Du Ying's Form 4 filing
Zai Lab Ltd (ZLAB) · filed May 19, 2026
- Accession no.
- 0000905148-26-002524
- Filed
- May 19, 2026
- Trade date
- May 15-18, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.99M. It was filed 4 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Du YingCIK 0001731790 | Director, Officer (Chairperson & CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | American Depositary Shares | MOption exerciseAcquired | +50,000 | $1.74 | +$87,000 | 1,172,626 | Direct | |
| May 15, 2026 | American Depositary Shares | SSaleDisposed | −50,000 | $20.74 | −$1,037,000 | 1,122,626 | Direct | |
| May 18, 2026 | American Depositary Shares | MOption exerciseAcquired | +50,000 | $1.74 | +$87,000 | 1,172,626 | Direct | |
| May 18, 2026 | American Depositary Shares | SSaleDisposed | −50,000 | $19.00 | −$950,000 | 1,122,626 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | American Depositary Shares | MOption exerciseDisposed | −50,000 | $0.00 | $0 | 311,092 | Direct | |
| May 18, 2026 | American Depositary Shares | MOption exerciseDisposed | −50,000 | $0.00 | $0 | 261,092 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.