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): $2,488,596.86

TransMedics Group Insider Trading History Chart

TransMedics Group Share Price & Price History

^$138.63

▼ -1.47 (-1.05%)

As of 12/4/2025 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
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
1/23/2023	Tamer I Khayal	Insider	Sell	3,142	$65.07	$204,449.94	1,300
1/23/2023	Waleed H Hassanein	CEO	Sell	12,362	$65.42	$808,722.04	398,785
1/20/2023	Tamer I Khayal	Insider	Sell	5,558	$65.21	$362,437.18	1,300
1/20/2023	Waleed H Hassanein	CEO	Sell	6,332	$65.19	$412,783.08	411,147
1/18/2023	Tamer I Khayal	Insider	Sell	1,300	$65.11	$84,643.00	1,300
1/17/2023	John F. Carey	VP	Sell	1,410	$62.71	$88,421.10	14,120
1/17/2023	Stephen Gordon	CFO	Sell	5,000	$60.12	$300,600.00	5,714
1/17/2023	Waleed H Hassanein	CEO	Sell	7,500	$64.14	$481,050.00	418,785
1/13/2023	Tamer I Khayal	Insider	Sell	5,900	$60.20	$355,180.00	1,300
1/3/2023	Tamer I Khayal	Insider	Sell	4,100	$61.85	$253,585.00	1,300
12/15/2022	Laura Damme	VP	Sell	4,990	$59.01	$294,459.90
12/13/2022	Miriam Provost	VP	Sell	4,315	$62.53	$269,816.95	15,154
12/9/2022	Miriam Provost	VP	Sell	3,613	$59.00	$213,167.00	12,969

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
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%
11/17/2025	Moors & Cabot Inc.	1,866	$0.21M	0.0%	N/A	0.005%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	32,468	$3.64M	0.0%	-0.8%	0.095%
11/17/2025	Lagoda Investment Management L.P.	108,060	$12.12M	6.9%	+3.5%	0.316%
11/17/2025	Gotham Asset Management LLC	8,237	$0.92M	0.0%	+160.7%	0.024%
11/17/2025	Fred Alger Management LLC	150,741	$16.91M	0.1%	+303.8%	0.441%
11/17/2025	Brevan Howard Capital Management LP	17,480	$1.96M	0.0%	+68.9%	0.051%
11/17/2025	Braidwell LP	351,248	$39.41M	1.2%	+37.7%	1.028%
11/17/2025	ArrowMark Colorado Holdings LLC	313,125	$35.13M	0.7%	+54.0%	0.916%
11/17/2025	Algert Global LLC	26,924	$3.02M	0.1%	+104.2%	0.079%
11/17/2025	Ameriprise Financial Inc.	114,790	$12.88M	0.0%	+12.4%	0.336%
11/14/2025	Schonfeld Strategic Advisors LLC	26,335	$2.96M	0.0%	N/A	0.077%
11/14/2025	Creative Planning	19,515	$2.19M	0.0%	+4.9%	0.057%
11/14/2025	Credit Agricole S A	63,615	$7.14M	0.0%	N/A	0.186%
11/14/2025	Raymond James Financial Inc.	112,980	$12.68M	0.0%	-41.6%	0.331%
11/14/2025	Bellevue Group AG	116,968	$13.12M	0.3%	-10.4%	0.342%
11/14/2025	Virtu Financial LLC	4,747	$0.53M	0.0%	-64.1%	0.014%
11/14/2025	Amundi	6,023	$0.69M	0.0%	+9.0%	0.018%
11/14/2025	Deerfield Management Company L.P.	12,752	$1.43M	0.0%	N/A	0.037%
11/14/2025	Man Group plc	113,556	$12.74M	0.0%	+360.8%	0.332%
11/14/2025	Occudo Quantitative Strategies LP	8,806	$0.99M	0.1%	+79.3%	0.026%
11/14/2025	Davidson Kempner Capital Management LP	146,400	$16.43M	0.3%	+41.0%	0.428%
11/14/2025	Zurcher Kantonalbank Zurich Cantonalbank	9,940	$1.12M	0.0%	+6.4%	0.029%
11/14/2025	Keebeck Wealth Management	2,835	$0.32M	0.0%	N/A	0.008%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	1,069,492	$120M	0.0%	+11.9%	3.130%
11/14/2025	Two Sigma Investments LP	635,394	$71.29M	0.1%	+54.2%	1.860%
11/14/2025	iSAM Funds UK Ltd	225	$25K	0.0%	-91.9%	0.001%
11/14/2025	Wellington Management Group LLP	216,141	$24.25M	0.0%	-87.4%	0.633%
11/14/2025	Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna	667	$75K	0.0%	N/A	0.002%
11/14/2025	Harvest Fund Management Co. Ltd	255	$29K	0.0%	N/A	0.001%
11/14/2025	Comerica Bank	25,170	$2.82M	0.0%	+72.6%	0.074%
11/14/2025	Newbridge Financial Services Group Inc.	300	$34K	0.0%	-25.0%	0.001%
11/14/2025	Portolan Capital Management LLC	68,910	$7.73M	0.4%	N/A	0.202%
11/14/2025	F m Investments LLC	56,912	$6.39M	0.2%	+6.7%	0.167%
11/13/2025	Jump Financial LLC	127,032	$14.25M	0.1%	+482.7%	0.372%
11/13/2025	Marshall Wace LLP	541,678	$60.78M	0.1%	-0.9%	1.585%
11/13/2025	Johnson Financial Group Inc.	576	$65K	0.0%	N/A	0.002%
11/13/2025	Sei Investments Co.	43,716	$4.91M	0.0%	-53.9%	0.128%
11/13/2025	RiverPark Advisors LLC	386	$43K	0.0%	-59.9%	0.001%
11/13/2025	Franklin Resources Inc.	15,427	$1.73M	0.0%	+3.9%	0.045%
11/13/2025	Van ECK Associates Corp	1,246	$0.14M	0.0%	+36.5%	0.004%
11/13/2025	Legal & General Group Plc	88,160	$9.89M	0.0%	-4.7%	0.258%
11/13/2025	Fieldview Capital Management LLC	15,291	$1.72M	0.3%	N/A	0.045%
11/13/2025	Sandhill Capital Partners LLC	2,674	$0.30M	0.0%	-26.3%	0.008%
11/13/2025	Swiss National Bank	62,300	$6.99M	0.0%	+2.0%	0.182%
11/13/2025	Russell Investments Group Ltd.	4,549	$0.51M	0.0%	-42.4%	0.013%
11/13/2025	Inceptionr LLC	2,552	$0.29M	0.1%	N/A	0.007%
11/13/2025	Dynamic Technology Lab Private Ltd	2,931	$0.33M	0.1%	N/A	0.009%
11/13/2025	Natixis Advisors LLC	13,282	$1.49M	0.0%	-10.3%	0.039%
11/13/2025	Blair William & Co. IL	57,443	$6.45M	0.0%	-16.1%	0.168%
11/13/2025	First Trust Advisors LP	39,093	$4.39M	0.0%	-9.9%	0.114%
11/12/2025	LOM Asset Management Ltd	300	$34K	0.0%	N/A	0.001%
11/12/2025	Pitcairn Co.	3,661	$0.41M	0.0%	-23.9%	0.011%
11/12/2025	Crossmark Global Holdings Inc.	2,187	$0.25M	0.0%	-11.4%	0.006%
11/12/2025	Dimensional Fund Advisors LP	450,993	$50.60M	0.0%	+20.3%	1.320%
11/12/2025	Legato Capital Management LLC	10,565	$1.19M	0.1%	+58.6%	0.031%
11/12/2025	Teachers Retirement System of The State of Kentucky	9,520	$1.07M	0.0%	-7.5%	0.028%
11/12/2025	Victory Capital Management Inc.	27,933	$3.13M	0.0%	+256.7%	0.082%
11/12/2025	Royce & Associates LP	243,149	$27.28M	0.3%	-1.7%	0.712%
11/12/2025	Quantbot Technologies LP	3,863	$0.43M	0.0%	N/A	0.011%
11/12/2025	Handelsbanken Fonder AB	11,000	$1.23M	0.0%	+12.2%	0.032%
11/12/2025	Generali Investments Management Co LLC	1,209	$0.14M	0.0%	N/A	0.004%
11/12/2025	DNB Asset Management AS	29,691	$3.33M	0.0%	+199.8%	0.087%
11/12/2025	Mitsubishi UFJ Asset Management Co. Ltd.	38,409	$4.31M	0.0%	-7.0%	0.112%
11/12/2025	Total Clarity Wealth Management Inc.	2,323	$0.26M	0.1%	-19.3%	0.007%
11/12/2025	Intech Investment Management LLC	29,027	$3.26M	0.0%	-15.6%	0.085%
11/12/2025	US Bancorp DE	533	$60K	0.0%	+24.2%	0.002%
11/12/2025	Hager Investment Management Services LLC	3,021	$0.34M	0.2%	+53.8%	0.009%
11/12/2025	Fox Run Management L.L.C.	9,939	$1.12M	0.2%	+21.2%	0.029%
11/10/2025	Optiver Holding B.V.	268	$30K	0.0%	+248.1%	0.001%
11/10/2025	Dana Investment Advisors Inc.	15,833	$1.78M	0.1%	+16.9%	0.046%
11/10/2025	Verus Capital Partners LLC	1,815	$0.20M	0.0%	+9.7%	0.005%
11/10/2025	Ameritas Investment Partners Inc.	2,778	$0.31M	0.0%	-18.1%	0.008%
11/10/2025	OneDigital Investment Advisors LLC	7,256	$0.81M	0.0%	+10.6%	0.021%
11/10/2025	Intrust Bank NA	4,605	$0.52M	0.0%	-17.4%	0.013%
11/10/2025	Citigroup Inc.	76,785	$8.62M	0.0%	+29.3%	0.225%
11/10/2025	Sava Infond d.o.o.	1,900	$0.21M	0.0%	-5.0%	0.006%
11/10/2025	China Universal Asset Management Co. Ltd.	1,000	$0.11M	0.0%	N/A	0.003%
11/7/2025	King Luther Capital Management Corp	20,000	$2.24M	0.0%	N/A	0.059%
11/7/2025	GSA Capital Partners LLP	5,981	$0.67M	0.1%	N/A	0.018%
11/7/2025	Guidance Capital Inc.	1,887	$0.21M	0.1%	N/A	0.006%
11/7/2025	Vanguard Group Inc.	3,605,607	$404.55M	0.0%	+0.3%	10.552%
11/7/2025	Bastion Asset Management Inc.	44,887	$5.13M	3.0%	N/A	0.131%
11/7/2025	State of New Jersey Common Pension Fund D	17,903	$2.01M	0.0%	+17.2%	0.052%
11/7/2025	PNC Financial Services Group Inc.	3,639	$0.41M	0.0%	+19.9%	0.011%

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: $138.63

$133.50

$139.75

50 Day Range

MA: $124.55

$107.29

$150.42

52 Week Range

Now: $138.63

$55.00

$156.00

Volume

644,815 shs

Average Volume

813,568 shs

Market Capitalization

$4.74 billion

P/E Ratio

56.13

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)
Miriam Provost (VP)
Nicholas Corcoran (Insider)
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%
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC — 3.13%
Two Sigma Investments LP — 1.86%
Marshall Wace LLP — 1.59%
Dimensional Fund Advisors LP — 1.32%
Emerald Advisers LLC — 1.14%
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:
Wellington Management Group LLP
Universal Beteiligungs und Servicegesellschaft mbH
Brown Capital Management LLC
New York State Common Retirement Fund
Raymond James Financial Inc.
Emerald Advisers LLC
Sei Investments Co.
Citadel Advisors 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)
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:
Two Sigma Investments LP
Zevenbergen Capital Investments LLC
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
Fred Alger Management LLC
ArrowMark Colorado Holdings LLC
Jump Financial LLC
Braidwell LP
Susquehanna International Group LLP