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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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(Amendment No. 1)*
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Tenax Therapeutics, Inc. (Name of Issuer) |
Common Stock, $0.0001 par value per share (Title of Class of Securities) |
(CUSIP Number) |
09/03/2026 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
 Rule 13d-1(b)
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 Rule 13d-1(c)
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| Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
ING Groep N.V. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
NETHERLANDS
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
0.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
0.00 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
HC |
Comment for Type of Reporting Person: * Based on the 37,423,917 shares of common stock of the issuer (the "Common Stock") as of July 28, 2026, as reported in the issuer's Quarterly Report on Form 10-Q for the period ended in June 30, 2026, filed with the Securities and Exchange Commission on July 31, 2026.
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
ING Capital Markets LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
0.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
0.00 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: * Based on the 37,423,917 shares of common stock of the issuer (the "Common Stock") as of July 28, 2026, as reported in the issuer's Quarterly Report on Form 10-Q for the period ended in June 30, 2026, filed with the Securities and Exchange Commission on July 31, 2026.
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
Tenax Therapeutics, Inc. | |
| (b) | Address of issuer's principal executive offices:
101 Glen Lennox Drive, Suite 300, Chapel Hill, North Carolina 27517, USA | |
| Item 2. | ||
| (a) | Name of person filing:
ING Groep, N.V.
ING Capital Markets LLC | |
| (b) | Address or principal business office or, if none, residence:
ING Groep N.V.
PO Box 1800
Amsterdam, P7
1000 BV Amsterdam
ING Capital Markets LLC
1133 Avenue of the Americas
New York, NY 10036
USA | |
| (c) | Citizenship:
ING Groep N.V. - The Netherlands
ING Capital Markets LLC - Delaware | |
| (d) | Title of class of securities:
Common Stock, $0.0001 par value per share | |
| (e) | CUSIP No.:
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| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
As of September 11, 2026, none of the Reporting Persons beneficially owned any Common Stock. | |
| (b) | Percent of class:
As of September 11, 2026, none of the Reporting Persons beneficially owned any percentage of the Common Stock issued and outstanding as of July 28, 2026, as reported in the issuer's Quarterly Report on Form 10-Q for the period ended in June 30, 2026, filed with the Securities and Exchange Commission on July 31, 2026. %
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| (c) | Number of shares as to which the person has:
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| (i) Sole power to vote or to direct the vote:
0 | ||
| (ii) Shared power to vote or to direct the vote:
0 | ||
| (iii) Sole power to dispose or to direct the disposition of:
0 | ||
| (iv) Shared power to dispose or to direct the disposition of:
0 | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
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Ownership of 5 percent or less of a class
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Exhibit A to Schedule 13G
Joint Filing Agreement
Pursuant to Rule 13d-1(k)
The undersigned persons (the “Reporting Persons”) hereby agree that a joint statement on this Schedule 13G be filed on their behalf by ING Groep N.V.
Each of the Reporting Persons is responsible for the completeness and accuracy of the information concerning each of them contained therein, but none of the Reporting Persons is responsible for the completeness or accuracy of the information concerning any other Reporting Person.
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Dated: September 11, 2026
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ING GROEP N.V.
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By:
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/s/ Bianca Jennifer Dobrescu
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Name:
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Bianca Jennifer Dobrescu
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Title:
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Authorized Representative
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By:
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/s/ Ioana Adriana Barbu
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Name:
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Ioana Adriana Barbu
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Title:
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Authorized Representative
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ING CAPITAL MARKETS LLC
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By:
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/s/ Anthony Masciangelo
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Name:
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Anthony Masciangelo
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Title:
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Director
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By:
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/s/ Tim Casady
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Name:
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Tim Casady
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Title:
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Authorized Person
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