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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
ZAI LAB LTD: ZLAB
Price: 10/24/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$26.32 $44.34 $23.82 $3,087 111 698 0.0% 4.9% 42.61% 1.74%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
CHEN YAJING
CFO
S
$15,617
456
---
10/2/25
---
$34.25
17,184
-2.6
D
R
10/3/25 - 4:20:16 pm
2
    
 
CHEN YAJING
CFO
JB
---
920
---
10/1/25
---
---
17,640
5.5
D
R
10/3/25 - 4:20:16 pm
3
1y
4
75%
24%
2
SMILEY JOSHUA L
O
B
$289,100
10,000
---
9/10/25
---
$28.91
86,604
13.1
D
---
9/12/25 - 4:32:44 pm
4
    
 
DU YING
CEO,DIR
OS
$8,190,486
251,319
---
8/29/25
---
$32.59
890,019
-22.0
D
---
9/3/25 - 4:42:23 pm
5
    
 
DU YING
CEO,DIR
OE
$725,251
604,376
---
8/29/25
---
$1.20
1,141,338
112.6
D
---
9/3/25 - 4:42:23 pm
6
1y
2
0%
107%
2
SMILEY JOSHUA L
O
S
$240,643
6,641
---
8/18/25
---
$36.24
76,604
-8.0
D
R
8/19/25 - 4:40:23 pm
7
    
 
EDMONDSON FRAZOR TITUS III
LO
S
$68,232
1,883
---
8/18/25
---
$36.24
42,065
-4.3
D
R
8/19/25 - 4:40:04 pm
8
    
 
SMILEY JOSHUA L
O
JB
---
15,900
---
8/15/25
---
---
83,245
23.6
D
R
8/19/25 - 4:40:23 pm
9
    
 
EDMONDSON FRAZOR TITUS III
LO
JB
---
4,850
---
8/15/25
---
---
43,948
12.4
D
R
8/19/25 - 4:40:04 pm
10
    
 
CHEN YAJING
CFO
AS
$50,932
1,438
---
8/15/25
$35.27
$35.53
16,720
-7.9
D
R,10b
8/18/25 - 4:29:46 pm
11
    
 
CHEN YAJING
CFO
JB
---
1,250
---
8/14/25
---
---
18,158
7.4
D
R,10b
8/18/25 - 4:29:46 pm
12
    
 
DU YING
CEO,DIR
OS
$3,357,842
96,387
8/12/25
8/13/25
$34.25
$35.47
536,962
-15.2
D
10b
8/14/25 - 5:22:43 pm
13
    
 
DU YING
CEO,DIR
OE
$57,832
96,387
8/12/25
8/13/25
---
$0.60
586,962
19.6
D
10b
8/14/25 - 5:22:43 pm
14
    
 
DU YING
CEO,DIR
OS
$3,468,970
100,000
8/8/25
8/11/25
---
$34.64
536,962
-15.7
D
10b
8/12/25 - 4:45:19 pm
15
    
 
DU YING
CEO,DIR
OE
$60,000
100,000
8/8/25
8/11/25
---
$0.60
586,962
20.5
D
10b
8/12/25 - 4:45:19 pm
16
1y
4
25%
81%
3
AMADO RAFAEL
O
AS
$105,000
3,000
---
8/8/25
---
$35.00
42,178
-6.6
D
10b
8/12/25 - 4:45:52 pm
17
    
 
CHEN YAJING
CFO
AS
$139,305
4,096
---
8/8/25
---
$34.01
16,908
-19.5
D
10b
8/12/25 - 4:45:35 pm
18
    
 
DU YING
CEO,DIR
S
$249,147
7,072
---
7/2/25
---
$35.23
536,962
-1.3
D
R
7/3/25 - 4:07:32 pm
19
    
 
DU YING
CEO,DIR
JB
---
18,000
---
7/1/25
---
---
544,034
3.4
D
R
7/3/25 - 4:07:32 pm
20
    
 
DU YING
CEO,DIR
S
$245,727
6,918
---
6/30/25
---
$35.52
526,034
-1.3
D
R
7/1/25 - 4:30:46 pm
21
    
 
DU YING
CEO,DIR
JB
---
17,970
---
6/27/25
---
---
532,952
3.5
D
R
7/1/25 - 4:30:46 pm
22
    
 
EDMONDSON FRAZOR TITUS III
LO
S
$212,348
5,877
---
6/26/25
---
$36.13
39,098
-13.1
D
R
6/27/25 - 4:15:35 pm
23
    
 
DU YING
CEO,DIR
S
$855,208
23,669
---
6/26/25
---
$36.13
514,982
-4.4
D
R
6/27/25 - 4:15:20 pm
24
    
 
CHEN YAJING
CFO
S
$96,653
2,675
---
6/26/25
---
$36.13
21,004
-11.3
D
R
6/27/25 - 4:15:05 pm
25
    
 
EDMONDSON FRAZOR TITUS III
LO
JB
---
14,600
---
6/25/25
---
---
44,975
48.1
D
R
6/27/25 - 4:15:35 pm
26
    
 
DU YING
CEO,DIR
JB
---
58,800
---
6/25/25
---
---
538,651
12.3
D
R
6/27/25 - 4:15:20 pm
27
    
 
CHEN YAJING
CFO
JB
---
6,250
---
6/25/25
---
---
23,679
35.9
D
R
6/27/25 - 4:15:05 pm
28
1y
3
67%
17%
3
LIS WILLIAM
DIR
AS
$492,745
13,814
---
6/20/25
---
$35.67
35,106
-28.2
D
R,10b
6/23/25 - 4:10:46 pm
29
    
 
WIRTH PETER
DIR
JB
---
10,831
---
6/18/25
---
---
393,750
2.8
D
R
6/23/25 - 4:11:58 pm
30
    
 
VOUNATSOS MICHEL
DIR
JB
---
10,831
---
6/18/25
---
---
50,416
27.4
D
R
6/23/25 - 4:11:46 pm
31
    
 
MOULDER LEON O JR
DIR
JB
---
10,831
---
6/18/25
---
---
72,602
17.5
D
R
6/23/25 - 4:11:34 pm
32
    
 
MORRISON SCOTT W
DIR
JB
---
10,831
---
6/18/25
---
---
34,533
45.7
D
R
6/23/25 - 4:11:20 pm
33
    
 
GAYNOR RICHARD
DIR
JB
---
10,831
---
6/18/25
---
---
54,899
24.6
D
R
6/23/25 - 4:11:09 pm
34
    
 
DIEKMAN JOHN D
DIR
JB
---
10,831
---
6/18/25
---
---
99,769
12.2
D
R
6/23/25 - 4:10:57 pm
35
    
 
LIS WILLIAM
DIR
JB
---
10,831
---
6/18/25
---
---
48,920
28.4
D
R,10b
6/23/25 - 4:10:46 pm
36
    
 
LEUNG NISA
DIR
JB
---
10,831
---
6/18/25
---
---
73,926
17.2
D
R
6/23/25 - 4:10:36 pm
37
    
 
CHEN YAJING
CFO
S
$288,540
9,618
---
6/2/25
---
$30.00
17,429
-35.6
D
10b
6/4/25 - 4:34:41 pm
38
    
 
DU YING
CEO,DIR
OS
$2,731,507
96,389
5/13/25
5/14/25
$28.08
$28.83
479,851
-16.7
D
10b
5/15/25 - 4:27:50 pm
39
    
 
DU YING
CEO,DIR
OE
$57,833
96,389
5/13/25
5/14/25
---
$0.60
529,851
22.2
D
10b
5/15/25 - 4:27:50 pm
40
    
 
DU YING
CEO,DIR
OS
$2,953,308
100,000
5/9/25
5/12/25
$29.44
$29.92
479,851
-17.2
D
10b
5/13/25 - 4:48:13 pm
41
    
 
DU YING
CEO,DIR
OE
$60,000
100,000
5/9/25
5/12/25
---
$0.60
529,851
23.3
D
10b
5/13/25 - 4:48:13 pm
42
3m
1
0%
20%
2
MORRISON SCOTT W
DIR
S
$715,086
23,799
---
5/9/25
---
$30.05
23,702
-50.1
D
---
5/13/25 - 4:48:29 pm
43
1y
2
0%
107%
2
SMILEY JOSHUA L
O
S
$111,044
3,354
---
4/4/25
---
$33.11
67,345
-4.7
D
R
4/7/25 - 4:48:47 pm
44
    
 
EDMONDSON FRAZOR TITUS III
LO
S
$62,044
1,874
---
4/4/25
---
$33.11
30,375
-5.8
D
R
4/7/25 - 4:48:35 pm
45
    
 
DU YING
CEO,DIR
S
$97,503
2,945
---
4/4/25
---
$33.11
479,851
-0.6
D
R
4/7/25 - 4:48:25 pm
46
    
 
CHEN YAJING
CFO
S
$30,592
924
---
4/4/25
---
$33.11
27,047
-3.3
D
R
4/7/25 - 4:48:15 pm
47
1y
4
25%
81%
3
AMADO RAFAEL
O
S
$100,284
3,029
---
4/4/25
---
$33.11
45,178
-6.3
D
R
4/7/25 - 4:48:03 pm
48
    
 
SMILEY JOSHUA L
O
JB
---
7,145
---
4/3/25
---
---
70,699
11.2
D
R
4/7/25 - 4:48:47 pm
49
    
 
EDMONDSON FRAZOR TITUS III
LO
JB
---
5,032
---
4/3/25
---
---
32,249
18.5
D
R
4/7/25 - 4:48:35 pm
50
    
 
DU YING
CEO,DIR
JB
---
6,750
---
4/3/25
---
---
482,796
1.4
D
R
4/7/25 - 4:48:25 pm
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