Company: THRM
Filing Date: 2025-02-24
Form Type: S-8
Source: 0001193125-25-032994
Chunk: 0

Company: Gentherm Inc
Filing Date: 2025-02-24
Form: S-8
Chunk 0
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As filed with the Securities and Exchange Commission on February 24, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Gentherm Incorporated (Exact name of registrant as specified in its charter)

| Michigan                                 |     |            95-4318554 |
| (State or other jurisdiction of          
 incorporation or organization)           |     |      -I.R.S. Employer 
 Identification Number |
| 28875 Cabot Drive                        
 Novi, MI                                 |     |                 48377 |
| (Address of principal executive offices) |     |             -Zip code |

Non-PlanInducement Awards (Full title of the plan) William Presley President and Chief Executive Officer Gentherm Incorporated 28875 Cabot Drive Novi, MI 48377 (248) 504-0500 (Name and address and telephone number, including area code, of agent for service) Copies to:

| Wayne Kauffman, Esq.                                 
 Senior Vice President, General Counsel and Secretary 
 Gentherm Incorporated                                
 28875 Cabot Drive Novi,                              
 MI 48377 (248) 504-0500                              |     | Michael S. Ben, Esq.                
 Honigman LLP 2290 First             
 National Building 660 Woodward Ave. 
 Detroit, Michigan 48226-3506        
 (313) 465-7000                      |

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | 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 7(a)(2)(B