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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 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 FORM 10 - K TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Yes No Delaware ( State of incorporation ) Commission file number 001-36351 PLX PHARMA INC . ( Exact name of registrant as specified in its charter ) 9 Fishers Lane , Suite E Sparta , NJ ( Address of principal executive offices ) Registrant's telephone number , including area code : ( 973 ) 409-6541 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol PLXP Title of Each Class Common Stock , $ 0.001 par value Securities registered pursuant to Section 12 ( g ) of the Act : Not applicable Indicate by check mark if the Registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . 46-4995704 ( I.R.S. employer identification no . ) 07871 ( Zip code ) Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Exchange Act . Yes No 区 Accelerated filer Name of Each Exchange on Which Registered The NASDAQ Capital Market 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 No Emerging growth company 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 ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes > No 1 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 . Large accelerated filer Smaller reporting company Non - accelerated filer >