 HONG KONG, April 23, 2021 GLOBE NEWSWIRE -- UCLOUDLINK GROUP INC. uCloudlink or the Company NASDAQ: UCL, the worlds first and leading mobile data traffic sharing marketplace, today announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2020 with the Securities and Exchange Commission the SEC on April 23, 2021. 