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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 FORM 10 - K ( Mark One ) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Delaware ( State or other jurisdiction of incorporation or organization ) or Commission file number : 333-155375 P PIONEER POWER SOLUTIONS , INC . ( Exact name of registrant as specified in its charter ) Title of each class Common Stock PIONEER POWER SOLUTIONS Title of each class Common Stock , par value $ .001 per share Securities registered pursuant to Section 12 ( b ) of the Act : 400 Kelby Street , 12th Floor Fort Lee , New Jersey 07024 ( Address of principal executive offices , including zip code ) Registrant's telephone number , including area code : ( 212 ) 867-0700 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading symbol ( s ) PPSI 27-1347616 Name of each exchange on which registered Nasdaq Stock Market LLC ( Nasdaq Capital Market ) Name of each exchange on which registered Nasdaq Capital Market 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 No 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