13 insiders reported 200 Form 4 transactions for Zai Lab Ltd (ZLAB) over the past 18 months (most recent 2026-08-21). Recent activity: Chen Yajing (Chief Financial Officer) Sell 260 shares, Chen Yajing (Chief Financial Officer) Buy 1,250 shares, Chen Yajing (Chief Financial Officer) Sell 427 shares, Chen Yajing (Chief Financial Officer) Sell 619 shares, Lis William (Director) Sell 8,506 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | Chen Yajing | Chief Financial Officer | Sell | 260 | $7,020 |
| 2026-08-18 | Chen Yajing | Chief Financial Officer | Buy | 1,250 | $0 |
| 2026-08-18 | Chen Yajing | Chief Financial Officer | Sell | 427 | $11,059 |
| 2026-08-13 | Chen Yajing | Chief Financial Officer | Sell | 619 | $15,475 |
| 2026-08-13 | Lis William | Director | Sell | 8,506 | $212,650 |
| 2026-07-06 | Du Ying | Chairperson & CEO | Buy | 18,000 | $0 |
| 2026-07-06 | GAYNOR RICHARD | Director | Buy | 1,736 | $33,071 |
| 2026-07-06 | Du Ying | Chairperson & CEO | Sell | 7,083 | $135,639 |
| 2026-07-06 | Du Ying | Chairperson & CEO | Buy | 11,048 | $0 |
| 2026-07-06 | Du Ying | Chairperson & CEO | Sell | 4,348 | $83,134 |
| 2026-07-01 | Du Ying | Chairperson & CEO | Buy | 17,970 | $0 |
| 2026-07-01 | Du Ying | Chairperson & CEO | Sell | 7,026 | $130,220 |
| 2026-06-29 | Du Ying | Chairperson & CEO | Buy | 58,800 | $0 |
| 2026-06-29 | Edmondson Frazor Titus III | Chief Legal Officer | Buy | 14,600 | $0 |
| 2026-06-29 | Chen Yajing | Chief Financial Officer | Buy | 6,250 | $0 |
| 2026-06-29 | Du Ying | Chairperson & CEO | Sell | 24,543 | $428,545 |
| 2026-06-29 | Edmondson Frazor Titus III | Chief Legal Officer | Sell | 4,103 | $71,642 |
| 2026-06-29 | Chen Yajing | Chief Financial Officer | Sell | 2,264 | $39,532 |
| 2026-06-24 | Lis William | Director | Sell | 7,040 | $127,354 |
| 2026-06-22 | WIRTH PETER | Director | Buy | 22,371 | $0 |
| 2026-06-22 | MOULDER LEON O JR | Director | Buy | 22,371 | $0 |
| 2026-06-22 | DIEKMAN JOHN D | Director | Buy | 22,371 | $0 |
| 2026-06-22 | Lis William | Director | Buy | 22,371 | $0 |
| 2026-06-22 | Morrison Scott W | Director | Buy | 22,371 | $0 |
| 2026-06-22 | Vounatsos Michel | Director | Buy | 22,371 | $0 |
Source: SEC Form 4 filings · as of 2026-08-21