Zai Lab Ltd (9688)

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Recent insider trading at Zai Lab Ltd shows significant selling activity, primarily from Chairperson & CEO Du Ying and Officer/Director Du Ying, totaling over $20 million in proposed and planned sales. Edmondson Frazor Titus III also engaged in planned and proposed sales. The company's stock has seen a 2.9% decrease over the last 90 days.

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Ticker: 9688 Exchange: HKG

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Company data & Insiders

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Trades

Du Ying

Chairperson & CEO

2 sales — total 200,000 USD

Planned sale 18 May 2026

Value US$1,373,281.64 | Price 152.53 | Shares 97,820

Proposed sale 18 May 2026

Value US$1,302,132.10 | Price 119.73 | Shares 91,071

Du Ying

Chairperson & CEO

2 sales — total 1,123,000 USD

Planned sale 15 May 2026

Value US$552,049.57 | Price 199.70 | Shares 61,709

Proposed sale 15 May 2026

Value US$508,798.61 | Price 497.77 | Shares 85,694

Edmondson Frazor Titus III

Chief Legal Officer

2 sales — total 142,016 USD

Planned sale 14 May 2026

Value US$71,008.23 | Price 20.19 | Shares 3,517

Proposed sale 14 May 2026

Value US$71,008.23 | Price 20.19 | Shares 3,517

Du Ying

Chairperson & CEO

3 sales — total 3,013,728 USD

Planned sale 14 May 2026

Value US$1,004,575.00 | Price 20.09 | Shares 50,000

Planned sale 14 May 2026

Value US$1,004,575.00 | Price 20.09 | Shares 50,000

Proposed sale 14 May 2026

Value US$1,004,577.99 | Price 20.09 | Shares 50,000

Du Ying

Chairperson & CEO

5 sales — total 2,956,939 USD

Planned sale 13 May 2026

Value US$682,886.85 | Price 20.22 | Shares 33,769

Planned sale 13 May 2026

Value US$682,886.85 | Price 20.22 | Shares 33,769

Planned sale 13 May 2026

Value US$315,582.58 | Price 19.44 | Shares 16,231

Planned sale 13 May 2026

Value US$315,582.58 | Price 19.44 | Shares 16,231

Proposed sale 13 May 2026

Value US$960,000.00 | Price 19.20 | Shares 50,000

Smiley Joshua L

See Remarks

2 sales — total 123,385 USD

Sale 6 Apr 2026

Value US$61,691.62 | Price 20.45 | Shares 3,017

Proposed sale 6 Apr 2026

Value US$61,693.12 | Price 20.45 | Shares 3,017

Edmondson Frazor Titus III

Chief Legal Officer

1 sale — total 25,028 USD

Sale 6 Apr 2026

Value US$25,028.35 | Price 20.45 | Shares 1,224

Du Ying

Chairperson & CEO

1 sale — total 54,249 USD

Sale 6 Apr 2026

Value US$54,248.54 | Price 20.45 | Shares 2,653

Amado Rafael

See Remarks

1 sale — total 56,007 USD

Sale 6 Apr 2026

Value US$56,007.07 | Price 20.45 | Shares 2,739

Chen Yajing

Chief Financial Officer

1 sale — total 17,442 USD

Sale 6 Apr 2026

Value US$17,442.14 | Price 20.45 | Shares 853

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-05-19	2026-05-18	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	97,820 +6.3% 152.53 US$1,373,282	97,820 +6.3%	152.53	US$1,373,282
2026-05-18	2026-05-18	PrS Proposed sale	Du Ying Officer; Director Executive Director	91,071 119.73 US$1,302,132	91,071	119.73	US$1,302,132
2026-05-19	2026-05-15	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	61,709 +31.3% 199.70 US$552,050	61,709 +31.3%	199.70	US$552,050
2026-05-15	2026-05-15	PrS Proposed sale	Du Ying Officer; Director Executive Director	50,000 20.46 US$1,023,000	50,000	20.46	US$1,023,000
2026-05-15	2026-05-14	PlS Planned sale	Edmondson Frazor Titus III Chief Legal Officer Officer	3,517 -15.1% 20.19 US$71,008	3,517 -15.1%	20.19	US$71,008
2026-05-15	2026-05-14	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	50,000 -4.3% 20.09 US$1,004,575	50,000 -4.3%	20.09	US$1,004,575
2026-05-15	2026-05-14	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	50,000 -4.3% 20.09 US$1,004,575	50,000 -4.3%	20.09	US$1,004,575
2026-05-14	2026-05-14	PrS Proposed sale	Du Ying Officer; Director Executive Director	50,000 20.09 US$1,004,578	50,000	20.09	US$1,004,578
2026-05-14	2026-05-14	PrS Proposed sale	Edmondson Frazor Titus III Officer Officer	3,517 20.19 US$71,008	3,517	20.19	US$71,008
2026-05-15	2026-05-13	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	33,769 -2.9% 20.22 US$682,887	33,769 -2.9%	20.22	US$682,887
2026-05-15	2026-05-13	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	33,769 -2.9% 20.22 US$682,887	33,769 -2.9%	20.22	US$682,887
2026-05-15	2026-05-13	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	16,231 -1.4% 19.44 US$315,583	16,231 -1.4%	19.44	US$315,583
2026-05-15	2026-05-13	PlS Planned sale	Du Ying Chairperson & CEO Executive Director	16,231 -1.4% 19.44 US$315,583	16,231 -1.4%	19.44	US$315,583
2026-05-13	2026-05-13	PrS Proposed sale	Du Ying Officer; Director Executive Director	50,000 19.20 US$960,000	50,000	19.20	US$960,000
2026-04-08	2026-04-06	S Sale	3.0 Smiley Joshua L See Remarks Officer	3,017 -2.5% 20.45 US$61,692	3,017 -2.5%	20.45	US$61,692
2026-04-08	2026-04-06	S Sale	Edmondson Frazor Titus III Chief Legal Officer Officer	1,224 -5.0% 20.45 US$25,028	1,224 -5.0%	20.45	US$25,028
2026-04-08	2026-04-06	S Sale	Du Ying Chairperson & CEO Executive Director	2,653 -0.2% 20.45 US$54,249	2,653 -0.2%	20.45	US$54,249
2026-04-08	2026-04-06	S Sale	3.8 Amado Rafael See Remarks Officer	2,739 -4.6% 20.45 US$56,007	2,739 -4.6%	20.45	US$56,007
2026-04-08	2026-04-06	S Sale	Chen Yajing Chief Financial Officer Officer	853 -2.6% 20.45 US$17,442	853 -2.6%	20.45	US$17,442
2026-04-06	2026-04-06	PrS Proposed sale	3.0 Smiley Joshua L Officer Officer	3,017 20.45 US$61,693	3,017	20.45	US$61,693