UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C.20549 FORM 10-Q | (Mark One) | | | --- | --- | | ☒ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | For the quarterly period ended September 30, 2025 | | | | 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: 001-36210 | | | LiqTech International, Inc. | | | (Exact name of regi ...