← All stocks

Zai Lab Ltd

ZLAB Net selling

CIK 0001704292 #1762 in the set updated 17 Sep 2026

Bought (12 mo)

$65.80K

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$11.13M

$1.36M on a plan · $8.53M straight out of an exercise

Sold at will

$1.24M

16 of 41 sales

Net

−$11.07M

−$1.18M against sales at will

By person

14 insiders · 45 transactions

36.2×

Samantha (Ying) Du holds 36.2 times base salary in stock. $32.98M of shares against $908.73K in salary for 2025.

Salary from the company's own proxy. The shares are what Samantha (Ying) Du last reported holding, valued at $27.00, the price American Depositary Shares was last bought or sold at on the open market here, on 19 Aug 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Du Ying

Chairperson & CEO

—

$8.58M (15) scheduled

−$8.58M

1,221,401

0.1088%

$32.98M

+22.9%

Edmondson Frazor Titus III

Chief Legal Officer

—

$1.01M (8) scheduled

−$1.01M

30,346

0.0027%

$819.34K

+5.1%

Amado Rafael

See Remarks

—

$674.99K (5) scheduled

−$674.99K

57,022

0.0051%

$1.54M

+179.3%

Lis William

Director

—

$340.00K (2) scheduled

−$340.00K

41,931

0.0037%

$1.13M

−21.0%

Smiley Joshua L

See Remarks

—

$294.34K (3) scheduled

−$294.34K

117,602

0.0105%

$3.18M

+172.0%

Chen Yajing

Chief Financial Officer

—

$239.26K (8) scheduled

−$239.26K

35,635

0.0032%

$962.15K

+145.0%

GAYNOR RICHARD

Director

$65.80K (2)

—

+$65.80K

80,737

0.0072%

$2.18M

+73.4%

WIRTH PETER

Director

—

416,121

0.0371%

$11.24M

+8.7%

DIEKMAN JOHN D

Director

—

122,140

0.0109%

$3.30M

+37.3%

Leung Nisa

Director

—

96,297

0.0086%

$2.60M

+52.6%

MOULDER LEON O JR

Director

—

94,973

0.0085%

$2.56M

+53.8%

Vounatsos Michel

Director

—

72,787

0.0065%

$1.97M

+83.9%

Morrison Scott W

Director

—

56,904

0.0051%

$1.54M

+19.8%

Chen Kai-Xian

Director

—

39,525

0.0035%

$1.07M

−35.0%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Du Ying

18 May 2026

Chairperson & CEO

Sold after exercise

50,000

$19.00

$949.77K

Du Ying

15 May 2026

Chairperson & CEO

Sold after exercise

50,000

$20.74

$1.04M

Du Ying

14 May 2026

Chairperson & CEO

Sold after exercise

50,000

$20.09

$1.00M

Du Ying

13 May 2026

Chairperson & CEO

Sold after exercise

33,769

$20.22

$682.89K

Du Ying

13 May 2026

Chairperson & CEO

Sold after exercise

16,231

$19.44

$315.58K

Amado Rafael

2 Apr 2026

See Remarks

Sold after exercise

9,910

$20.39

$202.06K

Chen Yajing

2 Apr 2026

Chief Financial Officer

Sold after exercise

5,199

$20.39

$106.01K

Du Ying

2 Apr 2026

Chairperson & CEO

Sold after exercise

5,576

$20.39

$113.69K

Edmondson Frazor Titus III

2 Apr 2026

Chief Legal Officer

Sold after exercise

4,194

$20.39

$85.52K

Smiley Joshua L

2 Apr 2026

See Remarks

Sold after exercise

9,614

$20.39

$196.03K

Du Ying

9 Mar 2026

Chairperson & CEO

Sold after exercise

50,000

$19.03

$951.47K

Du Ying

6 Mar 2026

Chairperson & CEO

Sold after exercise

50,000

$19.42

$970.94K

Du Ying

5 Mar 2026

Chairperson & CEO

Sold after exercise

50,000

$19.22

$961.06K

Du Ying

4 Mar 2026

Chairperson & CEO

Sold after exercise

35,710

$19.32

$689.83K

Du Ying

4 Mar 2026

Chairperson & CEO

Sold after exercise

14,290

$18.78

$268.32K

Show all 45 transactions →

Zai Lab Ltd

By person

Individual transactions

What was left out