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( Mark One ) No UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K Annual report pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 Transition report pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the fiscal year ended December 31 , 2020 Delaware ( State of Incorporation ) Title of each class COMMON STOCK , $ 0.10 PAR VALUE Commission File No. 1-8726 RPC , INC . 2801 BUFORD HIGHWAY NE , SUITE 300 ATLANTA , GEORGIA 30329 ( 404 ) 321-2140 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) ( I.R.S. Employer Identification No. ) RES 58-1550825 Accelerated filer 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 Name of each exchange on which registered NEW YORK STOCK EXCHANGE 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 Indicate by check mark whether the registrant has submitted electronically every interactive data file required to be submitted pursuant to Rule 405 of Regulations 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 or a smaller reporting company . See definitions of " large accelerated filer , " " accelerated filer " and " smaller reporting company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer Non - accelerated filer Smaller reporting company 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 new 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 Exchange Act ) . Yes No The aggregate market value of RPC , Inc. Common Stock held by non - affiliates on June 30 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter , was $ 176,775,762 based on the closing price on the New York Stock Exchange on June 30 , 2020 of $ 3.08 per share . RPC , Inc. had 215,823,799 shares of Common Stock outstanding as of February 19 , 2021 . Documents Incorporated by Reference Portions of the Proxy Statement for the 2021 Annual Meeting of Stockholders of RPC , Inc. are incorporated by reference into Part III , Items 10 through 14 of this report .