# EDGAR Filing Document

**Accession Number:** 0001943462
**File Stem:** 0001943462-26-000004
**Filing Date:** 2026-2
**Character Count:** 13608
**Document Hash:** e0c6957e8e59586b7172e7fdcfc82321
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001943462-26-000004.hdr.sgml**: 20260217

**ACCESSION NUMBER**: 0001943462-26-000004

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260217

**DATE AS OF CHANGE**: 20260217

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TENAX THERAPEUTICS, INC.
- **CENTRAL INDEX KEY:** 0000034956
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 262593535
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-58467
- **FILM NUMBER:** 26637411

**BUSINESS ADDRESS:**
- **STREET 1:** 101 GLEN LENNOX DRIVE
- **STREET 2:** SUITE 300
- **CITY:** CHAPEL HILL
- **STATE:** NC
- **ZIP:** 27517
- **BUSINESS PHONE:** 919-855-2100

**MAIL ADDRESS:**
- **STREET 1:** 101 GLEN LENNOX DRIVE
- **STREET 2:** SUITE 300
- **CITY:** CHAPEL HILL
- **STATE:** NC
- **ZIP:** 27517

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OXYGEN BIOTHERAPEUTICS, INC.
- **DATE OF NAME CHANGE:** 20080703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SYNTHETIC BLOOD INTERNATIONAL INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SINEQUANON CORP
- **DATE OF NAME CHANGE:** 19901219
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dellora Investments LP
- **CENTRAL INDEX KEY:** 0001943462

**ORGANIZATION NAME:**
- **EIN:** 850748545
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 283 GREENWICH AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830
- **BUSINESS PHONE:** 203-632-6341

**MAIL ADDRESS:**
- **STREET 1:** 283 GREENWICH AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830

### Attached PDF Documents

**Attachment 1:** `TENX_ex1.pdf`

_No text found in this document._

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 3)**

**Issuer:** TENAX THERAPEUTICS, INC.

**Title of Class of Securities:** Common Stock, $0.0001 par value per share

**CUSIP Number:** 88032L605

**Date of Event Which Requires Filing of this Statement:** 12/31/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [x] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Dellora Investments Master Fund LP | Names of Reporting Persons<br>Dellora Investments Master Fund LP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>E9 | Citizenship or Place of Organization<br>E9 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>355257.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>355257.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>355257.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>355257.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>5.7% | Percent of Class Represented by Amount in Row (9)<br>5.7% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

---

| 1. | Names of Reporting Persons<br>Dellora Investments LP | Names of Reporting Persons<br>Dellora Investments LP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>401071.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>401071.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>401071.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>401071.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>IA, HC | Type of Reporting Person (See Instructions)<br>IA, HC |

---

| 1. | Names of Reporting Persons<br>Kevin Pyun | Names of Reporting Persons<br>Kevin Pyun |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>401071.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>401071.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>401071.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>401071.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>6.4% | Percent of Class Represented by Amount in Row (9)<br>6.4% |
| 12. | Type of Reporting Person (See Instructions)<br>IN, HC | Type of Reporting Person (See Instructions)<br>IN, HC |

---

**Item 1(a). Name of Issuer:**
TENAX THERAPEUTICS, INC.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
101 GLEN LENNOX DRIVE, CHAPEL HILL, NORTH CAROLINA, 27517.

**Item 2(a). Name of Person Filing:**
Dellora Investments Master Fund LP

Dellora Investments LP

Kevin Pyun

**Item 2(b). Address of Principal Business Office:**
Dellora Investments Master Fund LPc/o Dellora Investments LP
283 Greenwich Avenue, 3rd Floor
Greenwich, CT 06830

Dellora Investments LP
283 Greenwich Avenue, 3rd Floor
Greenwich, CT 06830

Kevin Pyunc/o Dellora Investments LP
283 Greenwich Avenue, 3rd Floor
Greenwich, CT 06830

**Item 2(c). Citizenship:**
Dellora Investments Master Fund LP - Cayman Islands

Dellora Investments LP - Delaware

Kevin Pyun - United States

**Item 2(d). Title of Class of Securities:**
Common Stock, $0.0001 par value per share

**Item 2(e). CUSIP Number:**
88032L605

**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).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [x] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [x] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(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);

(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).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Dellora Investments LP is an investment adviser that is registered under the Investment Advisers Act of 1940. Dellora Investments LP, which serves as investment adviser to private funds, including but not limited to Dellora Investments Master Fund, LP (collectively, the "Funds"), may be deemed to be the beneficial owner of all shares of Common Stock held by the Funds. Mr. Pyun, as Principal of Dellora Investments LP, with the power to exercise investment and voting discretion, may be deemed to be the beneficial owner of all shares of Common Stock held by the Funds. Pursuant to Rule 13d-4 under the Securities Exchange Act of 1934, as amended, Dellora Investments LP and Mr. Pyun expressly disclaim beneficial ownership over any of the securities reported in this statement, and the filing of this statement shall not be construed as an admission that Dellora Investments LP or Mr. Pyun are the beneficial owner of any of the securities reported herein.
Dellora Investments Master Fund LP - 355,257
Dellora Investments LP - 401,071
Kevin Pyun - 401,071

**(b) Percent of class:**

Ownership percentage is based on 6,243,575 shares of common stock outstanding as of November 11, 2025, as represented by the Issuer in the Form 10-Q filed with the Securities and Exchange Commission on November 12, 2025.
Dellora Investments Master Fund LP - 5.7%
Dellora Investments LP - 6.4%
Kevin Pyun - 6.4%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Dellora Investments Master Fund LP - 0
Dellora Investments LP - 0
Kevin Pyun - 0

**(ii) Shared power to vote or to direct the vote:**

Dellora Investments Master Fund LP - 355,257
Dellora Investments LP - 401,071
Kevin Pyun - 401,071

**(iii) Sole power to dispose or to direct the disposition of:**

Dellora Investments Master Fund LP - 0
Dellora Investments LP - 0
Kevin Pyun - 0

**(iv) Shared power to dispose or to direct the disposition of:**

Dellora Investments Master Fund LP - 355,257
Dellora Investments LP - 401,071
Kevin Pyun - 401,071

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

The Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the shares of Common Stock covered by this Statement.

**Item 7. Identification and Classification of the Subsidiary**

See Note above.

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.

**Dellora Investments Master Fund LP**

**Date:** 02/17/2026

**By:** /s/ Kevin Pyun

**Name & Title:** Principal, Dellora Investments Fund GP LLC, its General Partner

**Dellora Investments LP**

**Date:** 02/17/2026

**By:** /s/ Kevin Pyun

**Name & Title:** Principal, Dellora Investments GP LLC, its General Partner

**Kevin Pyun**

**Date:** 02/17/2026

**By:** /s/ Kevin Pyun

**Name & Title:** Kevin Pyun