# EDGAR Filing Document

**Accession Number:** 0001966494
**File Stem:** 0001214659-25-012545
**Filing Date:** 2025-8
**Character Count:** 24598
**Document Hash:** 020758e555edf2e9a70d9e1c34b1e791
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001214659-25-012545.hdr.sgml**: 20250821

**ACCESSION NUMBER**: 0001214659-25-012545

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

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250821

**DATE AS OF CHANGE**: 20250821

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CARGO Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001966494
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 844080422
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94225
- **FILM NUMBER:** 251241002

**BUSINESS ADDRESS:**
- **STREET 1:** 835 INDUSTRIAL ROAD, SUITE 400
- **CITY:** SAN CARLOS
- **STATE:** CA
- **ZIP:** 94070
- **BUSINESS PHONE:** 650-499-8950

**MAIL ADDRESS:**
- **STREET 1:** 835 INDUSTRIAL ROAD, SUITE 400
- **CITY:** SAN CARLOS
- **STATE:** CA
- **ZIP:** 94070
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TANG CAPITAL MANAGEMENT LLC
- **CENTRAL INDEX KEY:** 0001232621

**ORGANIZATION NAME:**
- **EIN:** 461592449
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 4747 EXECUTIVE DRIVE
- **STREET 2:** SUITE 210
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 858-200-3830

**MAIL ADDRESS:**
- **STREET 1:** 4747 EXECUTIVE DRIVE
- **STREET 2:** SUITE 210
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

## Ex-11

**EXHIBIT 11**

**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Common Shares, par value $0.001 per share, of Cargo Therapeutics, Inc., and that this Agreement be included as an Exhibit to such joint filing. The Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 21<sup>st</sup> day of August, 2025.

TANG CAPITAL MANAGEMENT, LLC

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Manager |

---

---

| |
|:---|
| /s/ Kevin Tang |
| Kevin Tang |

---

TANG CAPITAL PARTNERS, LP

By: Tang Capital Management, LLC, its General Partner

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Manager |

---

TANG CAPITAL PARTNERS INTERNATIONAL, LP

By: Tang Capital Management, LLC, its General Partner

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Manager |

---

TANG CAPITAL PARTNERS III, INC

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Chief Executive Officer |

---

TANG CAPITAL PARTNERS IV, INC

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Chief Executive Officer |

---

CONCENTRA BIOSCIENCES, LLC

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Chief Executive Officer |

---

CONCENTRA MERGER SUB VII, INC

---

| | |
|:---|:---|
| By: | /s/ Kevin Tang |
|  | Kevin Tang, Chief Executive Officer |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**Cargo Therapeutics, Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.001 per share**

*(Title of Class of Securities)*

**14179K101**

*(CUSIP Number)*

**Kevin Tang**<br>4747 Executive Drive<br>Suite 210<br>San Diego CA 92121<br>858-200-3830

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**08/19/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TANG CAPITAL MANAGEMENT, LLC** | Name of reporting person<br>**TANG CAPITAL MANAGEMENT, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10000.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**100%** | Percent of class represented by amount in Row (11)<br>**100%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**KEVIN TANG** | Name of reporting person<br>**KEVIN TANG** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10000.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**100%** | Percent of class represented by amount in Row (11)<br>**100%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TANG CAPITAL PARTNERS, LP** | Name of reporting person<br>**TANG CAPITAL PARTNERS, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10000.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**100%** | Percent of class represented by amount in Row (11)<br>**100%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TANG CAPITAL PARTNERS INTERNATIONAL, LP** | Name of reporting person<br>**TANG CAPITAL PARTNERS INTERNATIONAL, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TANG CAPITAL PARTNERS III, INC** | Name of reporting person<br>**TANG CAPITAL PARTNERS III, INC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**NEVADA** | Citizenship or place of organization<br>**NEVADA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TANG CAPITAL PARTNERS IV, INC** | Name of reporting person<br>**TANG CAPITAL PARTNERS IV, INC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**NEVADA** | Citizenship or place of organization<br>**NEVADA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**CONCENTRA BIOSCIENCES, LLC** | Name of reporting person<br>**CONCENTRA BIOSCIENCES, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**10000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**10000.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | Aggregate amount beneficially owned by each reporting person<br>**10000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**100%** | Percent of class represented by amount in Row (11)<br>**100%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **14179K101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**CONCENTRA MERGER SUB VII, INC.** | Name of reporting person<br>**CONCENTRA MERGER SUB VII, INC.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.001 per share

**(b) Name of Issuer:**
Cargo Therapeutics, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
835 Industrial Road, Suite 400, San Carlos, CA, 94070

This Schedule 13D/A (this "Statement") amends the Schedule 13D (the "Original Schedule 13D") filed on February 21, 2025, as amended on July 9, 2025. Items 4, 5 and 7 of the Statement are hereby amended and supplemented to the extent hereinafter expressly set forth. Except as amended hereby, the original disclosure set forth in the Statement shall remain unchanged. All capitalized terms used and not expressly defined herein have the respective meanings ascribed to such terms in the Original Schedule 13D.

**Item 4. Purpose of Transaction**

Item 4 of the Schedule 13D is amended by adding the following:

Closing of the Merger:

As previously disclosed, each of Concentra, the Issuer and Merger Sub entered into the Merger Agreement, which provides for an Offer by Merger Sub for all of the Issuer's Common Stock. The Offer commenced on July 21, 2025. On August 19, 2025, the Offer expired and Merger Sub accepted for purchase a total of 34,569,840 shares tendered and not withdrawn, representing approximately 71.48% of the total shares of the Issuer issued and outstanding. Following the expiration of the Offer, Merger Sub merged with and into the Issuer on August 19, 2025, pursuant to Section 251(h) of the Delaware General Corporation Law, and, among other things, each share of common stock of Merger Sub issued and outstanding immediately before the Effective Time automatically converted into the right to receive the Offer Price, with the Issuer surviving as a wholly owned subsidiary of Concentra.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The information previously provided in response to Item 5 is hereby amended and restated by replacing the text thereof in its entirety with the following:

The information set forth in the cover pages of this Schedule 13D is hereby incorporated by reference into this Item 5. As of the date hereof the Reporting Persons beneficially own an aggregate of 10,000 shares of the Issuer's Common Stock, representing 100% of the outstanding shares.

**(b)**
See item 5(a) above.

**(c)**
Except as described in this Amendment No. 2, there have been no transactions in the Issuer's Common Stock during the past 60 days by the Reporting Persons.

### 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.

**Reporting Person:** TANG CAPITAL MANAGEMENT, LLC

**Signature:** /s/ Kevin Tang

**Name/Title:** Manager

**Date:** 08/21/2025

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.

**Reporting Person:** KEVIN TANG

**Signature:** /s/ Kevin Tang

**Name/Title:** Self

**Date:** 08/21/2025

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.

**Reporting Person:** TANG CAPITAL PARTNERS, LP

**Signature:** /s/ Kevin Tang

**Name/Title:** Manager, Tang Capital Management, LLC, General Partner

**Date:** 08/21/2025

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.

**Reporting Person:** TANG CAPITAL PARTNERS INTERNATIONAL, LP

**Signature:** /s/ Kevin Tang

**Name/Title:** Manager, Tang Capital Management, LLC, General Partner

**Date:** 08/21/2025

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.

**Reporting Person:** TANG CAPITAL PARTNERS III, INC

**Signature:** /s/ Kevin Tang

**Name/Title:** Chief Executive Officer

**Date:** 08/21/2025

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.

**Reporting Person:** TANG CAPITAL PARTNERS IV, INC

**Signature:** /s/ Kevin Tang

**Name/Title:** Chief Executive Officer

**Date:** 08/21/2025

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.

**Reporting Person:** CONCENTRA BIOSCIENCES, LLC

**Signature:** /s/ Kevin Tang

**Name/Title:** Chief Executive Officer

**Date:** 08/21/2025

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.

**Reporting Person:** CONCENTRA MERGER SUB VII, INC.

**Signature:** /s/ Kevin Tang

**Name/Title:** Chief Executive Officer

**Date:** 08/21/2025