DU YING (Chairwoman & CEO) exercised options at ZAI LAB LTD

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises

DU YING

Filed: 7/6/2026ACC: 0000905148-26-003167

InsiderDU YINGCIK 1731790

→

IssuerZAI LAB LTDCIK 1704292

DirectorOfficer· Chairwoman & CEO

Since Jan 2021

+68.96K

Net shares

Net buyer

$218.8K

Total sold

Open market trades

0B · 0S

Total transactions

109.44K acquired · 40.48K disposed

Non-Derivative Transactions4

American Depositary Shares

Direct

M · Option Exercise

+18K

Price / share

—

Trade value

—

% of position

1.5%

7/1/2026

1.20M→1.22M

American Depositary Shares

Direct

F · Tax Withholding

−7.08K

Price / share

$19.15

Trade value

$135.64K

% of position

0.6%

7/1/2026

1.22M→1.21M

American Depositary Shares

Direct

M · Option Exercise

+11.05K

Price / share

—

Trade value

—

% of position

0.9%

7/2/2026

1.21M→1.23M

American Depositary Shares

Direct

F · Tax Withholding

−4.35K

Price / share

$19.12

Trade value

$83.13K

% of position

0.4%

7/2/2026

1.23M→1.22M

Total

Net shares

+17.62K

Net value

-$218.77K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
American Depositary Shares Direct	7/1/2026	M · Option Exercise	+18K	—	—	1.5%	1.20M	1.22M
American Depositary Shares Direct	7/1/2026	F · Tax Withholding	−7.08K	$19.15	$135.64K	0.6%	1.22M	1.21M
American Depositary Shares Direct	7/2/2026	M · Option Exercise	+11.05K	—	—	0.9%	1.21M	1.23M
American Depositary Shares Direct	7/2/2026	F · Tax Withholding	−4.35K	$19.12	$83.13K	0.4%	1.23M	1.22M
Total			+17.62K		-$218.77K

Derivative Transactions3

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

18K shares

−18K

Strike price

Held after

36K

Exercisable

—

7/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

11.05K shares

−11.05K

Strike price

Held after

33.15K

Exercisable

—

7/2/2026

Restricted Share Units

Direct

A · Award

Converts to

American Depositary Shares

80.39K shares

+80.39K

Strike price

Held after

80.39K

Exercisable

—

7/2/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Share Units Direct	American Depositary Shares18K shares	7/1/2026	M · Option Exercise	−18K	—	36K
Restricted Share Units Direct	American Depositary Shares11.05K shares	7/2/2026	M · Option Exercise	−11.05K	—	33.15K
Restricted Share Units Direct	American Depositary Shares80.39K shares	7/2/2026	A · Award	+80.39K	—	80.39K