ZLAB
Zai Lab Limited
NASDAQ · Healthcare · Biotechnology · CN
$26.23
−2.85%1
Insider buys (3m)
8
Insider sells (3m)
-$999.4K
Net value (3m)
+56.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 21, 2026 | Chen Yajing · officer: Chief Financial Officer | Sale | 260 | $27 |
| Aug 18, 2026 | Chen Yajing · officer: Chief Financial Officer | F-InKind | 427 | $26 |
| Aug 18, 2026 | Chen Yajing · officer: Chief Financial Officer | M-Exempt | 1,250 | $0.00 |
| Aug 13, 2026 | Chen Yajing · officer: Chief Financial Officer | Sale | 619 | $25 |
| Aug 13, 2026 | Lis William · director | Sale | 8,506 | $25 |
| Jul 6, 2026 | Du Ying · director, officer: Chairperson & CEO | A-Award | 80,393 | $0.00 |
| Jul 6, 2026 | Du Ying · director, officer: Chairperson & CEO | F-InKind | 4,348 | $19 |
| Jul 6, 2026 | Du Ying · director, officer: Chairperson & CEO | F-InKind | 7,083 | $19 |
| Jul 6, 2026 | GAYNOR RICHARD · director | Purchase | 1,736 | $19 |
| Jul 6, 2026 | Du Ying · director, officer: Chairperson & CEO | M-Exempt | 18,000 | $0.00 |
| Jul 6, 2026 | Du Ying · director, officer: Chairperson & CEO | M-Exempt | 11,048 | $0.00 |
| Jul 1, 2026 | Du Ying · director, officer: Chairperson & CEO | M-Exempt | 17,970 | $0.00 |
| Jul 1, 2026 | Du Ying · director, officer: Chairperson & CEO | Sale | 7,026 | $19 |
| Jun 29, 2026 | Chen Yajing · officer: Chief Financial Officer | Sale | 2,264 | $17 |
| Jun 29, 2026 | Chen Yajing · officer: Chief Financial Officer | M-Exempt | 6,250 | $0.00 |
| Jun 29, 2026 | Du Ying · director, officer: Chairperson & CEO | Sale | 24,543 | $17 |
| Jun 29, 2026 | Edmondson Frazor Titus III · officer: Chief Legal Officer | M-Exempt | 14,600 | $0.00 |
| Jun 29, 2026 | Du Ying · director, officer: Chairperson & CEO | M-Exempt | 58,800 | $0.00 |
| Jun 29, 2026 | Edmondson Frazor Titus III · officer: Chief Legal Officer | Sale | 4,103 | $17 |
| Jun 24, 2026 | Lis William · director | Sale | 7,040 | $18 |
| Jun 22, 2026 | Leung Nisa · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | Vounatsos Michel · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | WIRTH PETER · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | DIEKMAN JOHN D · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | MOULDER LEON O JR · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | Lis William · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | Morrison Scott W · director | A-Award | 22,371 | $0.00 |
| Jun 22, 2026 | GAYNOR RICHARD · director | A-Award | 22,371 | $0.00 |
| Jun 8, 2026 | Wang Yizhe · officer: Operating Partner | A-Award | 136,819 | $20 |
| Jun 8, 2026 | Wang Yizhe · officer: Operating Partner | A-Award | 59,288 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 18Increased 24Reduced 48Sold out 100
| Filer | Action | Shares | Filed |
|---|---|---|---|
| RTW INVESTMENTS, LP | Reduced | 6,574,032 | May 15, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | New Position | 5,707,262 | May 15, 2026 |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | Unchanged | 1,902,320 | May 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 1,721,832 | May 15, 2026 |
| BAMCO INC /NY/ | Increased | 1,658,318 | May 15, 2026 |
| ADAR1 CAPITAL MANAGEMENT, LLC | Reduced | 1,425,367 | May 18, 2026 |
| CITADEL ADVISORS LLC | Reduced | 1,334,906 | Sep 2, 2026 |
| FMR LLC | Reduced | 1,262,391 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 865,146 | May 13, 2026 |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | Increased | 814,707 | May 15, 2026 |
| C WORLDWIDE GROUP HOLDING A/S | Unchanged | 510,000 | May 6, 2026 |
| UBS GROUP AG | Reduced | 504,191 | May 5, 2026 |
| JANE STREET GROUP, LLC | Reduced | 466,926 | May 12, 2026 |
| B GROUP, INC. | Increased | 450,646 | May 15, 2026 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Increased | 393,167 | May 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 21, 2026