Zai Lab Ltd (ZLAB) Insider Trading -- Recent Executive & Director Transactions
13 insiders reported 155 Form 4 transactions for Zai Lab Ltd (ZLAB) over the past 18 months (most recent 2026-10-05). Recent activity: Chen Yajing (Chief Financial Officer) Buy 920 shares, Chen Yajing (Chief Financial Officer) Sell 315 shares, 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. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-05 | Chen Yajing | Chief Financial Officer | Buy | 920 | $0 |
| 2026-10-05 | Chen Yajing | Chief Financial Officer | Sell | 315 | $8,032 |
| 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 | Lis William | Director | Sell | 8,506 | $212,650 |
| 2026-08-13 | Chen Yajing | Chief Financial Officer | Sell | 619 | $15,475 |
| 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 | Du Ying | Chairperson & CEO | Sell | 24,543 | $428,521 |
| 2026-06-29 | Edmondson Frazor Titus III | Chief Legal Officer | Buy | 14,600 | $0 |
| 2026-06-29 | Edmondson Frazor Titus III | Chief Legal Officer | Sell | 4,103 | $71,638 |
| 2026-06-29 | Chen Yajing | Chief Financial Officer | Buy | 6,250 | $0 |
| 2026-06-29 | Chen Yajing | Chief Financial Officer | Sell | 2,264 | $39,529 |
| 2026-06-24 | Lis William | Director | Sell | 7,040 | $127,354 |
| 2026-06-22 | WIRTH PETER | Director | Buy | 22,371 | $0 |
| 2026-06-22 | GAYNOR RICHARD | Director | Buy | 22,371 | $0 |
| 2026-06-22 | Vounatsos Michel | Director | Buy | 22,371 | $0 |
| 2026-06-22 | Leung Nisa | Director | Buy | 22,371 | $0 |
Source: SEC Form 4 filings · as of 2026-10-05