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person · Reporting owner

Du Ying

Disclosed activity across 1 company

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32142
SEC CIK
0001731790

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Zai Lab LtdZLAB · Entity 4271Director · Chairperson & CEOJuly 01, 2026July 06, 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 July 01, 2026 · Filed July 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
American Depositary SharesSEC Table I · non-derivativeDirect1,221,401 Last balance in matching sequence After 2026-07-02 transaction · row 4 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
4 source rows

Row 1 · 2026-07-01 · Exercise / conversion · Acquired 18,000 · Balance 1,221,784

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 · 2026-07-01 · Tax withholding · Disposed 7,083 · Balance 1,214,701

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.

Row 3 · 2026-07-02 · Exercise / conversion · Acquired 11,048 · Balance 1,225,749

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 4 · 2026-07-02 · Tax withholding · Disposed 4,348 · Balance 1,221,401

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 securityDirect36,000 Reported balance After 2026-07-01 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-07-01 · Exercise / conversion · Disposed 18,000 · Balance 36,000

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

F5: The RSUs vest in equal annual installments over four years beginning on 07/01/2025, 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: 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.

Restricted Share UnitsSEC Table II · derivative / convertible securityDirect33,146 Reported balance After 2026-07-02 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-07-02 · Exercise / conversion · Disposed 11,048 · Balance 33,146

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

F6: The RSUs vest in equal annual installments over four years beginning on 07/02/2026, 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: 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.

Restricted Share UnitsSEC Table II · derivative / convertible securityDirect80,393 Reported balance After 2026-07-02 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-07-02 · Grant · Acquired 80,393 · Balance 80,393

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

F7: The RSUs vest in equal annual installments over four years beginning on 07/02/2027, 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: 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 vest in equal annual installments over four years beginning on 07/01/2025, 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.

F6: The RSUs vest in equal annual installments over four years beginning on 07/02/2026, 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: The RSUs vest in equal annual installments over four years beginning on 07/02/2027, 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.

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
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 297 $180.80 $53,697.60
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 16

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,008,653

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F16 · balance_after: Reflects a weighted average sale price of $180.80 per share, at prices ranging from $180.62 to $180.89 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,381 $180.00 $248,580.00
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 15

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,008,950

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F15 · balance_after: Reflects a weighted average sale price of $180.00 per share, at prices ranging from $179.50 to $180.42 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 983 $178.62 $175,583.46
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 14

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,010,331

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F14 · balance_after: Reflects a weighted average sale price of $178.62 per share, at prices ranging from $178.37 to $179.08 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,066 $177.66 $367,045.56
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 13

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,011,314

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F13 · balance_after: Reflects a weighted average sale price of $177.66 per share, at prices ranging from $177.36 to $178.27 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,936 $176.90 $519,378.40
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 12

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,013,380

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F12 · balance_after: Reflects a weighted average sale price of $176.90 per share, at prices ranging from $176.32 to $177.32 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 889 $175.96 $156,428.44
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 11

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,016,316

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F11 · balance_after: Reflects a weighted average sale price of $175.96 per share, at prices ranging from $175.30 to $176.30 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 02, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 911 $174.68 $159,133.48
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 10

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,017,205

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F10 · balance_after: Reflects a weighted average sale price of $174.68 per share, at prices ranging from $174.28 to $175.24 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionStock Options (Right to Buy) · Derivative 111,111 $0.00 Strike: $0.60 $0.00
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · derivative · entry 17

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,222,498

Underlying: Ordinary Shares · 111,111 shares

Expires 2025-10-22

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 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F17 · derivative.exercise_date: The Stock Options fully vested as of October 22, 2020.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 17,600 $179.83 $3,165,008.00
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 9

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,018,116

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F9 · balance_after: Reflects a weighted average sale price of $179.83 per share, at prices ranging from $179.39 to $180.27 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 14,510 $178.87 $2,595,403.70
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 8

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,035,716

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F8 · balance_after: Reflects a weighted average sale price of $178.87 per share, at prices ranging from $178.39 to $179.38 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 9,735 $177.98 $1,732,635.30
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 7

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,050,226

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F7 · balance_after: Reflects a weighted average sale price of $177.98 per share, at prices ranging from $177.34 to $178.33 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,468 $176.66 $435,996.88
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 6

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,059,961

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F6 · balance_after: Reflects a weighted average sale price of $176.66 per share, at prices ranging from $176.29 to $177.20 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 7,087 $175.79 $1,245,823.73
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 5

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,062,429

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F5 · balance_after: Reflects a weighted average sale price of $175.79 per share, at prices ranging from $175.25 to $176.23 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 14,451 $174.65 $2,523,867.15
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 4

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,069,516

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F4 · balance_after: Reflects a weighted average sale price of $174.65 per share, at prices ranging from $174.245 to $175.245 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 24,868 $173.79 $4,321,809.72
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 3

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,083,967

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F3 · balance_after: Reflects a weighted average sale price of $173.79 per share, at prices ranging from $173.24 to $174.24 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 10,929 $172.83 $1,888,859.07
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 2

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,108,835

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · balance_after: Reflects a weighted average sale price of $172.83 per share, at prices ranging from $172.23 to $173.23 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 01:00 UTC Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionOrdinary Shares 111,111 $0.60 $66,666.60
Disclosure

SEC source: 0001567619-21-011578 · doc1.xml · nonDerivative · entry 1

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,119,764

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 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 54 $169.78 $9,168.12
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 25

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 786,430

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 347 $168.95 $58,625.65
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 24

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 786,484

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F25 · price: Reflects a weighted average sale price of $168.95 per share, at prices ranging from $168.69 to $169.15 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 240 $167.86 $40,286.40
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 23

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 786,831

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F24 · price: Reflects a weighted average sale price of $167.86 per share, at prices ranging from $167.65 to $168.27 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 770 $166.61 $128,289.70
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 22

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 787,071

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F23 · price: Reflects a weighted average sale price of $166.61 per share, at prices ranging from $166.30 to $167.08 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 779 $165.40 $128,846.60
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 21

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 787,841

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F22 · price: Reflects a weighted average sale price of $165.40 per share, at prices ranging from $165.25 to $166.10 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,488 $164.37 $244,582.56
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 20

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 788,620

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F21 · price: Reflects a weighted average sale price of $164.37 per share, at prices ranging from $164.10 to $165.05 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,077 $163.43 $176,014.11
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 19

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 790,108

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F20 · price: Reflects a weighted average sale price of $163.43 per share, at prices ranging from $163.06 to $164.06 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,349 $162.58 $381,900.42
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 18

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 791,185

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F19 · price: Reflects a weighted average sale price of $162.58 per share, at prices ranging from $162.04 to $163.04 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,325 $161.43 $213,894.75
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 17

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 793,534

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F18 · price: Reflects a weighted average sale price of $161.43 per share, at prices ranging from $161.02 to $162.00 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,886 $160.52 $463,260.72
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 16

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 794,859

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F17 · price: Reflects a weighted average sale price of $160.52 per share, at prices ranging from $160.00 to $160.96 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,691 $159.37 $269,494.67
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 15

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 797,745

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F16 · price: Reflects a weighted average sale price of $159.37 per share, at prices ranging from $158.92 to $159.65 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 8,812 $158.26 $1,394,587.12
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 14

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 799,436

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F15 · price: Reflects a weighted average sale price of $158.26 per share, at prices ranging from $157.89 to $158.83 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 3,284 $157.27 $516,474.68
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 13

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 808,248

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F14 · price: Reflects a weighted average sale price of $157.27 per share, at prices ranging from $156.88 to $157.88 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 10,466 $156.24 $1,635,207.84
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 12

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 811,532

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F13 · price: Reflects a weighted average sale price of $156.24 per share, at prices ranging from $155.79 to $156.73 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 04, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 13,379 $155.34 $2,078,293.86
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 11

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 821,998

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F12 · price: Reflects a weighted average sale price of $155.34 per share, at prices ranging from $154.78 to $155.78 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,013 $168.21 $170,396.73
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 10

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 835,377

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F11 · price: Reflects a weighted average sale price of $168.21 per share, at prices ranging from $168.16 to $168.71 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 433 $166.71 $72,185.43
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 9

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 836,390

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F10 · price: Reflects a weighted average sale price of $166.71 per share, at prices ranging from $166.57 to $166.93 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 3,117 $165.50 $515,863.50
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 8

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 836,823

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F9 · price: Reflects a weighted average sale price of $165.50 per share, at prices ranging from $165.21 to $166.00 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 5,114 $164.60 $841,764.40
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 7

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 839,940

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F8 · price: Reflects a weighted average sale price of $164.60 per share, at prices ranging from $164.19 to $165.18 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 2,720 $163.58 $444,937.60
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 6

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 845,054

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F7 · price: Reflects a weighted average sale price of $163.58 per share, at prices ranging from $163.14 to $164.04 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 7,171 $162.54 $1,165,574.34
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 5

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 847,774

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F6 · price: Reflects a weighted average sale price of $162.54 per share, at prices ranging from $162.12 to $163.10 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 14,867 $161.60 $2,402,507.20
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 4

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 854,945

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F5 · price: Reflects a weighted average sale price of $161.60 per share, at prices ranging from $161.08 to $162.08 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 12,634 $160.64 $2,029,525.76
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 3

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 869,812

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F4 · price: Reflects a weighted average sale price of $160.64 per share, at prices ranging from $160.07 to $161.04 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 6,885 $159.59 $1,098,777.15
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 2

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 882,446

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F3 · price: Reflects a weighted average sale price of $159.59 per share, at prices ranging from $159.06 to $160.05 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 03, 2021 Filed May 5, 2021 00:37 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 8,210 $158.65 $1,302,516.50
Disclosure

SEC source: 0001567619-21-009022 · doc1.xml · nonDerivative · entry 1

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 889,331

F1 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · price: Reflects a weighted average sale price of $158.65 per share, at prices ranging from $158.04 to $159.04 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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May 01, 2021 Filed Jun 3, 2021 00:58 UTC Amendment Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionStock Options (Right to Buy) · Derivative 111,111 $0.00 Strike: $0.60 $0.00
Disclosure

SEC source: 0001567619-21-011577 · doc1.xml · derivative · entry 3

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,333,609

Underlying: Ordinary Shares · 111,111 shares

Expires 2025-10-22

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 · kind: On May 4, 2021, the Reporting Person filed a Form 4 which inadvertently did not report that she exercised 111,111 Stock Options in connection with the sales of Ordinary Shares reported in such filing. However, as reported in this amendment, the Reporting Person exercised 111,111 Stock Options for Ordinary Shares, granted to her in connection with a stock option plan that fully vested on October 22, 2020. Accordingly, Table I, Column 5 is amended to reflect such acquisition of Ordinary Shares, pursuant to such exercise of Stock Options, giving effect to the various sale transactions previously reported on the initial filing of this Form 4.

F2 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1931.

F3 · derivative.exercise_date: The Stock Options fully vested as of October 22, 2020.

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May 01, 2021 Filed Jun 3, 2021 00:58 UTC Amendment Zai Lab Ltd ZLAB · Entity 4271 Exercise / conversionOrdinary Shares 111,111 $0.60 $66,666.60
Disclosure

SEC source: 0001567619-21-011577 · doc1.xml · nonDerivative · entry 1

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,119,764

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 · kind: On May 4, 2021, the Reporting Person filed a Form 4 which inadvertently did not report that she exercised 111,111 Stock Options in connection with the sales of Ordinary Shares reported in such filing. However, as reported in this amendment, the Reporting Person exercised 111,111 Stock Options for Ordinary Shares, granted to her in connection with a stock option plan that fully vested on October 22, 2020. Accordingly, Table I, Column 5 is amended to reflect such acquisition of Ordinary Shares, pursuant to such exercise of Stock Options, giving effect to the various sale transactions previously reported on the initial filing of this Form 4.

F2 · kind: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1931.

F1 · balance_after: On May 4, 2021, the Reporting Person filed a Form 4 which inadvertently did not report that she exercised 111,111 Stock Options in connection with the sales of Ordinary Shares reported in such filing. However, as reported in this amendment, the Reporting Person exercised 111,111 Stock Options for Ordinary Shares, granted to her in connection with a stock option plan that fully vested on October 22, 2020. Accordingly, Table I, Column 5 is amended to reflect such acquisition of Ordinary Shares, pursuant to such exercise of Stock Options, giving effect to the various sale transactions previously reported on the initial filing of this Form 4.

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April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 940 $135.94 $127,783.60
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 22

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 897,541

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F23 · price: Reflects a weighted average sale price of $135.94 per share, at prices ranging from $135.84 to $136.02 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 8,017 $135.17 $1,083,657.89
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 21

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 898,481

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F22 · price: Reflects a weighted average sale price of $135.17 per share, at prices ranging from $134.83 to $135.78 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 10,369 $134.40 $1,393,593.60
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 20

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 906,498

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F21 · price: Reflects a weighted average sale price of $134.40 per share, at prices ranging from $133.81 to $134.81 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 313 $133.12 $41,666.56
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 19

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 916,867

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F20 · price: Reflects a weighted average sale price of $133.12 per share, at prices ranging from $132.78 to $133.74 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 1,720 $131.83 $226,747.60
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 18

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 917,180

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F19 · price: Reflects a weighted average sale price of $131.83 per share, at prices ranging from $131.31 to $132.22 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
April 07, 2021 Filed Apr 7, 2021 23:55 UTC Zai Lab Ltd ZLAB · Entity 4271 SaleOrdinary Shares 577 $130.34 $75,206.18
Disclosure

SEC source: 0000899243-21-015354 · doc4.xml · nonDerivative · entry 17

Du Ying · CIK 0001731790 · Director · Chairwoman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 918,900

F1 · kind: This transaction was automatically triggered pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F18 · price: Reflects a weighted average sale price of $130.34 per share, at prices ranging from $130.15 to $131.09 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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.