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Table of Contents ( 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 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 20549 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transaction period from to CAYMAN ISLANDS ( State or other jurisdiction of incorporation or organization ) Title of each class : Common Stock , $ 0.60 Par Value FORM 10 - K Regatta Office Park Windward Three , 4th Floor , West Bay Road P.O. Box 1114 Grand Cayman , KY1-1102 , Cayman Islands ( Address of principal executive offices ) Commission File Number : 0-25248 CONSOLIDATED WATER CO . LTD . ( Exact name of Registrant as specified in its charter ) Registrant's telephone number , including area code : ( 345 ) 945-4277 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol CWCO 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 = 98-0619652 ( I.R.S. Employer Identification No. ) Name of each exchange on which registered The NASDAQ Stock Market LLC ( NASDAQ Global Select Market ) 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 N / A ( Zip Code ) 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 ( Sec . 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 Non - accelerated filer Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . 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 definition 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 DOCUMENTS INCORPORATED BY REFERENCE : 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 . O Smaller reporting company Emerging growth company 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 . The aggregate market value of common stock held by non - affiliates of the registrant , based on the closing sales price for the registrant's common shares , as reported on the NASDAQ Global Select Market on June 30 , 2020 , was $ 207,036,890 . As of March 26 , 2021 , 15,169,687 shares of the registrant's common shares were outstanding . Portions of the registrant's Proxy Statement related to its 2021 Annual Shareholders ' Meeting will be subsequently filed with the Securities and Exchange Commission and are incorporated by reference into Part III of this Form 10 - K .