Tenax Therapeutics Ownership

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

Recent Insider Transactions

NasdaqCM:TENX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
09 Dec 25	BuyUS$50,793	Stuart Rich	Individual	5,000	US$10.22
04 Dec 25	BuyUS$45,622	Stuart Rich	Individual	5,000	US$9.20
20 Nov 25	BuyUS$20,000	Christopher Giordano	Individual	2,605	US$7.75
18 Nov 25	BuyUS$14,280	June Almenoff	Individual	1,900	US$7.52
17 Nov 25	BuyUS$58,164	Thomas McGauley	Individual	8,000	US$7.35
17 Nov 25	BuyUS$665	June Almenoff	Individual	93	US$7.15

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 TENX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	1,194	0.00208%
Individual Insiders	49,599	0.0866%
General Public	24,835,719	43.4%
Institutions	32,395,448	56.6%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 43.2%.

Top Shareholders

Top 25 shareholders own 42.42% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
6.88%	FMR LLC	3,942,373	US$6.9m	1,120%	no data
4.36%	Vivo Capital, LLC	2,500,000	US$4.4m	1,100%	0.37%
3.77%	Millennium Management LLC	2,156,891	US$3.8m	146%	no data
3.02%	BlackRock, Inc.	1,727,988	US$3.0m	10,100%	no data
2.97%	Perceptive Advisors LLC	1,700,000	US$3.0m	17.4%	0.05%
2.28%	Vanguard Capital Management, LLC	1,304,163	US$2.3m	339%	no data
1.37%	Ikarian Capital, LLC	787,600	US$1.4m	-22.6%	0.24%
1.31%	Candriam, Société En Commandite Par Actions	749,588	US$1.3m	0%	no data
1.27%	Citadel Advisors LLC	728,561	US$1.3m	378%	no data
1.22%	RTW Investments, LP	696,570	US$1.2m	88.1%	0.01%
1.15%	Stonepine Capital Management LLC	660,000	US$1.2m	-32.3%	0.51%
1.12%	Geode Capital Management, LLC	639,537	US$1.1m	825%	no data
1.06%	T. Rowe Price Group, Inc.	607,660	US$1.1m	-79.4%	no data
1.02%	Marshall Wace LLP	585,578	US$1.0m	66.1%	no data
1.02%	Braidwell LP	584,412	US$1.0m	0%	0.04%
0.97%	Point72 Asset Management, L.P.	556,761	US$974.3k	4.27%	no data
0.96%	Velan Capital Partners LP	549,985	US$962.5k	-5.72%	0.71%
0.94%	Adage Capital Management, L.P.	540,126	US$945.2k	0%	no data
0.93%	Woodline Partners LP	531,254	US$929.7k	64%	no data
0.89%	State Street Investment Management	510,814	US$893.9k	1,660%	no data
0.87%	Sofinnova Investments, Inc.	500,039	US$875.1k	379%	0.05%
0.79%	Janus Henderson Group Ltd.	451,226	US$789.6k	-75.2%	no data
0.75%	Morgan Stanley	432,220	US$756.4k	-27.6%	no data
0.75%	Qube Research & Technologies Ltd	429,893	US$752.3k	1,420%	no data
0.75%	Artal Group S.A.	427,141	US$747.5k	0%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/23 04:59
End of Day Share Price	2026/08/21 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

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

Tenax Therapeutics, Inc. is covered by 10 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
Angela Qian	Canaccord Genuity
Olivia Brayer	Cantor Fitzgerald & Co.
Gautam Chukka	Chardan Capital Markets, LLC