# EDGAR Filing Document

**Accession Number:** 0001663831
**File Stem:** 0000929638-26-000184
**Filing Date:** 2026-1
**Character Count:** 49023
**Document Hash:** f22c88e1726121493286f472397fe97c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000929638-26-000184.hdr.sgml**: 20260120

**ACCESSION NUMBER**: 0000929638-26-000184

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

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260120

**DATE AS OF CHANGE**: 20260120

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CASI Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001962738
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94039
- **FILM NUMBER:** 26541359

**BUSINESS ADDRESS:**
- **STREET 1:** 1701-1702, CHINA CENTRAL OFFICE TOWER 1
- **STREET 2:** NO. 81 JIANGUO ROAD, CHAOYANG DISTRICT
- **CITY:** BEIJING
- **STATE:** F4
- **ZIP:** 100025
- **BUSINESS PHONE:** 86 10 6561 8789

**MAIL ADDRESS:**
- **STREET 1:** 1701-1702, CHINA CENTRAL OFFICE TOWER 1
- **STREET 2:** NO. 81 JIANGUO ROAD, CHAOYANG DISTRICT
- **CITY:** BEIJING
- **STATE:** F4
- **ZIP:** 100025

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CASI Pharmaceuticals Holdings, Inc.
- **DATE OF NAME CHANGE:** 20230118
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SPARKLE BYTE LTD
- **CENTRAL INDEX KEY:** 0001663831

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D8
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** P.O. BOX 957
- **STREET 2:** OFFSHORE INCORPORATIONS CENTRE ROAD TOWN
- **CITY:** TORTOLA
- **PROVINCE COUNTRY:** D8
- **BUSINESS PHONE:** 852 2127 4863

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** P.O. BOX 957
- **STREET 2:** OFFSHORE INCORPORATIONS CENTRE ROAD TOWN
- **CITY:** TORTOLA
- **PROVINCE COUNTRY:** D8

## Exhibit 99.5

#### Exhibit 99.5

Joint Filing Agreement

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree (i) to the joint filing, on behalf of each of them, of a statement on Schedule 13D (including amendments thereto) with respect to ordinary shares, par value US$0.0001 per share, of CASI Pharmaceuticals, Inc.; and (ii) that this joint filing agreement may be included as an Exhibit to such joint filing. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments to such joint filing and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others.

---

| | |
|:---|:---|
| **Sparkle Byte Limited** | **Sparkle Byte Limited** |
| **Signature:** | /s/ Dongliang Lin |
| **Name/Title:** | Dongliang Lin / Authorized Signatory |
| **Snow Moon Limited** | **Snow Moon Limited** |
| **Signature:** | /s/ Dongliang Lin |
| **Name/Title:** | Dongliang Lin / Authorized Signatory |
| **Tianjin Jingran Management Center (Limited Partnership)** | **Tianjin Jingran Management Center (Limited Partnership)** |
| **Signature:** | /s/ Yikun Liu |
| **Name/Title:** | Yikun Liu / Representative |
| **Beijing Hexie Kangjian Investment Center (Limited Partnership)** | **Beijing Hexie Kangjian Investment Center (Limited Partnership)** |
| **Signature:** | /s/ Yikun Liu |
| **Name/Title:** | Yikun Liu / Authorized Signatory |
| **Beijing Hexie Tiancheng Investment Management Center (Limited Partnership)** | **Beijing Hexie Tiancheng Investment Management Center (Limited Partnership)** |
| **Signature:** | /s/ Dongliang Lin |
| **Name/Title:** | Dongliang Lin / Authorized Signatory |
| **He Xie Ai Qi Investment Management (Beijing) Co., Ltd.** | **He Xie Ai Qi Investment Management (Beijing) Co., Ltd.** |
| **Signature:** | /s/ Kuiguang Niu |
| **Name/Title:** | Kuiguang Niu / Authorized Signatory |
| **Xizang Hexie Enterprise Management Co., Ltd.** | **Xizang Hexie Enterprise Management Co., Ltd.** |
| **Signature:** | /s/ Dongliang Lin |
| **Name/Title:** | Dongliang Lin / Authorized Signatory |
| **Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.** | **Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.** |
| **Signature:** | /s/ Jianguang Li |
| **Name/Title:** | Jianguang Li / Authorized Signatory |
| **Jianguang Li** | **Jianguang Li** |
| **Signature:** | /s/ Jianguang Li |
| **Name/Title:** | Jianguang Li |
| **Dongliang Lin** | **Dongliang Lin** |
| **Signature:** | /s/ Dongliang Lin |
| **Name/Title:** | Dongliang Lin |
| **Jingbo Wang** | **Jingbo Wang** |
| **Signature:** | /s/ Jingbo Wang |
| **Name/Title:** | Jingbo Wang |
| **Kuiguang Niu** | **Kuiguang Niu** |
| **Signature:** | /s/ Kuiguang Niu |
| **Name/Title:** | Kuiguang Niu |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**CASI Pharmaceuticals, Inc.**

*(Name of Issuer)*

**Ordinary Shares, par value US$0.0001 per share**

*(Title of Class of Securities)*

**G1933S101**

*(CUSIP Number)*

**Dongliang Lin**<br>6/F, Tower A, COFCO Plaza<br>8 Jianguomennei Avenue<br>Beijing F4 100005<br>86 10 8590 1885

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

**09/30/2025**

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

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**SPARKLE BYTE LTD** | Name of reporting person<br>**SPARKLE BYTE LTD** | |
| 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>**D8** | Citizenship or place of organization<br>**D8** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by the Reporting Person.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**SNOW MOON LTD** | Name of reporting person<br>**SNOW MOON LTD** | |
| 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>**D8** | Citizenship or place of organization<br>**D8** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of holding 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TIANJIN JINGRAN MANAGEMENT CENTER (LIMITED PARTNERSHIP)** | Name of reporting person<br>**TIANJIN JINGRAN MANAGEMENT CENTER (LIMITED PARTNERSHIP)** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of holding 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Beijing Hexie Kangjian Investment Center (Limited Partnership)** | Name of reporting person<br>**Beijing Hexie Kangjian Investment Center (Limited Partnership)** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of being the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Beijing Hexie Tiancheng Investment Management Center (Limited Partnership)** | Name of reporting person<br>**Beijing Hexie Tiancheng Investment Management Center (Limited Partnership)** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of being the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**He Xie Ai Qi Investment Management (Beijing) Co., Ltd.** | Name of reporting person<br>**He Xie Ai Qi Investment Management (Beijing) Co., Ltd.** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1019852.00** |
| 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>**1019852.00** |
| 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>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** The value in lines 7, 9 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of being the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Xizang Hexie Enterprise Management Co., Ltd.** | Name of reporting person<br>**Xizang Hexie Enterprise Management Co., Ltd.** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019851.00** | Aggregate amount beneficially owned by each reporting person<br>**1019851.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of being a 73.76% shareholder of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.** | Name of reporting person<br>**Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. By virtue of being a 93.63% shareholder of Xizang Hexie Enterprise Management Co., Ltd., which is a 73.76% shareholder of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Jianguang Li** | Name of reporting person<br>**Jianguang Li** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. The Reporting Person holds 12.93% of the equity interest of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., 1.42% of the equity interest of Xizang Hexie Enterprise Management Co., Ltd, and 40% of the equity interest of Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd. In addition, the Reporting Person is a director of each of He Xie Ai Qi Investment Management (Beijing) Co., Ltd. and Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd. Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd. is a 93.63% shareholder of Xizang Hexie Enterprise Management Co., Ltd., which in turn holds 73.76% of the equity interest of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited. By virtue of this affiliation, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Dongliang Lin** | Name of reporting person<br>**Dongliang Lin** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. The Reporting Person holds 13.31% of the equity interest of He Xie Ai Qi Investment Management (Beijing) Co., Ltd. and 4.95% of the equity interest of Xizang Hexie Enterprise Management Co., Ltd. In addition, the Reporting Person is a director of each of Sparkle Byte Limited, Snow Moon Limited, He Xie Ai Qi Investment Management (Beijing) Co., Ltd. and Xizang Hexie Enterprise Management Co., Ltd. Xizang Hexie Enterprise Management Co., Ltd. holds 73.76% of the equity interest of He Xie Ai Qi Investment Management (Beijing) Co., Ltd, which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited. By virtue of this affiliation, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Jingbo Wang** | Name of reporting person<br>**Jingbo Wang** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. The Reporting Person holds 30% of the equity interest of Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd., which is a 93.63% shareholder of Xizang Hexie Enterprise Management Co., Ltd., which is a 73.76% shareholder of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited. By virtue of this affiliation, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

| **CUSIP No.** | **G1933S101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Kuiguang Niu** | Name of reporting person<br>**Kuiguang Niu** | |
| 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>**CHINA** | Citizenship or place of organization<br>**CHINA** | |
| 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>**1019852.00** |
| 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>**1019852.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | Aggregate amount beneficially owned by each reporting person<br>**1019852.00** | |
| 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>**5%** | Percent of class represented by amount in Row (11)<br>**5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The value in lines 8, 10 and 11 represents 1,019,852 ordinary shares of the Issuer held by Sparkle Byte Limited. The Reporting Person holds 30% of the equity interest of Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd., which is a 93.63% shareholder of Xizang Hexie Enterprise Management Co., Ltd., which is a 73.76% shareholder of He Xie Ai Qi Investment Management (Beijing) Co., Ltd., which is the general partner of Beijing Hexie Tiancheng Investment Management Center (Limited Partnership), which in turn is the general partner of Beijing Hexie Kangjian Investment Center (Limited Partnership), which in turn is the general partner of Tianjin Jingran Management Center (Limited Partnership), which holds 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle Byte Limited.  In addition, the Reporting Person is a director of He Xie Ai Qi Investment Management (Beijing) Co., Ltd. By virtue of this affiliation, the Reporting Person may be deemed to share voting and dispositive power with respect to these shares.

Percent of Class Represented by Amount in Row (11) is based on 20,548,273 ordinary shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Ordinary Shares, par value US$0.0001 per share

**(b) Name of Issuer:**
CASI Pharmaceuticals, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
1701-1702, CHINA CENTRAL OFFICE TOWER 1, NO. 81 JIANGUO ROAD, CHAOYANG DISTRICT, BEIJING, F4, 100025

This Amendment No. 5 to Schedule 13D (this "Amendment No. 5") amends and supplements the previous Schedule 13D filed by the Reporting Persons with the SEC on January 25, 2016, as amended by Amendment No. 1 to Schedule 13D filed by the Reporting Persons with the SEC on June 30, 2016, Amendment No. 2 to Schedule 13D filed by the Reporting Persons with the SEC on December 5, 2016, Amendment No. 3 to Schedule 13D filed by the Reporting Persons with the SEC on November 14, 2018 and Amendment No. 4 to Schedule 13D filed by the Reporting Persons with the SEC on February 20, 2024 (the "Original Schedule 13D") and is being filed to reflect changes in the percentage of Ordinary Shares (as defined below) beneficially owned by the Reporting Persons due to increase in the amount of total issued and outstanding Ordinary Shares of the Issuer over time. Except as amended and supplemented herein, the information set forth in the Original Schedule 13D remains unchanged. Capitalized terms used herein have meanings as assigned thereto in the Original Schedule 13D, unless defined herein.

The class of equity securities to which this Statement on Schedule 13D relates is the ordinary shares, par value $0.0001 per share (the "Ordinary Share"), of CASI Pharmaceuticals, Inc., an exempted company with limited liability incorporated under the laws of the Cayman Islands (the "Issuer").

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

**(a)**
Item 5(a) of the Original Schedule 13D is hereby amended and restated in its entirety as follows:

The aggregate number and percentage of the Ordinary Shares beneficially owned by each Reporting Person is set forth on the cover pages to this Statement on Schedule 13D and is incorporated by reference herein. The ownership percentage appearing on such pages has been calculated based on a total of 20,548,273 Ordinary Shares of the Issuer outstanding as of September 30, 2025, as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2025. The Reporting Persons disclaim membership in any "group" with any person other than the Reporting Persons. Neither the filing of this Schedule 13D by the Reporting Persons nor any of its contents shall be deemed to constitute an admission by any of such persons, other than Sparkle Byte, that it is the beneficial owner of any of the Ordinary Shares referred to herein for purposes of the Securities Exchange Act of 1934, or for any other purpose, and such beneficial ownership is expressly disclaimed.

**(b)**
Item 5(b) of the Original Schedule 13D is hereby amended and restated in its entirety as follows:

For each Reporting Person, the number of the Ordinary Shares as to which there is sole power to vote or to direct the vote, shared power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on the cover pages to this Statement on Schedule 13D, and are incorporated herein by reference.

**(c)**
Item 5(c) of the Original Schedule 13D is hereby amended and restated in its entirety as follows:

None of the Reporting Persons has engaged in any transactions in the Issuer's securities during the past sixty days other than as disclosed herein.

### 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:** SPARKLE BYTE LTD

**Signature:** /s/ Dongliang Lin

**Name/Title:** Dongliang Lin / Authorized Signatory

**Date:** 01/20/2026

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:** SNOW MOON LTD

**Signature:** /s/ Dongliang Lin

**Name/Title:** Dongliang Lin / Authorized Signatory

**Date:** 01/20/2026

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:** TIANJIN JINGRAN MANAGEMENT CENTER (LIMITED PARTNERSHIP)

**Signature:** /s/ Yikun Liu

**Name/Title:** Yikun Liu / Representative

**Date:** 01/20/2026

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:** Beijing Hexie Kangjian Investment Center (Limited Partnership)

**Signature:** /s/ Yikun Liu

**Name/Title:** Yikun Liu / Authorized Signatory

**Date:** 01/20/2026

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:** Beijing Hexie Tiancheng Investment Management Center (Limited Partnership)

**Signature:** /s/ Dongliang Lin

**Name/Title:** Dongliang Lin / Authorized Signatory

**Date:** 01/20/2026

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:** He Xie Ai Qi Investment Management (Beijing) Co., Ltd.

**Signature:** /s/ Kuiguang Niu

**Name/Title:** Kuiguang Niu / Authorized Signatory

**Date:** 01/20/2026

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:** Xizang Hexie Enterprise Management Co., Ltd.

**Signature:** /s/ Dongliang Lin

**Name/Title:** Dongliang Lin / Authorized Signatory

**Date:** 01/20/2026

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:** Zhuhai Hexie Zhiyuan Management Consulting Co., Ltd.

**Signature:** /s/ Jianguang Li

**Name/Title:** Jianguang Li / Authorized Signatory

**Date:** 01/20/2026

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:** Jianguang Li

**Signature:** /s/ Jianguang Li

**Name/Title:** Jianguang Li

**Date:** 01/20/2026

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:** Dongliang Lin

**Signature:** /s/ Dongliang Lin

**Name/Title:** Dongliang Lin

**Date:** 01/20/2026

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:** Jingbo Wang

**Signature:** /s/ Jingbo Wang

**Name/Title:** Jingbo Wang

**Date:** 01/20/2026

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:** Kuiguang Niu

**Signature:** /s/ Kuiguang Niu

**Name/Title:** Kuiguang Niu

**Date:** 01/20/2026