Sec Form 4 Filing - Rich Stuart @ TENAX THERAPEUTICS, INC. - 2022-06-09

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Rich Stuart 2. Issuer Name and Ticker or Trading Symbol TENAX THERAPEUTICS, INC. [ TENX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Medical Officer (Last) (First) (Middle) ONE COPLEY PARKWAY, SUITE 490 3. Date of Earliest Transaction (MM/DD/YY) 06/09/2022 (Street) MORRISVILLE, NC27560 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 2,333,932 D Common Stock 1,909,585 I By Andrea Rich 2021 Irrevocable Trust( 1 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Stock Option (right to buy) $ 0.62 06/09/2022 A 100,000 ( 2 ) 06/09/2032 Common Stock 100,000 $ 0 100,000 D Stock Option (right to buy) $ 1.78 ( 3 ) 01/15/2031 Common Stock 250,000 250,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rich Stuart ONE COPLEY PARKWAY, SUITE 490 MORRISVILLE, NC27560 X X Chief Medical Officer Signatures /s/ S. Halle Vakani, as Attorney-in-Fact 06/10/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person is co-trustee of the Trust and disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. ( 2 )The options vest and become exercisable as follows: options with respect to 25,000 underlying shares of Common Stock vest and become exercisable on each of June 9, 2023, June 9, 2024, June 9, 2025, and June 9, 2026, subject to the Reporting Person's continued employment. ( 3 )The option becomes exercisable in four equal installments, with 25% vesting after the start of a Phase 3 clinical trial, 25% vesting after the database lock with respect to the trial, 25% vesting after the opening of an Investigational New Drug Application with the U.S. Food and Drug Administration ("FDA"), and 25% vesting after the approval from the FDA, subject to the Reporting Person's continued employment.

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).

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