1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 FORM 10-KxANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31,2018oroTRANSITION REPORT UNDER SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the tra
2、nsition period from to Commission file number:001-37515 Aqua Metals,Inc.(Exact name of registrant as specified in its charter)Delaware 47-1169572(State or Other Jurisdiction ofIncorporation or Organization)(I.R.S.Employer IdentificationNumber)2500 Peru Dr.McCarran,Nevada 89437(Address of principal e
3、xecutive offices)(775)525-1936(Registrants telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Name of Each Exchange on Which Registered:Common StockThe Nasdaq Capital Market Securities registered pursuant to Section 12(g)of the Act:NoneIndicate by check ma
4、rk if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes o No xIndicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d)of the Exchange Act.Yes o No x Indicate by check mark whether the registrant(1)has filed
5、 all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of 1934 during thepast 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 x No o Indicate by che
6、ck 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 x No o