Tenax Therapeutics Interim CFO buys 8,000 TENX shares

Tenax Therapeutics (TENX) reported an insider stock purchase by its Interim CFO.

Rhea-AI Filing Summary

Tenax Therapeutics (TENX) reported an insider stock purchase by its Interim CFO. On 11/17/2025, the officer bought 2,000 shares of common stock directly and now holds 2,000 shares in their own name. On the same date, they reported additional purchases of 1,000 shares held indirectly through a child and 5,000 shares held indirectly through a spouse.

The direct shares were acquired at a weighted average price of $7.337, with trades executed between $7.14 and $7.43. The spouse’s shares were bought at a weighted average price of $7.228, with trades between $7.17 and $7.30, and the child’s shares at $7.35. All transactions were coded as open-market purchases.

Insider Trade Summary

Net Buyer: 8,000 shares

Net Buy 3 txns

Insider MCGAULEY THOMAS

Role Interim CFO

Bought 8,000 shs ($58K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	2,000	$7.337	$15K
Purchase	Common Stock	1,000	$7.35	$7K
Purchase	Common Stock	5,000	$7.228	$36K

Holdings After Transaction: Common Stock — 2,000 shares (Direct); Common Stock — 1,000 shares (Indirect, By Child); Common Stock — 5,000 shares (Indirect, By Spouse)

Footnotes (2)

1. F1. This transaction was executed in multiple trades at prices ranging from $7.14 to $7.43. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
2. F2. This transaction was executed in multiple trades at prices ranging from $7.17 to $7.30. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

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Accepted by SEC EDGAR 11/19/2025 - 07:01 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MCGAULEY THOMAS

(Last) (First) (Middle)

101 GLEN LENNOX DRIVE SUITE 300

(Street)

CHAPEL HILL NC 27517

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TENAX THERAPEUTICS, INC. [ TENX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim CFO

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/17/2025		P		2,000	A	$7.337(1)	2,000	D
Common Stock	11/17/2025		P		1,000	A	$7.35	1,000	I	By Child
Common Stock	11/17/2025		P		5,000	A	$7.228(2)	5,000	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $7.14 to $7.43. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

2. This transaction was executed in multiple trades at prices ranging from $7.17 to $7.30. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

	/s/ S. Halle Vakani, as Attorney-in-Fact	11/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.