Du Ying's Form 4 filing
Zai Lab LtdZLAB · filed May 15, 2026
- Accession no.
- 0000905148-26-002403
- Filed
- May 15, 2026
- Trade date
- May 13-14, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 5 non-derivative transactions and 2 derivative transactions. Open-market sales total $2.00M. It was filed 2 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 13, 2026 | American Depositary Shares | MOption exerciseAcquired | +50,000 | $1.74 | +$87,000 | 1,172,626 | Direct | |
| May 13, 2026 | American Depositary Shares | SSaleDisposed | −16,231 | $19.44F3 | −$315,530.64 | 1,156,395 | Direct | |
| May 13, 2026 | American Depositary Shares | SSaleDisposed | −33,769 | $20.22F4 | −$682,809.18 | 1,122,626 | Direct | |
| May 14, 2026 | American Depositary Shares | MOption exerciseAcquired | +50,000 | $1.74 | +$87,000 | 1,172,626 | Direct | |
| May 14, 2026 | American Depositary Shares | SSaleDisposed | −50,000 | $20.09F5 | −$1,004,500 | 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 13, 2026 | American Depositary Shares | MOption exerciseDisposed | −50,000 | $0.00 | $0 | 411,092 | Direct | |
| May 14, 2026 | American Depositary Shares | MOption exerciseDisposed | −50,000 | $0.00 | $0 | 361,092 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F3
Reflects a weighted average sale price of $19.4432 per share, at prices ranging from $18.89 to $19.87 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F4
Reflects a weighted average sale price of $20.2223 per share, at prices ranging from $19.89 to $20.52 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F5
Reflects a weighted average sale price of $20.0915 per share, at prices ranging from $19.56 to $20.46 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.