Insider Transactions Reported by 27 Insiders of Gentherm Inc

Symbol: THRM on Nasdaq
Location: Novi, MI

Quick Takeaways

THRM - Gentherm Inc has 27 insiders with reported activity on this page.
Net insider value flow over the last year: +$64,475.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $181,052; sell value: $116,577.
Net share flow: +3,352.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$64,475.

Buys

$181,052

Shares: 6,700

Insiders: 2

Sells

$116,577

Shares: 3,348

Insiders: 1

Net

+$64,475

Shares: +3,352

Insiders: 1

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	0	0	$0	$0	$0
3-6	0	0	$0	$0	$0
6-9	0	3,348	$0	$116,577	-$116,577
9-12	6,700	0	$181,052	$0	+$181,052

Gentherm Inc executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Presley William T.	President & CEO, Director	$5,946,771			Mixed	17 Mar 2026
Phillip Eyler	Former President & CEO	$5,525,068			Mixed	31 Dec 2024
Matteo Anversa	EVP, CFO, Treasurer	$2,636,120			Mixed	22 Mar 2024
Jonathan C. Douyard	EVP, CFO, Treasurer	$2,322,460			Mixed	17 Mar 2026
Byron Shaw	Director	$1,455,438			Mixed	18 May 2023
Jaymi Wilson	SVP, Chief Strategy Officer	$1,424,912			Mixed	23 Mar 2026
Barbara J. Runyon	Svp, Chro	$1,256,828	-$116,577	-8.5%	Mixed	23 Mar 2026
Wayne S. Kauffman III	SVP and General Counsel	$1,168,240			Mixed	23 Mar 2026
Rafael Barkas	SVP Global Ops & Supply Chain	$1,159,948			Mixed	23 Mar 2026
Thomas Stocker	President, Gentherm Tech.	$1,021,451			Mixed	23 Mar 2026
Sophie Desormiere	Director	$1,016,414			Mixed	08 May 2025
Yvonne Hao	Director	$1,009,329			Mixed	02 Jun 2022
Yijing Brentano	SVP, Strategy, Corp Dev, IR	$1,002,672			Filing P/S	31 May 2024
Ronald T. Hundzinski	Director	$960,604	+$133,350	+16%	Mixed	08 May 2025
Vishnu Sundaram	SVP, Chief Technology Officer	$949,574			Mixed	24 Mar 2026
Hui (helen) Xu	SVP, General Manager, Asia	$795,774			Filing P/S	05 Dec 2024
Matthew Fisch	SVP & Chief Technology Officer	$784,477			Mixed	15 Nov 2022
Chenglong Wang	VP & General Manager	$626,691			Mixed	23 Mar 2026
John G. Stacey	Director	$610,206			Mixed	08 May 2025
Charles R. Kummeth	Director	$578,787			Mixed	08 May 2025
David W. Heinzmann	Director	$456,532			Mixed	08 May 2025
Elizabeth Meter	Director	$411,047			Mixed	08 May 2025
Paul Cameron Giberson	SVP Global Sales	$334,664			Mixed	02 Aug 2021
Kenneth E. Washington	Director	$307,677	+$47,702	+18%	Filing P/S	13 May 2025
Laura Michele Kowalchik	Director	$243,414			Mixed	08 May 2025
Breisacher Nicholas	Chief Accounting Officer	$210,545			Mixed	23 Mar 2026
Jennifer L. Zoldos	Chief Accounting Officer	$84,592			Mixed	22 Jun 2022

Top shareholders of Gentherm Inc (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13F 13D/G	Company	15% from 13D/G	4,677,269	$170,112,291	—	31 Dec 2025	13F 13D/G
VANGUARD GROUP INC	13F	Company	11%	3,332,197	$121,192,005	—	31 Dec 2025	13F
Trigran Investments, Inc.	13F 13D/G	Company	4.8% from 13D/G	1,463,143	$53,214,511	—	31 Dec 2025	13F 13D/G
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.5%	1,378,213	$50,127,588	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	4.1%	1,263,302	$45,946,294	—	31 Dec 2025	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	4%	1,217,304	$44,273,363	—	31 Dec 2025	13F
Harvey Partners, LLC	13F	Company	3.4%	1,046,499	$38,061,169	—	31 Dec 2025	13F
Global Alpha Capital Management Ltd.	13F	Company	3.4%	1,030,673	$37,485,577	—	31 Dec 2025	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	3.3%	993,315	$36,126,867	—	31 Dec 2025	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	3.1%	940,222	$34,195,874	—	31 Dec 2025	13F
GW&K Investment Management, LLC	13F	Company	2.8%	856,297	$31,144,000	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.4%	744,046	$27,064,636	—	31 Dec 2025	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.2%	672,781	$24,469,045	—	31 Dec 2025	13F
AMERIPRISE FINANCIAL INC	13F	Company	2.1%	633,766	$23,050,069	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	1.8%	547,065	$19,896,754	—	31 Dec 2025	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1.8%	544,583	$19,806,484	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	1.6%	486,123	$17,680,334	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	1.4%	432,287	$15,722,279	—	31 Dec 2025	13F
ROYAL BANK OF CANADA	13F	Company	1.2%	376,486	$13,694,000	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	1.1%	337,105	$12,260,507	—	31 Dec 2025	13F
ROYCE & ASSOCIATES LP	13F	Company	1.1%	332,135	$12,079,750	—	31 Dec 2025	13F
Qube Research & Technologies Ltd	13F	Company	1.1%	320,326	$11,650,257	—	31 Dec 2025	13F
DEUTSCHE BANK AG\	13F	Company	1%	314,923	$11,453,750	—	31 Dec 2025	13F
Allspring Global Investments Holdings, LLC	13F	Company	1%	303,557	$11,180,004	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.94%	286,093	$10,405,201	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.72%	218,064	$7,930,988	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	0.71%	217,674	$7,916,805	—	31 Dec 2025	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.57%	173,342	$6,304,449	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	0.56%	172,118	$6,259,931	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.56%	171,754	$6,246,693	—	31 Dec 2025	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.54%	163,780	$5,956,679	—	31 Dec 2025	13F
Presley William T.	3/4/5	President & CEO, Director	0.58%	178,314	$5,946,771	—	17 Mar 2026	3/4/5
Divisar Capital Management LLC	13F	Company	0.52%	158,972	$5,781,812	—	31 Dec 2025	13F
Phillip Eyler	3/4/5	Former President & CEO	— mixed-class rows	199,347 mixed-class rows	$5,525,068	—	31 Dec 2024	3/4/5
Creative Planning	13F	Company	0.45%	135,650	$4,933,572	—	31 Dec 2025	13F
ENVESTNET ASSET MANAGEMENT INC	13F	Company	0.4%	121,927	$4,434,500	—	31 Dec 2025	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	0.39%	119,572	$4,348,829	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.39%	118,235	$4,300,207	—	31 Dec 2025	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.38%	116,815	$4,248,560	—	31 Dec 2025	13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	13F	Company	0.37%	113,177	$4,116,247	—	31 Dec 2025	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.36%	111,037	$4,038,416	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.35%	107,755	$3,919,050	—	31 Dec 2025	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	0.35%	105,868	$3,850,419	—	31 Dec 2025	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.35%	105,394	$3,833,180	—	31 Dec 2025	13F
NANO CAP NEW MILLENNIUM GROWTH FUND L P	13F	Company	0.31%	95,001	$3,455,186	—	31 Dec 2025	13F
Man Group plc	13F	Company	0.3%	92,881	$3,378,082	—	31 Dec 2025	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.3%	91,038	$3,311,052	—	31 Dec 2025	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.29%	88,437	$3,216,454	—	31 Dec 2025	13F
RHUMBLINE ADVISERS	13F	Company	0.29%	87,011	$3,164,568	—	31 Dec 2025	13F
Bridge City Capital, LLC	13F	Company	0.28%	86,544	$3,147,605	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for Gentherm Inc

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Breisacher Nicholas	THRM	Common Stock	Tax liability	-1.73%			-102	5,789	23 Mar 2026	Direct
Breisacher Nicholas	THRM	Common Stock	Award	6.37%			353	5,891	23 Mar 2026	Direct
Rafael Barkas	THRM	Common Stock	Tax liability	-1.87%			-607	31,893	23 Mar 2026	Direct
Rafael Barkas	THRM	Common Stock	Award	6.98%			2,121	32,500	23 Mar 2026	Direct
Barbara J. Runyon	THRM	Common Stock	Tax liability	-2.49%			-961	37,686	23 Mar 2026	Direct
Barbara J. Runyon	THRM	Common Stock	Award	5.81%			2,121	38,647	23 Mar 2026	Direct
Jaymi Wilson	THRM	Common Stock	Tax liability	-1.63%			-710	42,726	23 Mar 2026	Direct
Jaymi Wilson	THRM	Common Stock	Award	6.04%			2,474	43,436	23 Mar 2026	Direct
Wayne S. Kauffman III	THRM	Common Stock	Tax liability	-2.8%			-925	32,121	23 Mar 2026	Direct
Wayne S. Kauffman III	THRM	Common Stock	Award	6.86%			2,121	33,046	23 Mar 2026	Direct
Thomas Stocker	THRM	Common Stock	Tax liability	-3.82%			-1,115	28,085	23 Mar 2026	Direct
Thomas Stocker	THRM	Common Stock	Award	9.26%			2,474	29,200	23 Mar 2026	Direct
Chenglong Wang	THRM	Common Stock	Award	1.57%			266	17,231	23 Mar 2026	Direct
Breisacher Nicholas	THRM	Common Stock	Award	40.6%			1,599	5,538	17 Mar 2026	Direct
Vishnu Sundaram	THRM	Common Stock	Award	36.8%			7,665	28,473	17 Mar 2026	Direct
Barbara J. Runyon	THRM	Common Stock	Award	26.6%			7,665	36,526	17 Mar 2026	Direct
Wayne S. Kauffman III	THRM	Common Stock	Award	33%			7,665	30,925	17 Mar 2026	Direct
Rafael Barkas	THRM	Common Stock	Award	33.8%			7,665	30,379	17 Mar 2026	Direct
Jaymi Wilson	THRM	Common Stock	Award	27.9%			8,940	40,962	17 Mar 2026	Direct
Thomas Stocker	THRM	Common Stock	Award	50.3%			8,940	26,726	17 Mar 2026	Direct
Chenglong Wang	THRM	Common Stock	Award	210.2%			11,496	16,965	17 Mar 2026	Direct
Jonathan C. Douyard	THRM	Common Stock	Award	25.3%			14,049	69,639	17 Mar 2026	Direct
Presley William T.	THRM	Common Stock	Award	29.1%			40,230	178,314	17 Mar 2026	Direct
Jaymi Wilson	THRM	Common Stock	Tax liability	-1.98%			-646	32,022	15 Mar 2026	Direct
Vishnu Sundaram	THRM	Common Stock	Tax liability	-2.02%			-430	20,808	15 Mar 2026	Direct
Thomas Stocker	THRM	Common Stock	Tax liability	-5.39%			-1,014	17,786	15 Mar 2026	Direct
Barbara J. Runyon	THRM	Common Stock	Tax liability	-3%			-892	28,861	15 Mar 2026	Direct
Wayne S. Kauffman III	THRM	Common Stock	Tax liability	-3.62%			-874	23,260	15 Mar 2026	Direct
Breisacher Nicholas	THRM	Common Stock	Tax liability	-2.23%			-90	3,939	15 Mar 2026	Direct
Rafael Barkas	THRM	Common Stock	Tax liability	-2.46%			-573	22,714	15 Mar 2026	Direct
Jaymi Wilson	THRM	Common Stock	Tax liability	-3.45%			-1,168	32,668	14 Mar 2026	Direct
Vishnu Sundaram	THRM	Common Stock	Tax liability	-3.04%			-667	21,238	14 Mar 2026	Direct
Thomas Stocker	THRM	Common Stock	Tax liability	-8.91%			-1,838	18,800	14 Mar 2026	Direct
Barbara J. Runyon	THRM	Common Stock	Tax liability	-4.99%			-1,563	29,753	14 Mar 2026	Direct
Presley William T.	THRM	Common Stock	Tax liability	-3.55%			-5,083	138,084	14 Mar 2026	Direct
Wayne S. Kauffman III	THRM	Common Stock	Tax liability	-5.95%			-1,527	24,134	14 Mar 2026	Direct
Jonathan C. Douyard	THRM	Common Stock	Tax liability	-3.26%			-1,873	55,590	14 Mar 2026	Direct
Breisacher Nicholas	THRM	Common Stock	Tax liability	-4.59%			-194	4,029	14 Mar 2026	Direct
Rafael Barkas	THRM	Common Stock	Tax liability	-4.13%			-1,002	23,287	14 Mar 2026	Direct
Presley William T.	THRM	Common Stock	Tax liability	-11.1%			-17,936	143,167	24 Feb 2026	Direct
Jonathan C. Douyard	THRM	Common Stock	Tax liability	-11.9%			-7,757	57,463	24 Feb 2026	Direct
Vishnu Sundaram	THRM	Common Stock	Tax liability	-5.37%			-1,242	21,905	26 Sep 2025	Direct
Breisacher Nicholas	THRM	Common Stock	Tax liability	-0.89%			-38	4,223	29 Aug 2025	Direct
Barbara J. Runyon	THRM	Common Stock	Sale	-9.66%	$116,577	$34.82	-3,348	31,316	21 Aug 2025	Direct
Kenneth E. Washington	THRM	Common Stock	Purchase	18.4%	$47,702	$28.06	1,700	10,965	13 May 2025	Direct
Hundzinski Ronald T.	THRM	Common Stock	Purchase	38.4%	$133,350	$26.67	5,000	18,006	08 May 2025	Direct
Kenneth E. Washington	THRM	Common Stock	Award	121.1%			5,075	9,265	08 May 2025	Direct
John Stacey	THRM	Common Stock	Award	28.6%			5,075	22,820	08 May 2025	Direct
Elizabeth Meter	THRM	Common Stock	Award	49.3%			5,075	15,372	08 May 2025	Direct
Charles R. Kummeth	THRM	Common Stock	Award	30.6%			5,075	21,645	08 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.