Gentherm Incorporated (THRM) has 20 known insider and institutional holders on record. The largest holder is Presley William T. with 178,314 shares. Other notable holders include Eyler Phillip and MARX OSCAR B III.
Over the last 12 months, insiders have made 53 transactions in THRM stock — 23 buys (valued at $260.77K) and 1 sells (valued at $116.58K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
THRM Insider Ownership
Top Holder
Presley William T.
178,314 shares
Buys (12 mo)
23
$260.77K value
Sells (12 mo)
1
$116.58K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Presley William T. |
President & CEO |
178,314 |
2026-03-18 |
|
| 2 |
Eyler Phillip |
Other: Former President & CEO |
139,663 |
2025-02-25 |
|
| 3 |
Marx Oscar B Iii |
Director |
127,068 |
2016-05-26 |
|
| 4 |
Douyard Jonathan C |
EVP, CFO, Treasurer |
69,639 |
2026-03-18 |
|
| 5 |
Steele Barry G |
CFO/vp Finance/treasurer |
58,848 |
2018-12-21 |
|
| 6 |
Coker Daniel R |
President & CEO |
53,872 |
2017-12-04 |
|
| 7 |
Wilson Jaymi |
SVP, Chief Strategy Officer |
42,726 |
2026-03-25 |
|
| 8 |
Schumacher Darren |
Pres. Gentherm Technologies |
40,468 |
2018-02-26 |
|
| 9 |
Liedl Thomas |
Buisness Unit President |
40,000 |
2014-02-21 |
|
| 10 |
Desormiere Sophie |
Director |
38,011 |
2025-05-09 |
|
| 11 |
Runyon Barbara J |
SVP, Chro |
37,686 |
2026-03-25 |
|
| 12 |
Oldorff Frithjof |
President Auto Bu |
35,017 |
2019-06-12 |
|
| 13 |
Davis Stephen C |
Chief Technology Officer |
33,416 |
2013-11-22 |
|
| 14 |
Kauffman Wayne S Iii |
SVP and General Counsel |
32,121 |
2026-03-25 |
|
| 15 |
Barkas Rafael |
SVP Global Ops & Supply Chain |
31,893 |
2026-03-25 |
|
| 16 |
Bomzer David J |
VP of Human Resources |
30,000 |
2014-09-05 |
|
| 17 |
Steinl Greg |
VP Electronics Business Unit |
29,455 |
2015-07-06 |
|
| 18 |
Sundaram Vishnu |
SVP, Chief Technology Officer |
28,473 |
2026-03-18 |
|
| 19 |
Stocker Thomas |
President, Gentherm Tech. |
28,085 |
2026-03-25 |
|
| 20 |
Ascher Erin Erwine |
VP Talent Devlopment Chro |
27,831 |
2018-02-26 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-24 |
Sundaram Vishnu |
Officer |
Unknown |
- |
- |
- |
| 2026-03-23 |
Wang Chenglong |
VP & General Manager |
RSU Award |
266 |
- |
- |
| 2026-03-23 |
Nicholas Breisacher |
Chief Accounting Officer |
Tax Withholding of RSU |
102 |
$28.64 |
$2.92K |
| 2026-03-23 |
Wilson Jaymi |
SVP, Chief Strategy Officer |
Tax Withholding of RSU |
710 |
$28.64 |
$20.33K |
| 2026-03-23 |
Barkas Rafael |
SVP Global Ops & Supply Chain |
Tax Withholding of RSU |
607 |
$28.64 |
$17.38K |
| 2026-03-23 |
Stocker Thomas |
President, Gentherm Tech. |
Tax Withholding of RSU |
1,115 |
$28.64 |
$31.93K |
| 2026-03-23 |
Kauffman Wayne S Iii |
SVP and General Counsel |
Tax Withholding of RSU |
925 |
$28.64 |
$26.49K |
| 2026-03-23 |
Runyon Barbara J |
SVP, Chro |
Tax Withholding of RSU |
961 |
$28.64 |
$27.52K |
| 2026-03-17 |
Wang Chenglong |
VP & General Manager |
RSU Award |
11,496 |
- |
- |
| 2026-03-17 |
Sundaram Vishnu |
SVP, Chief Technology Officer |
RSU Award |
7,665 |
- |
- |
| 2026-03-17 |
Nicholas Breisacher |
Chief Accounting Officer |
RSU Award |
1,599 |
- |
- |
| 2026-03-17 |
Wilson Jaymi |
SVP, General Manager Na |
RSU Award |
8,940 |
- |
- |
| 2026-03-17 |
Presley William T. |
President & CEO |
RSU Award |
40,230 |
- |
- |
| 2026-03-17 |
Douyard Jonathan C |
EVP, CFO, Treasurer |
RSU Award |
14,049 |
- |
- |
| 2026-03-17 |
Barkas Rafael |
SVP Global Ops & Supply Chain |
RSU Award |
7,665 |
- |
- |
| 2026-03-17 |
Stocker Thomas |
SVP, General Manager, Europe |
RSU Award |
8,940 |
- |
- |
| 2026-03-17 |
Kauffman Wayne S Iii |
SVP and General Counsel |
RSU Award |
7,665 |
- |
- |
| 2026-03-17 |
Runyon Barbara J |
SVP, Chro |
RSU Award |
7,665 |
- |
- |
| 2026-03-15 |
Sundaram Vishnu |
SVP, Chief Technology Officer |
Tax Withholding of RSU |
430 |
$27.82 |
$11.96K |
| 2026-03-14 |
Sundaram Vishnu |
SVP, Chief Technology Officer |
Tax Withholding of RSU |
667 |
$27.82 |
$18.56K |
| 2026-03-15 |
Nicholas Breisacher |
Chief Accounting Officer |
Tax Withholding of RSU |
90 |
$27.82 |
$2.5K |
| 2026-03-14 |
Nicholas Breisacher |
Chief Accounting Officer |
Tax Withholding of RSU |
194 |
$27.82 |
$5.4K |
| 2026-03-15 |
Wilson Jaymi |
SVP, General Manager Na |
Tax Withholding of RSU |
646 |
$27.82 |
$17.97K |
| 2026-03-14 |
Wilson Jaymi |
SVP, General Manager Na |
Tax Withholding of RSU |
1,168 |
$27.82 |
$32.49K |
| 2026-03-14 |
Presley William T. |
President & CEO |
Tax Withholding of RSU |
5,083 |
$27.82 |
$141.41K |
