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Chen Yajing

Disclosed activity across 1 company

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20729
SEC CIK
0001985694

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Zai Lab LtdZLAB · Entity 4271Chief Financial OfficerOctober 01, 2026October 05, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Zai Lab Ltd

Report date October 01, 2026 · Filed October 05, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
American Depositary SharesSEC Table I · non-derivativeDirect36,240 Last balance in matching sequence After 2026-10-01 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 1 · 2026-10-01 · Exercise / conversion · Acquired 920 · Balance 36,555

F1: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3: Each RSU represents a contingent right to receive one ADS.

Row 2 · 2026-10-01 · Tax withholding · Disposed 315 · Balance 36,240

F1: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4: These ADSs were withheld to cover taxes upon vesting of RSUs.

Restricted Share UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-10-01 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-10-01 · Exercise / conversion · Disposed 920 · Balance 0

F3: Each RSU represents a contingent right to receive one ADS.

F5: The RSUs vested in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares were delivered to the reporting person following vesting.

F1: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Filing footnotes · ownership attribution and instrument terms

F1: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3: Each RSU represents a contingent right to receive one ADS.

F4: These ADSs were withheld to cover taxes upon vesting of RSUs.

F5: The RSUs vested in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares were delivered to the reporting person following vesting.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 01, 2026 Filed Oct 5, 2026 20:44 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 920 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-004359 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: American Depositary Shares · 920 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vested in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares were delivered to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vested in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares were delivered to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 20:44 UTC Zai Lab Ltd ZLAB · Entity 4271 Tax withholdingAmerican Depositary Shares 315 $25.50 $8,032.50
Disclosure

SEC source: 0000905148-26-004359 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,240

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were withheld to cover taxes upon vesting of RSUs.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 20:44 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 920 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-004359 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,555

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 260 $27.00 $7,020.00
Disclosure

SEC source: 0000905148-26-003867 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,635

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 9, 2025.

Read SEC document
August 14, 2026 Filed Aug 18, 2026 20:16 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 1,250 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-003804 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,250

Underlying: American Depositary Shares · 1,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 08/14/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 08/14/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
August 14, 2026 Filed Aug 18, 2026 20:16 UTC Zai Lab Ltd ZLAB · Entity 4271 Tax withholdingAmerican Depositary Shares 427 $25.90 $11,059.30
Disclosure

SEC source: 0000905148-26-003804 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,895

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were withheld to cover taxes upon vesting of RSUs.

Read SEC document
August 14, 2026 Filed Aug 18, 2026 20:16 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 1,250 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-003804 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,322

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 20:15 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 619 $25.00 $15,475.00
Disclosure

SEC source: 0000905148-26-003619 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,072

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 9, 2025.

Read SEC document
June 26, 2026 Filed Jun 29, 2026 20:17 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 2,264 $17.46 $39,531.70
Disclosure

SEC source: 0000905148-26-003121 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,691

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:17 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 6,250 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-003121 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: American Depositary Shares · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vested in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vested in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:17 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 6,250 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-003121 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,955

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
April 06, 2026 Filed Apr 8, 2026 23:33 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 853 $20.45 $17,442.14
Disclosure

SEC source: 0000905148-26-001604 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,705

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: These ADSs were sold automatically to cover taxes upon vesting of Restricted Share Units.

Read SEC document
April 02, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 2,500 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · derivative · entry 8

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: American Depositary Shares · 2,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F9 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 04/03/2024, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F9 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 04/03/2024, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 02, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 5,199 $20.39 $106,007.61
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · nonDerivative · entry 4

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,558

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
April 02, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 2,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · nonDerivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,757

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 13,758 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · derivative · entry 7

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,516

Underlying: American Depositary Shares · 13,758 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F8 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F8 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 1,500 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · derivative · entry 6

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,500

Underlying: American Depositary Shares · 1,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F7 · derivative.exercise_date: The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F7 · derivative.expiration_date: The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 13,758 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 1,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,499

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:08 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 1,703 $18.63 $31,723.48
Disclosure

SEC source: 0000905148-26-001284 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,999

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
March 12, 2026 Filed Mar 16, 2026 20:08 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 4,258 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001284 · form4.xml · derivative · entry 5

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,777

Underlying: American Depositary Shares · 4,258 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F7 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 03/12/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F7 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 03/12/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
March 12, 2026 Filed Mar 16, 2026 20:08 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 4,258 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-26-001284 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,702

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
March 04, 2026 Filed Mar 16, 2026 20:08 UTC Zai Lab Ltd ZLAB · Entity 4271 GrantRestricted Share Units · Derivative 27,027 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001284 · form4.xml · derivative · entry 4

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,027

Underlying: American Depositary Shares · 27,027 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F6 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 03/04/2027, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F6 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 03/04/2027, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
March 04, 2026 Filed Mar 16, 2026 20:08 UTC Zai Lab Ltd ZLAB · Entity 4271 GrantStock Options (Right to Buy) · Derivative 83,160 $0.00 Strike: $19.27 $0.00
Disclosure

SEC source: 0000905148-26-001284 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,160

Underlying: American Depositary Shares · 83,160 shares

Expires 2036-03-04

F5 · derivative.exercise_date: The option vests in equal annual installments over four years beginning on 03/04/2027, the first anniversary of the date of grant, subject to continuous service.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
March 04, 2026 Filed Apr 3, 2026 21:57 UTC Zai Lab Ltd ZLAB · Entity 4271 GrantPerformance-Based Share Units · Derivative 11,924 $0.00 $0.00
Disclosure

SEC source: 0000905148-26-001543 · form4.xml · derivative · entry 5

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,924

Underlying: American Depositary Shares · 11,924 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance-based share unit ("PSU") represents a contingent right to receive one ADS.

F6 · derivative.exercise_date: The reporting person was granted PSUs on March 12, 2025 based on the satisfaction of specified performance criteria between January 1, 2025 through December 31, 2025. On March 4, 2026, the performance-based vesting conditions were confirmed for PSUs representing 11,924 ADSs. The PSUs vest in full on March 12, 2028, the third anniversary of the date of grant, subject to continuous service.

F6 · derivative.expiration_date: The reporting person was granted PSUs on March 12, 2025 based on the satisfaction of specified performance criteria between January 1, 2025 through December 31, 2025. On March 4, 2026, the performance-based vesting conditions were confirmed for PSUs representing 11,924 ADSs. The PSUs vest in full on March 12, 2028, the third anniversary of the date of grant, subject to continuous service.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
November 03, 2025 Filed Nov 4, 2025 21:13 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 240 $26.83 $6,439.44
Disclosure

SEC source: 0000905148-25-003766 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,444

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · kind: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
October 31, 2025 Filed Nov 4, 2025 21:13 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 500 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-003766 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: American Depositary Shares · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The Restricted Share Units vest in equal annual installments over four years beginning on 11/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.

F5 · derivative.expiration_date: The Restricted Share Units vest in equal annual installments over four years beginning on 11/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
October 31, 2025 Filed Nov 4, 2025 21:13 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 500 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-003766 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
October 02, 2025 Filed Oct 3, 2025 20:20 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 456 $34.25 $15,616.63
Disclosure

SEC source: 0000905148-25-003502 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,184

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · kind: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
October 01, 2025 Filed Oct 3, 2025 20:20 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 920 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-003502 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 920

Underlying: American Depositary Shares · 920 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The Restricted Share Units vest in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.

F5 · derivative.expiration_date: The Restricted Share Units vest in equal annual installments over five years beginning on 10/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
October 01, 2025 Filed Oct 3, 2025 20:20 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 920 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-003502 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,640

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 20:29 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 828 $35.53 $29,418.84
Disclosure

SEC source: 0000905148-25-003036 · form4.xml · nonDerivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,720

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F5 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2025.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 20:29 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 610 $35.27 $21,512.87
Disclosure

SEC source: 0000905148-25-003036 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,548

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
August 14, 2025 Filed Aug 18, 2025 20:29 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 1,250 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-003036 · form4.xml · derivative · entry 4

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,500

Underlying: American Depositary Shares · 1,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F6 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 08/14/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F6 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 08/14/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
August 14, 2025 Filed Aug 18, 2025 20:29 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 1,250 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-003036 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,158

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
August 08, 2025 Filed Aug 12, 2025 20:45 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 4,096 $34.01 $139,304.96
Disclosure

SEC source: 0000905148-25-002835 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,908

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · kind: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2025.

Read SEC document
June 26, 2025 Filed Jun 27, 2025 20:15 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 2,675 $36.13 $96,653.10
Disclosure

SEC source: 0000905148-25-002262 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,004

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
June 25, 2025 Filed Jun 27, 2025 20:15 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 6,250 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-002262 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,250

Underlying: American Depositary Shares · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
June 25, 2025 Filed Jun 27, 2025 20:15 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 6,250 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-002262 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,679

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
June 02, 2025 Filed Jun 4, 2025 20:34 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 9,618 $30.00 $288,540.00
Disclosure

SEC source: 0000905148-25-001994 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,429

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2025.

Read SEC document
April 04, 2025 Filed Apr 7, 2025 20:48 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 924 $33.11 $30,591.79
Disclosure

SEC source: 0000905148-25-001114 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,047

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
April 03, 2025 Filed Apr 7, 2025 20:48 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 2,500 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-001114 · form4.xml · derivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: American Depositary Shares · 2,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 04/03/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 04/03/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 03, 2025 Filed Apr 7, 2025 20:48 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 2,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-001114 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,971

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
April 02, 2025 Filed Apr 3, 2025 21:06 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleAmerican Depositary Shares 5,280 $35.89 $189,520.32
Disclosure

SEC source: 0000905148-25-001079 · form4.xml · nonDerivative · entry 3

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,471

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F4 · shares: These ADSs were sold automatically to cover taxes upon vesting of RSUs.

Read SEC document
April 01, 2025 Filed Apr 3, 2025 21:06 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 13,757 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-001079 · form4.xml · derivative · entry 5

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,274

Underlying: American Depositary Shares · 13,757 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F6 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered to the reporting person following vesting.

F6 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 01, 2025 Filed Apr 3, 2025 21:06 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionRestricted Share Units · Derivative 1,500 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-001079 · form4.xml · derivative · entry 4

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000

Underlying: American Depositary Shares · 1,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one ADS.

F5 · derivative.exercise_date: The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F5 · derivative.expiration_date: The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
April 01, 2025 Filed Apr 3, 2025 21:06 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 13,757 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-001079 · form4.xml · nonDerivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,751

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
April 01, 2025 Filed Apr 3, 2025 21:06 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionAmerican Depositary Shares 1,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000905148-25-001079 · form4.xml · nonDerivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

F2 · shares: ADSs acquired upon vesting of Restricted Share Units ("RSUs").

F3 · price: Each RSU represents a contingent right to receive one ADS.

Read SEC document
March 12, 2025 Filed Mar 14, 2025 21:13 UTC Zai Lab Ltd ZLAB · Entity 4271 GrantRestricted Share Units · Derivative 17,035 $0.00 $0.00
Disclosure

SEC source: 0000905148-25-000919 · form4.xml · derivative · entry 2

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,035

Underlying: American Depositary Shares · 17,035 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Restricted Share Unit ("RSU") represents a contingent right to receive one ADS.

F4 · derivative.exercise_date: The RSUs vest in equal annual installments over four years beginning on 03/12/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F4 · derivative.expiration_date: The RSUs vest in equal annual installments over four years beginning on 03/12/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document
March 12, 2025 Filed Mar 14, 2025 21:13 UTC Zai Lab Ltd ZLAB · Entity 4271 GrantStock Options (Right to Buy) · Derivative 52,418 $0.00 Strike: $35.55 $0.00
Disclosure

SEC source: 0000905148-25-000919 · form4.xml · derivative · entry 1

Chen Yajing · CIK 0001985694 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,418

Underlying: American Depositary Shares · 52,418 shares

Expires 2035-03-12

F2 · derivative.exercise_date: The option vests in equal annual installments over four years beginning on 03/12/2026, the first anniversary of the date of grant, subject to continuous service.

F1 · derivative.underlying: Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.