Insider Transactions in Q3 2025 at Zai Lab LTD (ZLAB)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 10
2025
|
Joshua L Smiley |
BUY
Open market or private purchase
|
Direct |
10,000
+10.35%
|
$280,000
$28.91 P/Share
|
|
Aug 29
2025
|
Du Ying Chairperson & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
251,319
-22.02%
|
$8,042,208
$32.59 P/Share
|
|
Aug 29
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
604,376
+34.62%
|
$604,376
$1.2 P/Share
|
|
Aug 18
2025
|
Frazor Titus Edmondson Iii Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
1,883
-4.28%
|
$67,788
$36.24 P/Share
|
|
Aug 18
2025
|
Joshua L Smiley |
SELL
Open market or private sale
|
Direct |
6,641
-7.98%
|
$239,076
$36.24 P/Share
|
|
Aug 15
2025
|
Frazor Titus Edmondson Iii Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
4,850
+9.94%
|
-
|
|
Aug 15
2025
|
Joshua L Smiley |
BUY
Exercise of conversion of derivative security
|
Direct |
15,900
+16.04%
|
-
|
|
Aug 15
2025
|
Yajing Chen Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
1,438
-4.04%
|
$50,330
$35.4 P/Share
|
|
Aug 14
2025
|
Yajing Chen Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,250
+6.44%
|
-
|
|
Aug 13
2025
|
Du Ying Chairperson & CEO |
SELL
Open market or private sale
|
Direct |
46,387
-7.95%
|
$1,623,545
$35.47 P/Share
|
|
Aug 13
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
46,387
+7.37%
|
$0
$0.6 P/Share
|
|
Aug 12
2025
|
Du Ying Chairperson & CEO |
SELL
Open market or private sale
|
Direct |
50,000
-8.52%
|
$1,700,000
$34.25 P/Share
|
|
Aug 12
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
50,000
+7.85%
|
$0
$0.6 P/Share
|
|
Aug 11
2025
|
Du Ying Chairperson & CEO |
SELL
Open market or private sale
|
Direct |
50,000
-8.52%
|
$1,700,000
$34.64 P/Share
|
|
Aug 11
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
50,000
+7.85%
|
$0
$0.6 P/Share
|
|
Aug 08
2025
|
Du Ying Chairperson & CEO |
SELL
Open market or private sale
|
Direct |
50,000
-8.52%
|
$1,700,000
$34.74 P/Share
|
|
Aug 08
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
50,000
+7.85%
|
$0
$0.6 P/Share
|
|
Aug 08
2025
|
Yajing Chen Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
4,096
-19.5%
|
$139,264
$34.01 P/Share
|
|
Aug 08
2025
|
Rafael Amado |
SELL
Open market or private sale
|
Direct |
3,000
-6.64%
|
$105,000
$35.0 P/Share
|
|
Jul 02
2025
|
Du Ying Chairperson & CEO |
SELL
Open market or private sale
|
Direct |
7,072
-1.3%
|
$247,520
$35.23 P/Share
|
|
Jul 01
2025
|
Du Ying Chairperson & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
18,000
+3.2%
|
-
|