EDMONDSON FRAZOR TITUS III (Chief Legal Officer) sold 14.6% of their position (4.19K shares) of ZAI LAB LTD on the open market

Open‑market sale worth $85.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

EDMONDSON FRAZOR TITUS III

Filed: 4/3/2026ACC: 0000905148-26-001545

InsiderEDMONDSON FRAZOR TITUS IIICIK 1835780

→

IssuerZAI LAB LTDCIK 1704292

Officer· Chief Legal Officer

Since Jan 2021

+7.73K

Net shares

Net buyer

$85.5K

Total sold

Open market trades

0B · 1S

Total transactions

34.21K acquired · 26.48K disposed

Non-Derivative Transactions5

American Depositary Shares

Direct

M · Option Exercise

+2.67K

Price / share

—

Trade value

—

% of position

41.1%

4/1/2026

6.49K→9.16K

American Depositary Shares

Direct

M · Option Exercise

+830.00

Price / share

—

Trade value

—

% of position

9.1%

4/1/2026

9.16K→9.99K

American Depositary Shares

Direct

M · Option Exercise

+13.76K

Price / share

—

Trade value

—

% of position

137.6%

4/1/2026

9.99K→23.75K

American Depositary Shares

Direct

M · Option Exercise

+5.03K

Price / share

—

Trade value

—

% of position

21.2%

4/2/2026

23.75K→28.78K

American Depositary Shares

Direct

S · Sale

−4.19K

Price / share

$20.39

Trade value

$85.52K

% of position

14.6%

4/2/2026

28.78K→24.59K

Total

Net shares

+18.10K

Net value

-$85.52K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
American Depositary Shares Direct	4/1/2026	M · Option Exercise	+2.67K	—	—	41.1%	6.49K	9.16K
American Depositary Shares Direct	4/1/2026	M · Option Exercise	+830.00	—	—	9.1%	9.16K	9.99K
American Depositary Shares Direct	4/1/2026	M · Option Exercise	+13.76K	—	—	137.6%	9.99K	23.75K
American Depositary Shares Direct	4/2/2026	M · Option Exercise	+5.03K	—	—	21.2%	23.75K	28.78K
American Depositary Shares Direct	4/2/2026	S · Sale	−4.19K	$20.39	$85.52K	14.6%	28.78K	24.59K
Total			+18.10K		-$85.52K

Derivative Transactions5

Performance-Based Share Units

Direct

A · Award

Converts to

American Depositary Shares

11.92K shares

+11.92K

Strike price

Held after

11.92K

Exercisable

—

3/4/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

2.67K shares

−2.67K

Strike price

Held after

2.67K

Exercisable

—

4/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

830.00 shares

−830.00

Strike price

Held after

0.00

Exercisable

—

4/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

13.76K shares

−13.76K

Strike price

Held after

27.52K

Exercisable

—

4/1/2026

Restricted Share Units

Direct

M · Option Exercise

Converts to

American Depositary Shares

5.03K shares

−5.03K

Strike price

Held after

5.03K

Exercisable

—

4/2/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Performance-Based Share Units Direct	American Depositary Shares11.92K shares	3/4/2026	A · Award	+11.92K	—	11.92K
Restricted Share Units Direct	American Depositary Shares2.67K shares	4/1/2026	M · Option Exercise	−2.67K	—	2.67K
Restricted Share Units Direct	American Depositary Shares830.00 shares	4/1/2026	M · Option Exercise	−830.00	—	0.00
Restricted Share Units Direct	American Depositary Shares13.76K shares	4/1/2026	M · Option Exercise	−13.76K	—	27.52K
Restricted Share Units Direct	American Depositary Shares5.03K shares	4/2/2026	M · Option Exercise	−5.03K	—	5.03K