UNITED STATES SECURITIES AND EXCHANGE COMMISSION Commission File Number: 0-21810 GENTHERM INCORPORATED 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 . | Title of each class | Trading Symbol | Name of each exchange on which registered | | --- | -- ...