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Table of Contents Index to Financial Statements 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 001-39791 THAYER VENTURES ACQUISITION CORPORATION ( Exact name of Registrant as specified in its Charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 25852 McBean Parkway Valencia , CA ( Address of principal executive offices ) Registrant's telephone number , including area code : ( 415 ) 782-1414 Title of Each Class Units , each consisting of one Class A common stock , $ 0.0001 par value , and one - half of one redeemable warrant to acquire one share of Class A Common Stock Class A common stock , par value $ 0.0001 per share Redeemable Warrants , each whole warrant exercisable for one share of Class A common stock , each at an exercise price of $ 11.50 per share None . Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) TVACU TVAC TVACW 85-2426959 ( I.R.S. Employer Identification No. ) 91335 ( Zip Code ) NO > Name of Each Exchange on Which Registered The Nasdaq Stock Market LLC 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 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 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 The Nasdaq Stock Market LLC The Nasdaq Stock Market LLC 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 Accelerated filer Non - accelerated filer Smaller reporting company 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 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 As of the last business day of the registrant's most recently completed second fiscal quarter the registrant did not have any publicly traded securities . As of March 15 , 2021 , there were 17,250,000 shares of Class A Common Stock and 4,312,500 shares of Class B Common Stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE ☐