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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , DC 20549 FORM 10 - K 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 Commission file number 000-01227 CHICAGO RIVET & MACHINE CO . ( Exact name of registrant as specified in its charter ) ILLINOIS ( State or other jurisdiction of incorporation or organization ) 901 Frontenac Road , Naperville , Illinois ( Address of principal executive offices ) Title of each class 36-0904920 ( I.R.S. Employer Identification No. ) Registrant's telephone number , including area code : ( 630 ) 357-8500 Securities registered pursuant to Section 12 ( b ) of the Act : Common Stock , par value $ 1.00 per share Trading Symbol ( s ) CVR 60563 ( Zip Code ) Name of each exchange on which registered NYSE American ( Trading privileges only , not registered ) 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 □ 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 .: Large accelerated filer Non - accelerated filer ☐ ✓ 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 Act ) . Yes □ No ☑ The aggregate market value of common stock held by non - affiliates of the Company as of June 30 , 2020 was $ 16,269,718 . As of March 15 , 2021 , there were 966,132 shares of the Company's common stock outstanding . Documents Incorporated By Reference ☐ ☐ ☑ ( 1 ) Portions of the Company's Annual Report to Shareholders for the year ended December 31 , 2020 ( the " 2020 Report " ) are incorporated by reference in Parts I and II of this report . ( 2 ) Portions of the Company's definitive Proxy Statement which is to be filed with the Securities and Exchange Commission in connection with the Company's 2021 Annual Meeting of Shareholders are incorporated by reference in Part III of this report .