TransMedics Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:TMDX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
08 Aug 24	SellUS$3,186,536	James Tobin	Individual	20,000	US$159.96
05 Jun 24	SellUS$95,053	Anil Ranganath	Individual	703	US$135.21
05 Jun 24	SellUS$164,729	Edward Basile	Individual	1,193	US$138.08
29 May 24	SellUS$282,540	Stephen Gordon	Individual	2,000	US$141.27
29 May 24	SellUS$168,988	David Weill	Individual	1,193	US$141.65
10 May 24	SellUS$324,550	David Weill	Individual	2,500	US$129.82
06 May 24	SellUS$418,570	Nicholas Corcoran	Individual	3,222	US$129.91
02 May 24	SellUS$1,510,868	Waleed Hassanein	Individual	12,444	US$122.67
01 May 24	SellUS$5,697,903	Tamer Khayal	Individual	52,209	US$123.66
08 Mar 24	SellUS$115,409	Tamer Khayal	Individual	1,317	US$87.63
08 Mar 24	SellUS$166,760	Stephen Gordon	Individual	1,903	US$87.63

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TMDX?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,016,351	2.51%
Institutions	39,520,416	97.5%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.8%.

Top Shareholders

Top 25 shareholders own 81.95% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.8%	BlackRock, Inc.	5,307,759	US$327.5m	101%	0.01%
13%	FMR LLC	4,363,161	US$269.2m	105%	0.02%
10.7%	The Vanguard Group, Inc.	3,595,059	US$221.8m	42.3%	no data
4.3%	Driehaus Capital Management LLC	1,442,207	US$89.0m	-2.95%	0.53%
3.79%	State Street Global Advisors, Inc.	1,273,131	US$78.6m	62.6%	no data
3.1%	Invesco Ltd.	1,041,517	US$64.3m	-19.8%	0.02%
2.9%	ArrowMark Colorado Holdings, LLC	973,403	US$60.1m	-14.5%	0.76%
2.67%	Macquarie Investment Management Business Trust	896,111	US$55.3m	-6.29%	0.06%
2.41%	Lord, Abbett & Co. LLC	809,135	US$49.9m	51.6%	0.15%
2.33%	Fidelity International Ltd	781,397	US$48.2m	107%	0.02%
2.28%	Geode Capital Management, LLC	763,790	US$47.1m	1.34%	no data
2.06%	Eventide Asset Management, LLC	690,632	US$42.6m	-39.7%	0.74%
1.79%	Allspring Global Investments, LLC	599,116	US$37.0m	5.29%	0.05%
1.43%	BNY Asset Management	480,379	US$29.6m	15.4%	0.01%
1.43%	Mackenzie Financial Corporation	478,744	US$29.5m	-21.1%	0.03%
1.4%	Waleed Hassanein	469,359	US$29.0m	0%	no data
1.37%	Morgan Stanley, Investment Banking and Brokerage Investments	460,248	US$28.4m	-1.64%	no data
1.36%	Fuller & Thaler Asset Management, Inc.	456,522	US$28.2m	15.2%	0.11%
1.36%	1832 Asset Management L.P.	455,445	US$28.1m	0%	0.04%
1.2%	UBS Asset Management AG	403,864	US$24.9m	3.33%	no data
1.17%	Sandhill Capital Partners LLC	392,561	US$24.2m	-9.75%	1.76%
1.05%	Goldman Sachs Group, Investment Banking and Securities Investments	352,362	US$21.7m	65.9%	0.01%
1.03%	AHL Partners LLP	345,170	US$21.3m	0%	0.19%
1.03%	Hood River Capital Management LLC	344,551	US$21.3m	175%	0.32%
0.98%	Vaughan Nelson Investment Management, L.P.	329,010	US$20.3m	24.3%	0.18%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/22 02:09
End of Day Share Price	2024/12/20 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

TransMedics Group, Inc. is covered by 13 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
David Rescott	Baird
William Plovanic	Canaccord Genuity
Kristen Stewart	CL King & Associates, Inc.