RICH STUART (Chief Medical Officer) purchased 1879.7% of their position (5K shares) of TENAX THERAPEUTICS, INC. on the open market

Open‑market purchase worth $50.8K — a major conviction buy. The strongest form of insider conviction signal.

P · 2 purchases

RICH STUART

Filed: 12/10/2025ACC: 0001841785-25-000004

InsiderRICH STUARTCIK 1841785

→

IssuerTENAX THERAPEUTICS, INC.CIK 34956

Officer· Chief Medical Officer

Since Jan 2021

+5K

Net shares

Net buyer

$50.8K

Total acquired

Open market trades

2B · 0S

Total transactions

5K acquired

Non-Derivative Transactions2

Common Stock

Indirect

P · Purchase

+2.50K

Price / share

$10.10

Trade value

$25.25K

% of position

100.0%

12/8/2025

2.50K→5K

Common Stock

Direct

P · Purchase

+2.50K

Price / share

$10.22

Trade value

$25.54K

% of position

90.4%

12/9/2025

2.77K→5.27K

Total

Net shares

+5K

Net value

$50.79K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	12/8/2025	P · Purchase	+2.50K	$10.10	$25.25K	100.0%	2.50K	5K
Common Stock Direct	12/9/2025	P · Purchase	+2.50K	$10.22	$25.54K	90.4%	2.77K	5.27K
Total			+5K		$50.79K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect

Shares owned1.19K

Common Stock

Indirect

Shares owned1.19K

Total

2.39K indirect2.39K

Security Title	Shares Owned	Ownership Type
Common Stock	1.19K	Indirect
Common Stock	1.19K	Indirect
Total	2.39K	2.39K indirect

Derivative Holdings (Post-Transaction)5

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

63.00

Shares owned

63.00

Exercise price

992

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

157.00

Shares owned

157.00

Exercise price

2848

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

625K

Shares owned

625K

Exercise price

5.89

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

119.00

Shares owned

119.00

Exercise price

3.549

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

500K

Shares owned

500K

Exercise price

5.94

Expiration

—

Exercise window

—

Total

Underlying

1.13M

Owned

1.13M

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Stock	992	—	—	63.00	63.00
Stock Option (right to buy) Direct	Common Stock	2848	—	—	157.00	157.00
Stock Option (right to buy) Direct	Common Stock	5.89	—	—	625K	625K
Stock Option (right to buy) Direct	Common Stock	3.549	—	—	119.00	119.00
Stock Option (right to buy) Direct	Common Stock	5.94	—	—	500K	500K
Total					1.13M	1.13M