TransMedics Group Ownership

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

Recent Insider Transactions

BST:8T8 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
03 Mar 25	Sell€175,265	Tamer Khayal	Individual	2,407	€72.81
08 Aug 24	Sell€2,920,779	James Tobin	Individual	20,000	€146.62
05 Jun 24	Sell€87,477	Anil Ranganath	Individual	703	€124.43
05 Jun 24	Sell€151,601	Edward Basile	Individual	1,193	€127.08
29 May 24	Sell€261,236	Stephen Gordon	Individual	2,000	€130.62
29 May 24	Sell€156,247	David Weill	Individual	1,193	€130.97
10 May 24	Sell€301,345	David Weill	Individual	2,500	€120.54
06 May 24	Sell€388,475	Nicholas Corcoran	Individual	3,222	€120.57
02 May 24	Sell€1,412,208	Waleed Hassanein	Individual	12,444	€114.66
01 May 24	Sell€5,334,946	Tamer Khayal	Individual	52,209	€115.78

Insider Trading Volume

Insider Buying: 8T8 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 8T8?
Owner Type	Number of Shares	Ownership Percentage
State or Government	13,313	0.0345%
Individual Insiders	1,192,498	3.09%
Institutions	37,412,804	96.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 81.44% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.5%	BlackRock, Inc.	5,228,187	€318.5m	-1.5%	0.01%
11.9%	FMR LLC	4,007,396	€244.2m	88%	0.02%
10.8%	The Vanguard Group, Inc.	3,635,919	€221.5m	1.14%	no data
4.44%	UBS Asset Management AG	1,493,328	€91.0m	270%	0.01%
4.04%	State Street Global Advisors, Inc.	1,361,259	€82.9m	6.92%	no data
2.97%	Fidelity International Ltd	1,000,358	€60.9m	28%	0.03%
2.95%	Macquarie Investment Management Business Trust	992,500	€60.5m	10.8%	0.08%
2.74%	Braidwell LP	922,100	€56.2m	0%	3.03%
2.46%	Mackenzie Financial Corporation	828,147	€50.5m	73%	0.06%
2.3%	Geode Capital Management, LLC	772,744	€47.1m	1.17%	no data
2.26%	Driehaus Capital Management LLC	760,841	€46.4m	-47.2%	0.33%
2.01%	Eventide Asset Management, LLC	677,702	€41.3m	-1.87%	0.86%
1.83%	Invesco Ltd.	617,486	€37.6m	-40.7%	0.01%
1.77%	Liontrust Asset Management PLC	596,401	€36.3m	1,820%	0.18%
1.76%	Emerald Advisers, LLC	590,986	€36.0m	114%	1.05%
1.76%	Waleed Hassanein	590,783	€36.0m	25.9%	no data
1.31%	Wasatch Advisors LP	441,354	€26.9m	83.3%	0.1%
1.18%	Morgan Stanley, Investment Banking and Brokerage Investments	398,081	€24.3m	-13.5%	no data
1.17%	AHL Partners LLP	395,442	€24.1m	14.6%	0.27%
1.1%	Goldman Sachs Group, Investment Banking and Securities Investments	370,852	€22.6m	5.25%	0.01%
1.09%	Norges Bank Investment Management	366,661	€22.3m	35.9%	no data
1.07%	Vaughan Nelson Investment Management, L.P.	361,615	€22.0m	9.91%	0.24%
1.05%	Northern Trust Global Investments	354,622	€21.6m	12.8%	no data
1.03%	BNY Asset Management	346,523	€21.1m	-27.9%	no data
0.9%	Edwin Kania	304,086	€18.5m	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/03/11 22:17
End of Day Share Price	2025/03/04 00:00
Earnings	2024/12/31
Annual Earnings	2024/12/31

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.

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 Github.

Analyst Sources

TransMedics Group, Inc. is covered by 12 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.