# Zai Lab Ltd (ZLAB) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/zlab

> 12 non-derivative transactions: 1 purchase ($33K), 4 sales ($365K). CIK 1704292.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-19 | Chen Yajing | Officer | S | 260.0 | 27.0 | 35635.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003867/0000905148-26-003867-index.htm |
| 2026-08-14 | Chen Yajing | Officer | M | 1250.0 |  | 36322.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003804/0000905148-26-003804-index.htm |
| 2026-08-14 | Chen Yajing | Officer | F | 427.0 | 25.9 | 35895.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003804/0000905148-26-003804-index.htm |
| 2026-08-12 | Lis William | Director | S | 8506.0 | 25.0 | 41931.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003620/0000905148-26-003620-index.htm |
| 2026-08-11 | Chen Yajing | Officer | S | 619.0 | 25.0 | 35072.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003619/0000905148-26-003619-index.htm |
| 2026-07-02 | Du Ying | Director, Officer | F | 4348.0 | 19.12 | 1221401.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003167/0000905148-26-003167-index.htm |
| 2026-07-02 | Du Ying | Director, Officer | M | 11048.0 |  | 1225749.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003167/0000905148-26-003167-index.htm |
| 2026-07-01 | Du Ying | Director, Officer | F | 7083.0 | 19.15 | 1214701.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003167/0000905148-26-003167-index.htm |
| 2026-07-01 | Du Ying | Director, Officer | M | 18000.0 |  | 1221784.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003167/0000905148-26-003167-index.htm |
| 2026-07-01 | GAYNOR RICHARD | Director | P | 1736.0 | 19.05 | 80737.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003169/0000905148-26-003169-index.htm |
| 2026-06-30 | Du Ying | Director, Officer | S | 7026.0 | 18.53 | 1203784.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003140/0000905148-26-003140-index.htm |
| 2026-06-29 | Du Ying | Director, Officer | M | 17970.0 |  | 1210810.0 | https://www.sec.gov/Archives/edgar/data/1704292/000090514826003140/0000905148-26-003140-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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