Updated Jul 16, 2026 · Last SEC filing 2026-05-15
Gentherm Inc (THRM) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-15. 4 Form 8-K material event filings were reported by THRM in the last 90 days. InsiderAlpha tracks every THRM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000903129 |
|---|
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Latest Form 4 filing | 2026-05-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Kowalchik Laura Michele | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Stacey John | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Washington Kenneth E | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Kummeth Charles R. | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Hundzinski Ronald T | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Meter Elizabeth | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| HEINZMANN DAVID W | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Desormiere Sophie | Insider | A — Grant or award | 4.3K | $0.00 | — | SEC | |
| Runyon Barbara J | SVP, CHRO | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Kauffman Wayne S III | SVP and General Counsel | F — Tax withholding / forfeiture | 925 | $28.64 | $26K | SEC | |
| Barkas Rafael | SVP Global Ops & Supply Chain | F — Tax withholding / forfeiture | 607 | $28.64 | $17K | SEC | |
| Barkas Rafael | SVP Global Ops & Supply Chain | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Kauffman Wayne S III | SVP and General Counsel | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Runyon Barbara J | SVP, CHRO | F — Tax withholding / forfeiture | 961 | $28.64 | $28K | SEC | |
| Wang Chenglong | VP & General Manager | A — Grant or award | 266 | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Gentherm Inc (THRM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Kowalchik Laura Michele | 1 | — |
| HEINZMANN DAVID W | 1 | — |
| Washington Kenneth E | 1 | — |
| Stacey John | 1 | — |
| Kummeth Charles R. | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in THRM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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