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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 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 June 30 , 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File Number 1-14523 TRIO - TECH INTERNATIONAL ( Exact name of Registrant as specified in its Charter ) California ( State or other jurisdiction of incorporation or organization ) 95-2086631 ( I.R.S. Employer Identification Number ) Block 1008 Toa Payoh North Unit 03-09 Singapore ( Address of Principal Executive Office ) Title of each class Common Stock , no par value Registrant's Telephone Number : ( 65 ) 6265 3300 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol TRT Securities registered pursuant to Section 12 ( g ) of the Act : None 318996 ( Zip Code ) Name of each exchange on which registered NYSE American 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 every Interactive Data File required to be submitted and posted 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 and post 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 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 ☐ Non - Accelerated Filer ( Do not check if a smaller reporting company ) □ 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 is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . □ Yes No The aggregate market value of voting stock held by non - affiliates of Registrant , based upon the closing price of $ 3.96 for shares of the registrant's Common Stock on December 31 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter as reported by the NYSE American , was approximately $ 6,644,000 . In calculating such aggregate market value , shares of Common Stock held