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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( 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 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ΤΟ Commission File Number 001-39403 East Resources Acquisition Company ( Exact name of Registrant as specified in its Charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 7777 NW Beacon Square Boulevard Boca Raton , Florida ( Address of principal executive offices ) Securities registered pursuant to Section 12 ( b ) of the Act : Registrant's telephone number , including area code : ( 561 ) 826-3620 Title of each class Units , each consisting of one share of Class A common stock and one - half of one warrant Large accelerated filer Non - accelerated filer Trading Symbol ( s ) ERESU ERES 85-1210472 ( I.R.S. Employer Identification No. ) ■ Class A common stock , par value $ 0.0001 per share Warrants , each whole warrant exercisable for one share of Class A common stock at an exercise price of $ 11.50 per share 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 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 ERESW 33487 ( Zip Code ) Name of each exchange on which registered 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 , 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 . Accelerated filer Smaller reporting company L Emerging growth 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 is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . YES NO The registrant was not a public company as of June 30 , 2020 and therefore it cannot calculate the aggregate market value of its voting and non - voting common equity held by non - affiliates as of such date . As of March 25 , 2021 , there were 34,500,000 shares of the Company's Class A common stock , par value $ 0.0001 per share , and 8,625,000 shares of the Company's Class B Common Stock , par value $ 0.0001 per share , issued and outstanding .