# EDGAR Filing Document

**Accession Number:** 0001704292
**File Stem:** 0000950103-25-010166
**Filing Date:** 2025-8
**Character Count:** 18210
**Document Hash:** ae4c2bac8dc751026c3cacb0252e89e2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-25-010166.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0000950103-25-010166

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Zai Lab Ltd
- **CENTRAL INDEX KEY:** 0001704292
- **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 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90351
- **FILM NUMBER:** 251203908

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 4560 JINKE ROAD
- **STREET 2:** BLDG. 1, 4F, PUDONG
- **CITY:** SHANGHAI
- **PROVINCE COUNTRY:** F4
- **BUSINESS PHONE:** 862161632588

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 4560 JINKE ROAD
- **STREET 2:** BLDG. 1, 4F, PUDONG
- **CITY:** SHANGHAI
- **PROVINCE COUNTRY:** F4
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Qiming Venture Partners IV, L.P.
- **CENTRAL INDEX KEY:** 0001603597

**ORGANIZATION NAME:**
- **EIN:** 981164224
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** C/O MAPLES CORPORATE SERVICES LIMITED
- **STREET 2:** P.O. BOX 309, UGLAND HOUSE
- **CITY:** GRAND CAYMAN
- **STATE:** E9
- **ZIP:** KY1-1104
- **BUSINESS PHONE:** 8621-6101-6522

**MAIL ADDRESS:**
- **STREET 1:** C/O MAPLES CORPORATE SERVICES LIMITED
- **STREET 2:** P.O. BOX 309, UGLAND HOUSE
- **CITY:** GRAND CAYMAN
- **STATE:** E9
- **ZIP:** KY1-1104

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**Issuer:** Zai Lab Limited

**Title of Class of Securities:** Ordinary shares, par value US $0.000006 per share

**CUSIP Number:** 98887Q104

**Date of Event Which Requires Filing of this Statement:** 06/30/2025

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

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

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

---

| 1. | Names of Reporting Persons<br>Qiming Corporate GP IV, Ltd. | Names of Reporting Persons<br>Qiming Corporate GP IV, Ltd. |
|:---|:---|:---|:---|
| 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>66329320.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>66329320.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>66329320.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>66329320.00 |
| 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>5.97% | Percent of Class Represented by Amount in Row (9)<br>5.97% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Note to Row (5) (7) and (9): As of the date of this 13G/A filing, Qiming Corporate GP IV, Ltd. is the general partner of Qiming Managing Directors Fund IV, L.P. and Qiming GP IV, L.P. Qiming Managing Directors Fund IV, L.P. holds approximately 3.06% of the equity interest of QM11 Limited. Qiming GP IV, L.P. is the general partner of Qiming Venture Partners IV, L.P., which holds approximately 96.94% of the equity interest of QM11 Limited. QM11 Limited is the owner of 66,329,320 Ordinary Shares, which is consisted of 1,268,000 ADSs and 53,649,320 ordinary shares.

Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025.

---

| 1. | Names of Reporting Persons<br>Qiming Managing Directors Fund IV, L.P | Names of Reporting Persons<br>Qiming Managing Directors Fund IV, L.P |
|:---|:---|:---|:---|
| 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>2030208.00 |
| 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>2030208.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>2030208.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>2030208.00 |
| 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>0.18% | Percent of Class Represented by Amount in Row (9)<br>0.18% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming Managing Directors Fund IV, L.P. holds approximately 3.06% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares).

Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025.

---

| 1. | Names of Reporting Persons<br>Qiming GP IV, L.P | Names of Reporting Persons<br>Qiming GP IV, L.P |
|:---|:---|:---|:---|
| 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>64299112.00 |
| 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>64299112.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>64299112.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>64299112.00 |
| 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>5.79% | Percent of Class Represented by Amount in Row (9)<br>5.79% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming GP IV, L.P. is the general partner of Qiming Venture Partners IV, L.P., which owns approximately 96.94% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares).

Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025.

---

| 1. | Names of Reporting Persons<br>Qiming Venture Partners IV, L.P. | Names of Reporting Persons<br>Qiming Venture Partners IV, L.P. |
|:---|:---|:---|:---|
| 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>64299112.00 |
| 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>64299112.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>64299112.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>64299112.00 |
| 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>5.79% | Percent of Class Represented by Amount in Row (9)<br>5.79% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming Venture Partners IV, L.P. holds approximately 96.94% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares  (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares).

Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025.

---

| 1. | Names of Reporting Persons<br>QM11 Limited | Names of Reporting Persons<br>QM11 Limited |
|:---|:---|:---|:---|
| 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>K3 | Citizenship or Place of Organization<br>K3 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>66329320.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>66329320.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>66329320.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>66329320.00 |
| 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>5.97% | Percent of Class Represented by Amount in Row (9)<br>5.97% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025.

---

**Item 1(a). Name of Issuer:**
Zai Lab Limited

**Item 1(b). Address of Issuer's Principal Executive Offices:**
4560 Jinke Road, Bldg.1, 4F, Pudong, Shanghai, China 201210 and 314 Main Street 4th Floor, Suite 100 Cambridge, MA, USA 02142

**Item 2(a). Name of Person Filing:**
Qiming Corporate GP IV, Ltd.
Qiming Managing Directors Fund IV, L.P.
Qiming GP IV, L.P.
Qiming Venture Partners IV, L.P.
QM11 Limited

**Item 2(b). Address of Principal Business Office:**
The registered address of each of Qiming Corporate GP IV, Ltd., Qiming Managing Directors Fund IV, L.P., Qiming GP IV, L.P. and Qiming Venture Partners IV, L.P. is M&C Corporate Services Limited, P.O. Box309GT, Ugland House, South Church Street, George Town, Grand Cayman, Cayman Islands.

The registered address of QM11 Limited is Units 4205-06, 42nd Floor, Gloucester Tower, the Landmark, 15 Queen's Road Central, Hong Kong.

**Item 2(c). Citizenship:**
Qiming Corporate GP IV, Ltd., Qiming Managing Directors Fund IV, L.P., Qiming GP IV, L.P. and Qiming Venture Partners IV, L.P. are organized in Cayman Islands.

QM11 Limited is a company organized in Hong Kong.

**Item 2(d). Title of Class of Securities:**
Ordinary shares, par value US $0.000006 per share

**Item 2(e). CUSIP Number:**
98887Q104

**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) [ ] 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) [ ] 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:**

The information set forth in Row (9) of the cover page for each of the Reporting Person is incorporated herein by reference.

**(b) Percent of class:**

The information set forth in Row (11) of the cover page for each of the Reporting Person is incorporated herein by reference.

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

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

The information set forth in Row (5) of the cover page for each of the Reporting Person is incorporated herein by reference.

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

The information set forth in Row (6) of the cover page for each of the Reporting Person is incorporated herein by reference.

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

The information set forth in Row (7) of the cover page for each of the Reporting Person is incorporated herein by reference.

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

The information set forth in Row (8) of the cover page for each of the Reporting Person is incorporated herein by reference.

**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.**

Not Applicable

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

Not Applicable

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

Not Applicable

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

Not Applicable

**Item 10. Certification:**

—

### 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.

**Qiming Corporate GP IV, Ltd.**

**Date:** 08/12/2025

**By:** /s/ Holan Lam

**Name & Title:** Holan Lam/Authorized Signatory

**Qiming Managing Directors Fund IV, L.P**

**Date:** 08/12/2025

**By:** /s/ Holan Lam

**Name & Title:** Holan Lam/Authorized Signatory

**Qiming GP IV, L.P**

**Date:** 08/12/2025

**By:** /s/ Holan Lam

**Name & Title:** Holan Lam/Authorized Signatory

**Qiming Venture Partners IV, L.P.**

**Date:** 08/12/2025

**By:** /s/ Holan Lam

**Name & Title:** Holan Lam/Authorized Signatory

**QM11 Limited**

**Date:** 08/12/2025

**By:** /s/ Holan Lam

**Name & Title:** Holan Lam/Authorized Signatory