William Lis
CIK: 0001574558
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)4 (66.7%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (33.3%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ZLAB
Zai Lab Ltd
Director
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Aug 12, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct8.5K shares at avg. $25.00$213K - Jun 22, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct7K shares at avg. $18.09$127K - Jun 17, 2026ZLAB
Zai Lab Ltd
Award(A)Direct22.4K shares- - Jun 20, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct13.8K shares at avg. $35.67$493K - Jun 18, 2025ZLAB
Zai Lab Ltd
Award(A)Direct10.8K shares- - Feb 28, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct15K shares at avg. $32.98$495K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 12, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 8,506 | $25.00 | $212,650 | Direct |
| Jun 22, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 7,040 | $18.09 | $127,354 | Direct |
| Jun 17, 2026 | ZLAB Zai Lab Ltd | Award(A) | 22,371 | - | $0 | Direct |
| Jun 20, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 13,814 | $35.67 | $492,745 | Direct |
| Jun 18, 2025 | ZLAB Zai Lab Ltd | Award(A) | 10,831 | - | - | Direct |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 15,000 | $32.98 | $494,700 | Direct |
1-6 of 6 transactions
About Lis William
Lis William (SEC CIK 0001574558) files insider reports with the SEC as Director of Zai Lab Ltd (ZLAB).
Signal8 holds 5 ownership filings by Lis William, all Form 4s, filed between Mar 4, 2025 and Aug 13, 2026. Those filings report 6 transactions, from Feb 28, 2025 to Aug 12, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Lis William's filings is in CAMBRIDGE, MA.
Recent filings by Lis William
- Aug 12, 2026: Open-market sale of ZLAB shares (Form 4, code S).
- Jun 22, 2026: Open-market sale of ZLAB shares (Form 4, code S).
- Jun 17, 2026: Grant or award of ZLAB shares (Form 4, code A).
- Jun 20, 2025: Open-market sale of ZLAB shares (Form 4, code S).
- Jun 18, 2025: Grant or award of ZLAB shares (Form 4, code A).
Other insiders filing for Zai Lab Ltd (ZLAB)
- Chen Yajing, Chief Financial Officer
- GAYNOR RICHARD, Director
- Du Ying, Chairperson & CEO
- Edmondson Frazor Titus III, Chief Legal Officer
- Morrison Scott W, Director
- Vounatsos Michel, Director