SEC Form 4 · Updated Daily
THRM
— GENTHERM INCORPORATED OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Wilson Jaymi | Officer | 42,726 | 2026-03-23 | F |
| Desormiere Sophie | Director | 42,303 | 2026-05-14 | A |
| Runyon Barbara J | Officer | 37,686 | 2026-03-23 | F |
| Barkas Rafael | Officer | 31,893 | 2026-03-23 | F |
| Sundaram Vishnu | Officer | 28,473 | 2026-03-17 | A |
| Stocker Thomas | Officer | 28,085 | 2026-03-23 | F |
| Kauffman Wayne S III | Officer | 27,421 | 2026-07-29 | S |
| Stacey John | Director | 27,112 | 2026-05-14 | A |
| Kummeth Charles R. | Director | 25,937 | 2026-05-14 | A |
| Hundzinski Ronald T | Director | 22,298 | 2026-05-14 | A |
| Heinzmann David W | Director | 21,365 | 2026-05-14 | A |
| Meter Elizabeth | Director | 19,664 | 2026-05-14 | A |
| Wang Chenglong | Officer | 17,231 | 2026-03-23 | A |
| Washington Kenneth E | Director | 15,257 | 2026-05-14 | A |
| Kowalchik Laura Michele | Director | 13,395 | 2026-05-14 | A |
| Nicholas Breisacher | Officer | 4,864 | 2026-08-17 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-17 | Nicholas Breisacher | Open-market sale | 925 | $43.21 | 4,864 |
| 2026-07-29 | Kauffman Wayne S III | Open-market sale | 4,700 | $43.21 | 27,421 |
| 2026-05-14 | Desormiere Sophie | Grant / award | 4,292 | $0.00 | 42,303 |
| 2026-05-14 | Heinzmann David W | Grant / award | 4,292 | $0.00 | 21,365 |
| 2026-05-14 | Hundzinski Ronald T | Grant / award | 4,292 | $0.00 | 22,298 |
| 2026-05-14 | Kowalchik Laura Michele | Grant / award | 4,292 | $0.00 | 13,395 |
| 2026-05-14 | Kummeth Charles R. | Grant / award | 4,292 | $0.00 | 25,937 |
| 2026-05-14 | Meter Elizabeth | Grant / award | 4,292 | $0.00 | 19,664 |
| 2026-05-14 | Stacey John | Grant / award | 4,292 | $0.00 | 27,112 |
| 2026-05-14 | Washington Kenneth E | Grant / award | 4,292 | $0.00 | 15,257 |
| 2026-03-23 | Wang Chenglong | Grant / award | 266 | $0.00 | 17,231 |
| 2026-03-23 | Stocker Thomas | Tax withholding | 1,115 | $28.64 | 28,085 |
| 2026-03-23 | Stocker Thomas | Grant / award | 2,474 | $0.00 | 29,200 |
| 2026-03-23 | Kauffman Wayne S III | Tax withholding | 925 | $28.64 | 32,121 |
| 2026-03-23 | Kauffman Wayne S III | Grant / award | 2,121 | $0.00 | 33,046 |
| 2026-03-23 | Wilson Jaymi | Tax withholding | 710 | $28.64 | 42,726 |
| 2026-03-23 | Wilson Jaymi | Grant / award | 2,474 | $0.00 | 43,436 |
| 2026-03-23 | Runyon Barbara J | Tax withholding | 961 | $28.64 | 37,686 |
| 2026-03-23 | Runyon Barbara J | Grant / award | 2,121 | $0.00 | 38,647 |
| 2026-03-23 | Barkas Rafael | Tax withholding | 607 | $28.64 | 31,893 |
| 2026-03-23 | Barkas Rafael | Grant / award | 2,121 | $0.00 | 32,500 |
| 2026-03-23 | Nicholas Breisacher | Tax withholding | 102 | $28.64 | 5,789 |
| 2026-03-23 | Nicholas Breisacher | Grant / award | 353 | $0.00 | 5,891 |
| 2026-03-17 | Stocker Thomas | Grant / award | 8,940 | $0.00 | 26,726 |
| 2026-03-17 | Wilson Jaymi | Grant / award | 8,940 | $0.00 | 40,962 |
| 2026-03-17 | Barkas Rafael | Grant / award | 7,665 | $0.00 | 30,379 |
| 2026-03-17 | Kauffman Wayne S III | Grant / award | 7,665 | $0.00 | 30,925 |
| 2026-03-17 | Runyon Barbara J | Grant / award | 7,665 | $0.00 | 36,526 |
| 2026-03-17 | Sundaram Vishnu | Grant / award | 7,665 | $0.00 | 28,473 |
| 2026-03-17 | Nicholas Breisacher | Grant / award | 1,599 | $0.00 | 5,538 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.