TMDX Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 7.00%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $3,310,247.26

TransMedics Group Insider Trading History Chart

TransMedics Group Share Price & Price History

^$136.34

▲ +1.28 (0.95%)

As of 02/9/2026 05:00 PM ET

Days: 30 | 90 | 365

TransMedics Group Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/4/2025	Gerardo Hernandez	CFO	Sell	920	$139.62	$128,450.40	15,064
12/3/2025	David Weill	Director	Sell	5,000	$138.64	$693,200.00	12,134
11/25/2025	Anil P. Ranganath	Insider	Sell	3,000	$145.22	$435,660.00	13,955
10/29/2025	Edward M Basile	Director	Sell	4,142	$130.45	$540,323.90	2,866
6/9/2025	Anil P. Ranganath	Insider	Sell	686	$139.80	$95,902.80	13,955
5/27/2025	Edward M Basile	Director	Sell	5,000	$126.45	$632,250.00	2,866
5/23/2025	David Weill	Director	Sell	732	$123.88	$90,680.16	12,134
5/9/2025	Edward M Basile	Director	Sell	6,000	$115.63	$693,780.00	732
12/2/2024	Tamer I Khayal	Insider	Sell	1,084	$86.40	$93,657.60	20,843
11/5/2024	Edward M Basile	Director	Sell	6,750	$83.55	$563,962.50	732
10/15/2024	Waleed H Hassanein	CEO	Sell	8,625	$132.71	$1,144,623.75	61,643
10/1/2024	Tamer I Khayal	Insider	Sell	2,958	$148.24	$438,493.92	20,843
9/16/2024	Waleed H Hassanein	CEO	Sell	8,625	$153.42	$1,323,247.50	61,643
8/27/2024	Nicholas Corcoran	Insider	Sell	10,000	$176.02	$1,760,200.00	21,105
8/8/2024	James R Tobin	Director	Sell	20,000	$159.33	$3,186,600.00	173,146
8/7/2024	Anil P. Ranganath	Insider	Sell	4,289	$152.20	$652,785.80	8,893
8/6/2024	Edward M Basile	Director	Sell	6,750	$149.96	$1,012,230.00	732
8/1/2024	Tamer I Khayal	Insider	Sell	2,958	$156.77	$463,725.66	20,843
7/15/2024	Waleed H Hassanein	CEO	Sell	8,625	$145.17	$1,252,091.25	61,643
6/14/2024	Waleed H Hassanein	CEO	Sell	8,625	$141.85	$1,223,456.25	61,643
6/5/2024	Anil P. Ranganath	Insider	Sell	703	$135.21	$95,052.63	8,809
6/3/2024	Stephen Gordon	CFO	Sell	2,060	$135.93	$280,015.80	21,299
6/3/2024	Tamer I Khayal	Insider	Sell	2,960	$133.10	$393,976.00	20,843
5/29/2024	David Weill	Director	Sell	1,193	$141.65	$168,988.45	10,732
5/29/2024	Stephen Gordon	CFO	Sell	20,000	$141.40	$2,828,000.00	21,299
5/10/2024	David Weill	Director	Sell	2,500	$129.82	$324,550.00	11,193
5/7/2024	Edward M Basile	Director	Sell	7,157	$129.98	$930,266.86	1,193
5/6/2024	Nicholas Corcoran	Insider	Sell	3,222	$129.91	$418,570.02	21,105
5/6/2024	Stephen Gordon	CFO	Sell	15,000	$128.00	$1,920,000.00	23,299
5/6/2024	Waleed H Hassanein	CEO	Sell	30,000	$130.07	$3,902,100.00	61,643
5/3/2024	James R Tobin	Director	Sell	12,025	$125.05	$1,503,726.25	193,146
5/1/2024	James R Tobin	Director	Sell	15,040	$106.43	$1,600,707.20	205,171
5/1/2024	Tamer I Khayal	Insider	Sell	63,260	$108.54	$6,866,240.40	9,792
5/1/2024	Waleed H Hassanein	CEO	Sell	56,000	$115.63	$6,475,280.00	74,087
4/17/2024	Waleed H Hassanein	CEO	Sell	4,000	$95.12	$380,480.00	74,087
4/10/2024	Waleed H Hassanein	CEO	Sell	12,000	$95.09	$1,141,080.00	74,087
4/9/2024	Tamer I Khayal	Insider	Sell	15,512	$90.45	$1,403,060.40	25,185
4/4/2024	Tamer I Khayal	Insider	Sell	4,947	$80.36	$397,540.92	25,185
4/1/2024	Stephen Gordon	CFO	Sell	15,000	$74.01	$1,110,150.00	23,299
3/8/2024	Stephen Gordon	CFO	Sell	1,903	$87.63	$166,759.89	23,299
3/8/2024	Tamer I Khayal	Insider	Sell	1,417	$87.80	$124,412.60	25,185
3/4/2024	Stephen Gordon	CFO	Sell	15,000	$82.80	$1,242,000.00	25,202
3/1/2024	James R Tobin	Director	Sell	13,380	$83.63	$1,118,969.40	220,211
3/1/2024	Tamer I Khayal	Insider	Sell	10,000	$82.99	$829,900.00	26,502
2/20/2024	Tamer I Khayal	Insider	Sell	250	$90.00	$22,500.00	14,375
2/15/2024	Tamer I Khayal	Insider	Sell	776	$90.00	$69,840.00	14,375
2/7/2024	Tamer I Khayal	Insider	Sell	736	$90.09	$66,306.24	14,375
2/6/2024	Edward M Basile	Director	Sell	7,157	$86.38	$618,221.66	8,350
2/1/2024	Stephen Gordon	CFO	Sell	15,000	$85.45	$1,281,750.00	13,075
1/23/2024	Tamer I Khayal	Insider	Sell	2,330	$90.09	$209,909.70	14,375
1/16/2024	Tamer I Khayal	Insider	Sell	10,000	$80.41	$804,100.00	14,375
1/2/2024	Stephen Gordon	CFO	Sell	15,000	$77.07	$1,156,050.00	13,075
12/13/2023	Miriam Provost	VP	Sell	4,122	$75.10	$309,562.20	23,820
11/28/2023	James R Tobin	Director	Sell	10,000	$70.14	$701,400.00	233,591
11/7/2023	Waleed H Hassanein	CEO	Sell	15,000	$64.32	$964,800.00	514,191
10/2/2023	Stephen Gordon	CFO	Sell	5,000	$54.22	$271,100.00	18,789
9/1/2023	Waleed H Hassanein	CEO	Sell	7,500	$68.26	$511,950.00	529,191
8/31/2023	Miriam Provost	VP	Sell	2,708	$66.52	$180,136.16	23,611
8/29/2023	David Weill	Director	Buy	2,500	$62.00	$155,000.00	13,693
8/1/2023	Waleed H Hassanein	CEO	Sell	7,500	$93.06	$697,950.00	536,691
7/18/2023	Tamer I Khayal	Insider	Sell	5,000	$95.37	$476,850.00	14,375
7/13/2023	Tamer I Khayal	Insider	Sell	2,974	$90.05	$267,808.70	14,375
7/3/2023	Waleed H Hassanein	CEO	Sell	7,500	$82.51	$618,825.00	544,191
6/1/2023	Waleed H Hassanein	CEO	Sell	7,500	$71.64	$537,300.00	551,691
5/1/2023	Stephen Gordon	CFO	Sell	5,000	$79.05	$395,250.00	18,789
5/1/2023	Waleed H Hassanein	CEO	Sell	7,500	$78.13	$585,975.00	559,191
4/21/2023	Tamer I Khayal	Insider	Sell	12,026	$86.28	$1,037,603.28	14,375
3/1/2023	Edward M Basile	Director	Sell	3,500	$80.10	$280,350.00	14,314
3/1/2023	Stephen Gordon	CFO	Sell	5,000	$79.51	$397,550.00	18,789
3/1/2023	Waleed H Hassanein	CEO	Sell	7,500	$80.72	$605,400.00	381,117
2/28/2023	Tamer I Khayal	Insider	Sell	10,000	$80.15	$801,500.00	14,375
2/27/2023	David Weill	Director	Sell	5,934	$76.69	$455,078.46	10,000
2/23/2023	James R Tobin	Director	Sell	10,000	$75.13	$751,300.00	243,591
2/23/2023	Tamer I Khayal	Insider	Sell	35,930	$73.51	$2,641,214.30	14,375
2/23/2023	Waleed H Hassanein	CEO	Sell	37,827	$73.65	$2,785,958.55	388,617
2/14/2023	Tamer I Khayal	Insider	Sell	4,070	$70.15	$285,510.50	1,300
2/14/2023	Waleed H Hassanein	CEO	Sell	2,173	$70.08	$152,283.84	389,112

SEC Filings (Institutional Ownership Changes) for TransMedics Group (NASDAQ:TMDX)

99.67% of TransMedics Group stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

TransMedics Group Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/9/2026	Geode Capital Management LLC	816,474	$99.34M	0.0%	+0.4%	2.389%
2/9/2026	Annis Gardner Whiting Capital Advisors LLC	2,636	$0.32M	0.1%	+70.5%	0.008%
2/9/2026	Legal & General Group Plc	85,868	$10.45M	0.0%	-2.6%	0.251%
2/9/2026	SLT Holdings LLC	4,099	$0.50M	0.3%	+62.4%	0.012%
2/9/2026	Hantz Financial Services Inc.	311	$38K	0.0%	+196.2%	0.001%
2/9/2026	Coldstream Capital Management Inc.	1,747	$0.21M	0.0%	N/A	0.005%
2/9/2026	Lisanti Capital Growth LLC	56,751	$6.90M	1.6%	-0.3%	0.166%
2/6/2026	Legato Capital Management LLC	15,735	$1.91M	0.2%	+48.9%	0.046%
2/6/2026	Plan A Wealth LLC	3,576	$0.44M	0.2%	+5.9%	0.010%
2/6/2026	Global Retirement Partners LLC	478	$58K	0.0%	-19.9%	0.001%
2/6/2026	Bastion Asset Management Inc.	57,596	$7.23M	4.0%	+28.3%	0.169%
2/6/2026	IFP Advisors Inc	4,270	$0.52M	0.0%	-9.6%	0.012%
2/6/2026	ProShare Advisors LLC	6,710	$0.82M	0.0%	+4.5%	0.020%
2/6/2026	HighTower Advisors LLC	16,407	$2M	0.0%	+1.0%	0.048%
2/6/2026	Envestnet Portfolio Solutions Inc.	4,702	$0.57M	0.0%	+4.6%	0.014%
2/5/2026	Dana Investment Advisors Inc.	15,658	$1.91M	0.1%	-1.1%	0.046%
2/5/2026	Phoenix Financial Ltd.	2,891	$0.35M	0.0%	-51.0%	0.008%
2/5/2026	Thrivent Financial for Lutherans	23,483	$2.86M	0.0%	-4.5%	0.069%
2/5/2026	Cornerstone Wealth Management LLC	5,116	$0.62M	0.0%	-26.2%	0.015%
2/5/2026	Bank Julius Baer & Co. Ltd Zurich	5,763	$0.70M	0.0%	+5.3%	0.017%
2/4/2026	Pacer Advisors Inc.	1,330	$0.16M	0.0%	N/A	0.004%
2/4/2026	Oregon Public Employees Retirement Fund	7,797	$0.95M	0.0%	+2.1%	0.023%
2/4/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	10,400	$1.27M	0.0%	+57.6%	0.030%
2/4/2026	Meridian Wealth Management LLC	1,679	$0.20M	0.0%	N/A	0.005%
2/4/2026	HighPoint Advisor Group LLC	2,955	$0.36M	0.0%	+3.1%	0.009%
2/4/2026	Versor Investments LP	3,712	$0.45M	0.1%	+17.5%	0.011%
2/4/2026	49 Wealth Management LLC	1,677	$0.20M	0.0%	N/A	0.005%
2/4/2026	Swiss Life Asset Management Ltd	2,998	$0.37M	0.0%	N/A	0.009%
2/3/2026	F m Investments LLC	65,539	$7.97M	0.3%	+15.2%	0.192%
2/3/2026	Crossmark Global Holdings Inc.	2,275	$0.28M	0.0%	+4.0%	0.007%
2/3/2026	Indivisible Partners	1,891	$0.23M	0.0%	N/A	0.006%
2/3/2026	Mitsubishi UFJ Asset Management Co. Ltd.	32,909	$4.04M	0.0%	-14.3%	0.096%
2/3/2026	SBI Securities Co. Ltd.	3,307	$0.40M	0.0%	-28.9%	0.010%
2/3/2026	Morse Asset Management Inc	686	$83K	0.0%	N/A	0.002%
2/2/2026	Hussman Strategic Advisors Inc.	14,700	$1.79M	0.4%	N/A	0.043%
2/2/2026	Fifth Third Bancorp	439	$53K	0.0%	+70.8%	0.001%
2/2/2026	Total Clarity Wealth Management Inc.	2,210	$0.27M	0.1%	-4.9%	0.006%
2/2/2026	Oppenheimer & Co. Inc.	116,566	$14.18M	0.2%	+4.4%	0.341%
1/30/2026	New York State Teachers Retirement System	29,503	$3.59M	0.0%	+2.4%	0.086%
1/30/2026	State of New Jersey Common Pension Fund D	18,424	$2.24M	0.0%	+2.9%	0.054%
1/30/2026	GC Wealth Management RIA LLC	2,771	$0.34M	0.0%	-27.0%	0.008%
1/30/2026	Values First Advisors Inc.	5,763	$0.70M	0.4%	-1.3%	0.017%
1/30/2026	M&T Bank Corp	2,962	$0.36M	0.0%	+35.4%	0.009%
1/29/2026	Comerica Bank	24,666	$3M	0.0%	-2.0%	0.072%
1/29/2026	D.A. Davidson & CO.	15,334	$1.87M	0.0%	+0.5%	0.045%
1/29/2026	Pictet Asset Management Holding SA	4,858	$0.59M	0.0%	+8.5%	0.014%
1/29/2026	Sanctuary Advisors LLC	1,694	$0.21M	0.0%	N/A	0.005%
1/29/2026	Teachers Retirement System of The State of Kentucky	8,519	$1.04M	0.0%	-10.5%	0.025%
1/29/2026	Vanguard Group Inc.	3,605,279	$438.58M	0.0%	0.0%	10.551%
1/29/2026	Sava Infond d.o.o.	3,100	$0.38M	0.1%	+63.2%	0.009%
1/29/2026	Concurrent Investment Advisors LLC	9,344	$1.14M	0.0%	N/A	0.027%
1/29/2026	Generali Investments Management Co LLC	2,878	$0.35M	0.1%	+138.0%	0.008%
1/29/2026	NBC Securities Inc.	2,507	$0.31M	0.0%	+69.0%	0.007%
1/28/2026	Arizona State Retirement System	9,117	$1.11M	0.0%	-4.0%	0.027%
1/28/2026	Peregrine Capital Management LLC	60,157	$7.32M	0.2%	-12.1%	0.176%
1/28/2026	HB Wealth Management LLC	14,736	$1.79M	0.0%	+1.8%	0.043%
1/28/2026	M&T Bank Corp	18,572	$2.26M	0.0%	+749.2%	0.054%
1/28/2026	Universal Beteiligungs und Servicegesellschaft mbH	92,446	$11.25M	0.0%	+41.5%	0.271%
1/27/2026	Evergreen Capital Management LLC	2,356	$0.29M	0.0%	-12.0%	0.007%
1/27/2026	Zurcher Kantonalbank Zurich Cantonalbank	16,265	$1.98M	0.0%	+63.6%	0.048%
1/27/2026	First Horizon Corp	702	$85K	0.0%	+83.8%	0.002%
1/26/2026	Merit Financial Group LLC	1,767	$0.22M	0.0%	N/A	0.005%
1/26/2026	Campbell Newman Asset Management Inc.	12,039	$1.47M	0.1%	-3.7%	0.035%
1/26/2026	CWM LLC	779	$95K	0.0%	-13.2%	0.002%
1/26/2026	Taylor Frigon Capital Management LLC	19,823	$2.41M	1.2%	-4.5%	0.058%
1/23/2026	Farther Finance Advisors LLC	1,066	$0.13M	0.0%	+89.7%	0.003%
1/23/2026	State of Alaska Department of Revenue	17,401	$2.12M	0.0%	+1.4%	0.051%
1/23/2026	Baillie Gifford & Co.	316,473	$38.50M	0.0%	+21.4%	0.926%
1/22/2026	Massachusetts Financial Services Co. MA	3,316	$0.40M	0.0%	N/A	0.010%
1/22/2026	Hager Investment Management Services LLC	3,456	$0.42M	0.2%	+14.4%	0.010%
1/21/2026	Truefg LLC	2,500	$0.30M	0.1%	N/A	0.007%
1/21/2026	Yousif Capital Management LLC	9,491	$1.16M	0.0%	-12.4%	0.028%
1/21/2026	Flagship Harbor Advisors LLC	504	$61K	0.0%	N/A	0.001%
1/20/2026	Toth Financial Advisory Corp	400	$49K	0.0%	N/A	0.001%
1/16/2026	Perigon Wealth Management LLC	21,325	$2.59M	0.0%	+3.5%	0.062%
1/15/2026	Allspring Global Investments Holdings LLC	5,813	$0.71M	0.0%	+39.4%	0.017%
1/15/2026	Zevenbergen Capital Investments LLC	280,178	$34.08M	0.8%	+8.4%	0.820%
1/15/2026	Brookstone Capital Management	1,718	$0.21M	0.0%	N/A	0.005%
1/14/2026	Spire Wealth Management	2,236	$0.27M	0.0%	-55.5%	0.007%
1/9/2026	SG Americas Securities LLC	15,725	$1.91M	0.0%	+125.8%	0.046%
1/8/2026	Wealth Enhancement Advisory Services LLC	2,502	$0.33M	0.0%	-3.8%	0.007%
1/8/2026	Nordea Investment Management AB	31,992	$3.95M	0.0%	-12.0%	0.094%
1/5/2026	Park Avenue Securities LLC	8,462	$1.03M	0.0%	+11.9%	0.025%
12/15/2025	FNY Investment Advisers LLC	305	$34K	0.0%	N/A	0.001%
12/2/2025	Allworth Financial LP	265	$30K	0.0%	+74.3%	0.001%
12/1/2025	Investment Research Partners LLC	3,948	$0.44M	0.2%	N/A	0.012%
11/21/2025	CIBC Bancorp USA Inc.	3,544	$0.40M	0.0%	N/A	0.010%
11/20/2025	Kensington Investment Counsel LLC	17,165	$1.93M	0.8%	N/A	0.050%
11/18/2025	Advisory Services Network LLC	2,442	$0.27M	0.0%	N/A	0.007%
11/17/2025	Financial Engines Advisors L.L.C.	4,314	$0.48M	0.0%	-52.0%	0.013%
11/17/2025	Dark Forest Capital Management LP	29,405	$3.30M	0.1%	+415.1%	0.086%
11/17/2025	PharVision Advisers LLC	3,841	$0.43M	0.2%	+95.0%	0.011%
11/17/2025	XTX Topco Ltd	7,658	$0.86M	0.0%	-51.2%	0.022%
11/17/2025	Zurich Insurance Group Ltd FI	20,995	$2.36M	0.0%	N/A	0.061%
11/17/2025	Wasatch Advisors LP	325,202	$36.49M	0.2%	-3.0%	0.952%
11/17/2025	Verition Fund Management LLC	27,246	$3.06M	0.0%	-31.7%	0.080%
11/17/2025	Quarry LP	959	$0.11M	0.0%	+41.9%	0.003%
11/17/2025	Nomura Holdings Inc.	30,975	$3.48M	0.0%	N/A	0.091%
11/17/2025	Mariner LLC	8,617	$0.97M	0.0%	-25.1%	0.025%
11/17/2025	Militia Capital Partners LP	13,000	$1.46M	0.7%	+30.0%	0.038%

Data available starting January 2016

TransMedics Group, Inc., a commercial-stage medical technology company, engages in transforming organ transplant therapy for end-stage organ failure patients in the United States and internationally. The company offers Organ Care System (OCS), a portable organ perfusion, optimization, and monitoring system that utilizes its proprietary and customized technology to replicate near-physiologic conditions for donor organs outside of the human body. Its OCS includes OCS LUNG for the preservation of standard criteria donor lungs for double-lung transplantation; OCS Heart, a technology for preservation of DBD donor hearts deemed unsuitable due to limitations of cold storage and for ex vivo reanimation, functional monitoring, and beating-heart preservation of donation-after-circulatory-death hearts; and OCS Liver for the preservation of DBD and DCD of donor livers. The company also developed national OCS program, a turnkey solution for outsourced organ retrieval; and provides OCS organ management and logistics services, including aviation and ground transportation, and other coordination activity. The company was founded in 1998 and is headquartered in Andover, Massachusetts.

Today's Range

Now: $136.34

$133.61

$138.61

50 Day Range

MA: $132.84

$121.07

$143.69

52 Week Range

Now: $136.34

$62.07

$156.00

Volume

610,277 shs

Average Volume

776,643 shs

Market Capitalization

$4.66 billion

P/E Ratio

55.20

Dividend Yield

N/A

Beta

2.06

Who are the company insiders with the largest holdings of TransMedics Group?: TransMedics Group's top insider investors include:
James R Tobin (Director)
Waleed H Hassanein (CEO)
Tamer I Khayal (Insider)
Stephen Gordon (CFO)
Nicholas Corcoran (Insider)
Gerardo Hernandez (CFO)
Anil P Ranganath (Insider)
David Weill (Director)
Edward M Basile (Director)
Learn More about top insider investors at TransMedics Group.
Who are the major institutional investors of TransMedics Group?: TransMedics Group's top institutional investors include:
Vanguard Group Inc. — 10.55%
Geode Capital Management LLC — 2.39%
Baillie Gifford & Co. — 0.93%
Zevenbergen Capital Investments LLC — 0.82%
Oppenheimer & Co. Inc. — 0.34%
Universal Beteiligungs und Servicegesellschaft mbH — 0.27%
Learn More about top institutional investors of TransMedics Group stock.
Which institutional investors are selling TransMedics Group stock?: During the previous quarter, TMDX stock was sold by these institutional investors:
Peregrine Capital Management LLC
Mitsubishi UFJ Asset Management Co. Ltd.
Nordea Investment Management AB
Phoenix Financial Ltd.
Spire Wealth Management
Legal & General Group Plc
Cornerstone Wealth Management LLC
Wolverine Asset Management LLC
During the previous year, company insiders that have sold TransMedics Group company stock include:
James R Tobin (Director)
Waleed H Hassanein (CEO)
Tamer I Khayal (Insider)
Stephen Gordon (CFO)
Learn More investors selling TransMedics Group stock.
Which institutional investors are buying TransMedics Group stock?: In the previous quarter, TMDX stock was bought by institutional investors including:
Baillie Gifford & Co.
Universal Beteiligungs und Servicegesellschaft mbH
Zevenbergen Capital Investments LLC
M&T Bank Corp
Hussman Strategic Advisors Inc.
Bastion Asset Management Inc.
Concurrent Investment Advisors LLC
SG Americas Securities LLC