Ying Du
CIK: 0001731790
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Zai Lab Ltd
Discretionary Trading P&L
Holdings
Transaction History (102 total)
- Jul 2, 2026ZLAB
Zai Lab Ltd
Tax Payment(F)Direct4.3K shares at avg. $19.12$83K - Jul 2, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct11K shares- - Jul 2, 2026ZLAB
Zai Lab Ltd
Award(A)DirectRestricted Share Units
80.4K shares- - Jul 1, 2026ZLAB
Zai Lab Ltd
Tax Payment(F)Direct7.1K shares at avg. $19.15$136K - Jul 1, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct18K shares- - Jun 30, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct7K shares at avg. $18.53$130K - Jun 29, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct18K shares- - Jun 26, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct24.5K shares at avg. $17.46$429K - Jun 25, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct58.8K shares- - May 27, 2026ZLAB
Zai Lab Ltd
Gift(G)Direct34K shares- - May 27, 2026ZLAB
Zai Lab Ltd
Gift(G)Direct53.9K shares- - May 26, 2026ZLAB
Zai Lab Ltd
Gift(G)Direct19.9K shares- - May 19, 2026ZLAB
Zai Lab Ltd
Tax Payment(F)Direct117.4K shares at avg. $18.75$2.2M - May 19, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct261.1K shares at avg. $1.74$454K - May 18, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct50K shares at avg. $1.74$87K - May 18, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct50K shares at avg. $19.00$950K - May 15, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct50K shares at avg. $1.74$87K - May 15, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct50K shares at avg. $20.74$1.0M - May 14, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct50K shares at avg. $20.09$1.0M - May 14, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct50K shares at avg. $1.74$87K - May 13, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct50K shares at avg. $1.74$87K - May 13, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct16.2K shares at avg. $19.44$316K - May 13, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct33.8K shares at avg. $20.22$683K - Apr 6, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct2.7K shares at avg. $20.45$54K - Apr 2, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct6.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 2, 2026 | ZLAB Zai Lab Ltd | Tax Payment(F) | 4,348 | $19.12 | $83,134 | Direct |
| Jul 2, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 11,048 | - | $0 | Direct |
| Jul 2, 2026 | ZLAB Zai Lab Ltd | Award(A) Restricted Share Units | 80,393 | - | - | Direct |
| Jul 1, 2026 | ZLAB Zai Lab Ltd | Tax Payment(F) | 7,083 | $19.15 | $135,639 | Direct |
| Jul 1, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 18,000 | - | $0 | Direct |
| Jun 30, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 7,026 | $18.53 | $130,220 | Direct |
| Jun 29, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 17,970 | - | $0 | Direct |
| Jun 26, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 24,543 | $17.46 | $428,545 | Direct |
| Jun 25, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 58,800 | - | $0 | Direct |
| May 27, 2026 | ZLAB Zai Lab Ltd | Gift(G) | 33,993 | - | $0 | Direct |
| May 27, 2026 | ZLAB Zai Lab Ltd | Gift(G) | 53,850 | - | $0 | Direct |
| May 26, 2026 | ZLAB Zai Lab Ltd | Gift(G) | 19,857 | - | $0 | Direct |
| May 19, 2026 | ZLAB Zai Lab Ltd | Tax Payment(F) | 117,435 | $18.75 | $2,201,906 | Direct |
| May 19, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 261,092 | $1.74 | $454,300 | Direct |
| May 18, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 50,000 | $1.74 | $87,000 | Direct |
| May 18, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 50,000 | $19.00 | $949,765 | Direct |
| May 15, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 50,000 | $1.74 | $87,000 | Direct |
| May 15, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 50,000 | $20.74 | $1,037,110 | Direct |
| May 14, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 50,000 | $20.09 | $1,004,575 | Direct |
| May 14, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 50,000 | $1.74 | $87,000 | Direct |
| May 13, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 50,000 | $1.74 | $87,000 | Direct |
| May 13, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 16,231 | $19.44 | $315,583 | Direct |
| May 13, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 33,769 | $20.22 | $682,887 | Direct |
| Apr 6, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 2,653 | $20.45 | $54,249 | Direct |
| Apr 2, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 6,750 | - | $0 | Direct |
1-25 of 102 transactions
About Du Ying
Du Ying (SEC CIK 0001731790) files insider reports with the SEC as Chairperson & CEO of Zai Lab Ltd (ZLAB).
Signal8 holds 30 ownership filings by Du Ying, all Form 4s, filed between Dec 13, 2024 and Jul 6, 2026. Those filings report 102 transactions, from Dec 11, 2024 to Jul 2, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Du Ying's filings is in CAMBRIDGE, MA.
Recent filings by Du Ying
- Jul 2, 2026: Tax withholding of ZLAB shares (Form 4, code F).
- Jul 2, 2026: Option exercise of ZLAB shares (Form 4, code M).
- Jul 2, 2026: Grant or award of ZLAB derivative securities (Form 4, code A).
- Jul 1, 2026: Tax withholding of ZLAB shares (Form 4, code F).
- Jul 1, 2026: Option exercise of ZLAB shares (Form 4, code M).
Other insiders filing for Zai Lab Ltd (ZLAB)
- Chen Yajing, Chief Financial Officer
- Lis William, Director
- GAYNOR RICHARD, Director
- Edmondson Frazor Titus III, Chief Legal Officer
- Morrison Scott W, Director
- Vounatsos Michel, Director