximately $ 32,427,910 . Common stock held by each officer and director and by each person known to the registrant who owned 10 % or more of the outstanding common stock have been excluded in that such persons may be deemed to be affiliates . This determination of affiliate status is not necessarily a conclusive determination for other purposes . The number of outstanding shares of the registrant's common stock was 25,623,577 as of March 29 , 2021 . Portions of the registrant's proxy statement for its 2021 Annual Meeting of Stockholders currently scheduled to be held on June 16 , 2021 are incorporated by reference into Part III hereof .