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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( 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 , 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from FORM 10 - K to Delaware ( State or other jurisdiction of incorporation or organization ) Large accelerated filer Non - accelerated filer OR Commission File Number : 001-38302 BIG ROCK PARTNERS ACQUISITION CORP . ( Exact name of registrant as specified in its charter ) □ 区 2645 N. Federal Highway , Suite 230 Delray Beach , Florida 33483 ( Address of principal executive offices ) ( Zip Code ) Registrant's telephone number , including area code : ( 310 ) 734-2300 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) Title of each class Units , each consisting of one share of Common Stock , one Right and one - half of one Warrant Common Stock , par value $ 0.001 per share Rights , exchangeable into one - tenth of one share of Common Stock Warrants , each whole warrant exercisable for one share of Common Stock at an exercise price of $ 11.50 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 × 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 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 82-2844431 ( I.R.S. Employer Identification No. ) BRPAU BRPA BRPAR BRPAW Name of each exchange on which registered The NASDAQ Stock Market LLC The NASDAQ Stock Market LLC The NASDAQ Stock Market LLC The NASDAQ Stock Market LLC 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 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 . No X Accelerated filer Smaller reporting company Emerging growth company ☐ X X