ZLAB

Zai Lab Ltd

Insider trading activity for Zai Lab Ltd, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$4.1M

net selling

Bought(1 · 1 insiders): $33.1K
Sold(11 · 4 insiders): $4.1M

Past 6 months

-$5.3M

net selling

Bought(1 · 1 insiders): $33.1K
Sold(18 · 6 insiders): $5.3M

Past 12 months

-$5.3M

net selling

Bought(1 · 1 insiders): $33.1K
Sold(18 · 6 insiders): $5.3M

Transaction history

The 58 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 12	Lis William	Director	SSELL◷	8,506	$25.00	$212.7K	-16.9%	Open the original filing on SEC.gov
Aug 11	Chen Yajing	Chief Financial Officer	SSELL◷	619	$25.00	$15.5K	-1.7%	Open the original filing on SEC.gov
Jul 2	Du Ying	Chairperson & CEO	AGRANT◆	80,393	—	—	—	Open the original filing on SEC.gov
Jul 2	Du Ying	Chairperson & CEO	MEXER◆	11,048	—	—	—	Open the original filing on SEC.gov
Jul 2	Du Ying	Chairperson & CEO	FTAX	4,348	$19.12	$83.1K	-0.4%	Open the original filing on SEC.gov
Jul 2	Du Ying	Chairperson & CEO	MEXER	11,048	—	—	+0.9%	Open the original filing on SEC.gov
Jul 1	Gaynor Richard	Director	PBUY◷	1,736	$19.05	$33.1K	+2.2%	Open the original filing on SEC.gov
Jul 1	Du Ying	Chairperson & CEO	MEXER◆	18,000	—	—	—	Open the original filing on SEC.gov
Jul 1	Du Ying	Chairperson & CEO	FTAX	7,083	$19.15	$135.6K	-0.6%	Open the original filing on SEC.gov
Jul 1	Du Ying	Chairperson & CEO	MEXER	18,000	—	—	+1.5%	Open the original filing on SEC.gov
Jun 30	Du Ying	Chairperson & CEO	SSELL	7,026	$18.53	$130.2K	-0.6%	Open the original filing on SEC.gov
Jun 29	Du Ying	Chairperson & CEO	MEXER◆	17,970	—	—	—	Open the original filing on SEC.gov
Jun 29	Du Ying	Chairperson & CEO	MEXER	17,970	—	—	+1.5%	Open the original filing on SEC.gov
Jun 26	Edmondson Frazor Titus…	Chief Legal Officer	SSELL	4,103	$17.46	$71.6K	-11.9%	Open the original filing on SEC.gov
Jun 26	Du Ying	Chairperson & CEO	SSELL	24,543	$17.46	$428.5K	-2.0%	Open the original filing on SEC.gov
Jun 26	Chen Yajing	Chief Financial Officer	SSELL	2,264	$17.46	$39.5K	-6.0%	Open the original filing on SEC.gov
Jun 25	Edmondson Frazor Titus…	Chief Legal Officer	MEXER◆	14,600	—	—	—	Open the original filing on SEC.gov
Jun 25	Edmondson Frazor Titus…	Chief Legal Officer	MEXER	14,600	—	—	+73.6%	Open the original filing on SEC.gov
Jun 25	Du Ying	Chairperson & CEO	MEXER◆	58,800	—	—	—	Open the original filing on SEC.gov
Jun 25	Du Ying	Chairperson & CEO	MEXER	58,800	—	—	+5.1%	Open the original filing on SEC.gov
Jun 25	Chen Yajing	Chief Financial Officer	MEXER◆	6,250	—	—	—	Open the original filing on SEC.gov
Jun 25	Chen Yajing	Chief Financial Officer	MEXER	6,250	—	—	+19.7%	Open the original filing on SEC.gov
Jun 22	Lis William	Director	SSELL◷	7,040	$18.09	$127.4K	-12.3%	Open the original filing on SEC.gov
Jun 17	Wirth Peter	Director	AGRANT	22,371	—	—	+5.7%	Open the original filing on SEC.gov
Jun 17	Vounatsos Michel	Director	AGRANT	22,371	—	—	+44.4%	Open the original filing on SEC.gov
Jun 17	Morrison Scott W	Director	AGRANT	22,371	—	—	+64.8%	Open the original filing on SEC.gov
Jun 17	Moulder Leon O Jr	Director	AGRANT	22,371	—	—	+30.8%	Open the original filing on SEC.gov
Jun 17	Lis William	Director	AGRANT	22,371	—	—	+63.7%	Open the original filing on SEC.gov
Jun 17	Leung Nisa	Director	AGRANT	22,371	—	—	+30.3%	Open the original filing on SEC.gov
Jun 17	Gaynor Richard	Director	AGRANT	22,371	—	—	+39.5%	Open the original filing on SEC.gov
Jun 17	Diekman John D	Director	AGRANT	22,371	—	—	+22.4%	Open the original filing on SEC.gov
May 27	Du Ying	Chairperson & CEO	GGIFT	53,850	—	—	-4.4%	Open the original filing on SEC.gov
May 27	Du Ying	Chairperson & CEO	GGIFT	33,993	—	—	-2.7%	Open the original filing on SEC.gov
May 26	Du Ying	Chairperson & CEO	GGIFT	19,857	—	—	-1.6%	Open the original filing on SEC.gov
May 19	Du Ying	Chairperson & CEO	MEXER◷◆	261,092	—	—	—	Open the original filing on SEC.gov
May 19	Du Ying	Chairperson & CEO	FTAX◷	117,435	$18.75	$2.2M	-8.5%	Open the original filing on SEC.gov
May 19	Du Ying	Chairperson & CEO	MEXER◷	261,092	$1.74	$454.3K	+23.3%	Open the original filing on SEC.gov
May 18	Du Ying	Chairperson & CEO	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
May 18	Du Ying	Chairperson & CEO	SSELL◷	50,000	$19.00	$949.8K	-4.3%	Open the original filing on SEC.gov
May 18	Du Ying	Chairperson & CEO	MEXER◷	50,000	$1.74	$87K	+4.5%	Open the original filing on SEC.gov
May 15	Du Ying	Chairperson & CEO	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
May 15	Du Ying	Chairperson & CEO	SSELL◷	50,000	$20.74	$1M	-4.3%	Open the original filing on SEC.gov
May 15	Du Ying	Chairperson & CEO	MEXER◷	50,000	$1.74	$87K	+4.5%	Open the original filing on SEC.gov
May 14	Edmondson Frazor Titus…	Chief Legal Officer	SSELL◷	3,517	$20.19	$71K	-15.0%	Open the original filing on SEC.gov
May 14	Du Ying	Chairperson & CEO	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
May 14	Du Ying	Chairperson & CEO	SSELL◷	50,000	$20.09	$1M	-4.3%	Open the original filing on SEC.gov
May 14	Du Ying	Chairperson & CEO	MEXER◷	50,000	$1.74	$87K	+4.5%	Open the original filing on SEC.gov
May 13	Du Ying	Chairperson & CEO	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
May 13	Du Ying	Chairperson & CEO	SSELL◷	33,769	$20.22	$682.9K	-2.9%	Open the original filing on SEC.gov
May 13	Du Ying	Chairperson & CEO	SSELL◷	16,231	$19.44	$315.6K	-1.4%	Open the original filing on SEC.gov
May 13	Du Ying	Chairperson & CEO	MEXER◷	50,000	$1.74	$87K	+4.5%	Open the original filing on SEC.gov
May 11	Wang Yizhe	Operating Partner	AGRANT◆	59,288	—	—	—	Open the original filing on SEC.gov
May 11	Wang Yizhe	Operating Partner	AGRANT◆	136,819	—	—	—	Open the original filing on SEC.gov
Apr 6	Smiley Joshua L	See Remarks	SSELL	3,017	$20.45	$61.7K	-2.5%	Open the original filing on SEC.gov
Apr 6	Edmondson Frazor Titus…	Chief Legal Officer	SSELL	1,224	$20.45	$25K	-5.0%	Open the original filing on SEC.gov
Apr 6	Du Ying	Chairperson & CEO	SSELL	2,653	$20.45	$54.2K	-0.2%	Open the original filing on SEC.gov
Apr 6	Chen Yajing	Chief Financial Officer	SSELL	853	$20.45	$17.4K	-2.6%	Open the original filing on SEC.gov
Apr 6	Amado Rafael	See Remarks	SSELL	2,739	$20.45	$56K	-4.6%	Open the original filing on SEC.gov

SSELL◷$212.7K

Lis William · DirectorAug 12

8,506 sh @ $25.00 · -16.9% own

SSELL◷$15.5K

Chen Yajing · Chief Financial…Aug 11

619 sh @ $25.00 · -1.7% own

AGRANT◆—

Du Ying · Chairperson & CEOJul 2

80,393 sh

MEXER◆—

Du Ying · Chairperson & CEOJul 2

11,048 sh

FTAX$83.1K

Du Ying · Chairperson & CEOJul 2

4,348 sh @ $19.12 · -0.4% own

MEXER—

Du Ying · Chairperson & CEOJul 2

11,048 sh · +0.9% own

PBUY◷$33.1K

Gaynor Richard · DirectorJul 1

1,736 sh @ $19.05 · +2.2% own

MEXER◆—

Du Ying · Chairperson & CEOJul 1

18,000 sh

FTAX$135.6K

Du Ying · Chairperson & CEOJul 1

7,083 sh @ $19.15 · -0.6% own

MEXER—

Du Ying · Chairperson & CEOJul 1

18,000 sh · +1.5% own

SSELL$130.2K

Du Ying · Chairperson & CEOJun 30

7,026 sh @ $18.53 · -0.6% own

MEXER◆—

Du Ying · Chairperson & CEOJun 29

17,970 sh

MEXER—

Du Ying · Chairperson & CEOJun 29

17,970 sh · +1.5% own

SSELL$71.6K

Edmondson Frazor Titus… · Chief Legal…Jun 26

4,103 sh @ $17.46 · -11.9% own

SSELL$428.5K

Du Ying · Chairperson & CEOJun 26

24,543 sh @ $17.46 · -2.0% own

SSELL$39.5K

Chen Yajing · Chief Financial…Jun 26

2,264 sh @ $17.46 · -6.0% own

MEXER◆—

Edmondson Frazor Titus… · Chief Legal…Jun 25

14,600 sh

MEXER—

Edmondson Frazor Titus… · Chief Legal…Jun 25

14,600 sh · +73.6% own

MEXER◆—

Du Ying · Chairperson & CEOJun 25

58,800 sh

MEXER—

Du Ying · Chairperson & CEOJun 25

58,800 sh · +5.1% own

MEXER◆—

Chen Yajing · Chief Financial…Jun 25

6,250 sh

MEXER—

Chen Yajing · Chief Financial…Jun 25

6,250 sh · +19.7% own

SSELL◷$127.4K

Lis William · DirectorJun 22

7,040 sh @ $18.09 · -12.3% own

AGRANT—

Wirth Peter · DirectorJun 17

22,371 sh · +5.7% own

AGRANT—

Vounatsos Michel · DirectorJun 17

22,371 sh · +44.4% own

AGRANT—

Morrison Scott W · DirectorJun 17

22,371 sh · +64.8% own

AGRANT—

Moulder Leon O Jr · DirectorJun 17

22,371 sh · +30.8% own

AGRANT—

Lis William · DirectorJun 17

22,371 sh · +63.7% own

AGRANT—

Leung Nisa · DirectorJun 17

22,371 sh · +30.3% own

AGRANT—

Gaynor Richard · DirectorJun 17

22,371 sh · +39.5% own

AGRANT—

Diekman John D · DirectorJun 17

22,371 sh · +22.4% own

GGIFT—

Du Ying · Chairperson & CEOMay 27

53,850 sh · -4.4% own

GGIFT—

Du Ying · Chairperson & CEOMay 27

33,993 sh · -2.7% own

GGIFT—

Du Ying · Chairperson & CEOMay 26

19,857 sh · -1.6% own

MEXER◷◆—

Du Ying · Chairperson & CEOMay 19

261,092 sh

FTAX◷$2.2M

Du Ying · Chairperson & CEOMay 19

117,435 sh @ $18.75 · -8.5% own

MEXER◷$454.3K

Du Ying · Chairperson & CEOMay 19

261,092 sh @ $1.74 · +23.3% own

MEXER◷◆—

Du Ying · Chairperson & CEOMay 18

50,000 sh

SSELL◷$949.8K

Du Ying · Chairperson & CEOMay 18

50,000 sh @ $19.00 · -4.3% own

MEXER◷$87K

Du Ying · Chairperson & CEOMay 18

50,000 sh @ $1.74 · +4.5% own

MEXER◷◆—

Du Ying · Chairperson & CEOMay 15

50,000 sh

SSELL◷$1M

Du Ying · Chairperson & CEOMay 15

50,000 sh @ $20.74 · -4.3% own

MEXER◷$87K

Du Ying · Chairperson & CEOMay 15

50,000 sh @ $1.74 · +4.5% own

SSELL◷$71K

Edmondson Frazor Titus… · Chief Legal…May 14

3,517 sh @ $20.19 · -15.0% own

MEXER◷◆—

Du Ying · Chairperson & CEOMay 14

50,000 sh

SSELL◷$1M

Du Ying · Chairperson & CEOMay 14

50,000 sh @ $20.09 · -4.3% own

MEXER◷$87K

Du Ying · Chairperson & CEOMay 14

50,000 sh @ $1.74 · +4.5% own

MEXER◷◆—

Du Ying · Chairperson & CEOMay 13

50,000 sh

SSELL◷$682.9K

Du Ying · Chairperson & CEOMay 13

33,769 sh @ $20.22 · -2.9% own

SSELL◷$315.6K

Du Ying · Chairperson & CEOMay 13

16,231 sh @ $19.44 · -1.4% own

MEXER◷$87K

Du Ying · Chairperson & CEOMay 13

50,000 sh @ $1.74 · +4.5% own

AGRANT◆—

Wang Yizhe · Operating PartnerMay 11

59,288 sh

AGRANT◆—

Wang Yizhe · Operating PartnerMay 11

136,819 sh

SSELL$61.7K

Smiley Joshua L · See RemarksApr 6

3,017 sh @ $20.45 · -2.5% own

SSELL$25K

Edmondson Frazor Titus… · Chief Legal…Apr 6

1,224 sh @ $20.45 · -5.0% own

SSELL$54.2K

Du Ying · Chairperson & CEOApr 6

2,653 sh @ $20.45 · -0.2% own

SSELL$17.4K

Chen Yajing · Chief Financial…Apr 6

853 sh @ $20.45 · -2.6% own

SSELL$56K

Amado Rafael · See RemarksApr 6

2,739 sh @ $20.45 · -4.6% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 28 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 16 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
May 11	Jun 7	Wang YizheOperating Partner	16days	—	Filing ↗

Wang YizheOperating Partner

16days

Traded May 11 · filed Jun 7Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.