ZLAB
Zai Lab Ltd
Pharmaceutical PreparationsNasdaqLarge accelerated filer
Total Trades
111
Buys
3
Sells
61
Largest Trade
N/A
Insiders
11
Institutional Funds
95
Inst. Value
$1M+
Activist Filings
9
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Chen Kai-Xian | Director | SELL | $100K–$500K | 8K | $17.22 | Jan 3, 2025 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 8K | $26.28 | Jan 2, 2025 |
| Amado Rafael | See Remarks | EXERCISE | N/A | 21K | — | Jan 2, 2025 |
| Chen Yajing | CFO | EXERCISE | N/A | 500 | — | Nov 5, 2024 |
| Chen Yajing | CFO | SELL | $1K–$15K | 167 | $30.66 | Nov 5, 2024 |
| Chen Yajing | CFO | SELL | $1K–$15K | 301 | $25.40 | Oct 3, 2024 |
| Chen Yajing | CFO | EXERCISE | N/A | 920 | — | Oct 3, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $15K–$50K | 2K | $16.95 | Aug 20, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 5K | — | Aug 20, 2024 |
| Smiley Joshua L | See Remarks | SELL | $50K–$100K | 4K | $16.67 | Aug 19, 2024 |
| Smiley Joshua L | See Remarks | EXERCISE | N/A | 16K | — | Aug 19, 2024 |
| Lis William | Director | SELL | $100K–$500K | 10K | $17.32 | Jul 3, 2024 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 18K | — | Jul 2, 2024 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 7K | $17.48 | Jul 2, 2024 |
| Reinhart Harald | See Remarks | SELL | $100K–$500K | 7K | $17.90 | Jun 27, 2024 |
| Reinhart Harald | See Remarks | EXERCISE | N/A | 18K | — | Jun 27, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $50K–$100K | 5K | $17.90 | Jun 27, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 15K | — | Jun 27, 2024 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 24K | $17.90 | Jun 27, 2024 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 59K | — | Jun 27, 2024 |
| Chen Yajing | CFO | SELL | $15K–$50K | 2K | $17.90 | Jun 27, 2024 |
| Chen Yajing | CFO | EXERCISE | N/A | 6K | — | Jun 27, 2024 |
| Smiley Joshua L | See Remarks | SELL | $15K–$50K | 2K | $15.67 | Apr 5, 2024 |
| Smiley Joshua L | See Remarks | EXERCISE | $100K–$500K | 7K | $15.90 | Apr 5, 2024 |
| Reinhart Harald | See Remarks | EXERCISE | $50K–$100K | 5K | $15.90 | Apr 5, 2024 |
| Reinhart Harald | See Remarks | SELL | $15K–$50K | 2K | $15.67 | Apr 5, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $15K–$50K | 1K | $15.67 | Apr 5, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | $50K–$100K | 5K | $15.90 | Apr 5, 2024 |
| Chen Yajing | CFO | SELL | $1K–$15K | 845 | $15.67 | Apr 5, 2024 |
| Chen Yajing | CFO | EXERCISE | $15K–$50K | 3K | $15.90 | Apr 5, 2024 |
| Amado Rafael | See Remarks | SELL | $15K–$50K | 2K | $15.67 | Apr 5, 2024 |
| Amado Rafael | See Remarks | EXERCISE | $50K–$100K | 5K | $15.90 | Apr 5, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | $50K–$100K | 4K | $16.72 | Apr 4, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $1K–$15K | 885 | $16.15 | Apr 4, 2024 |
| Reinhart Harald | See Remarks | EXERCISE | $50K–$100K | 4K | $16.72 | Apr 4, 2024 |
| Reinhart Harald | See Remarks | SELL | $15K–$50K | 2K | $16.15 | Apr 4, 2024 |
| Du Ying | Chairperson & CEO | SELL | $50K–$100K | 6K | $16.15 | Apr 4, 2024 |
| Du Ying | Chairperson & CEO | EXERCISE | $100K–$500K | 14K | $16.72 | Apr 4, 2024 |
| Chen Yajing | CFO | EXERCISE | $15K–$50K | 2K | $16.72 | Apr 4, 2024 |
| Chen Yajing | CFO | SELL | $1K–$15K | 519 | $16.15 | Apr 4, 2024 |
| Smiley Joshua L | See Remarks | BUY | $50K–$100K | 3K | $20.83 | Mar 4, 2024 |
| Amado Rafael | See Remarks | EXERCISE | N/A | 42K | — | Jan 4, 2024 |
| Amado Rafael | See Remarks | SELL | $500K+ | 19K | $26.30 | Jan 4, 2024 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 32K | — | Jan 4, 2024 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 8K | $26.12 | Jan 4, 2024 |
| Reinhart Harald | See Remarks | EXERCISE | N/A | 18K | — | Jan 4, 2024 |
| Reinhart Harald | See Remarks | SELL | $100K–$500K | 5K | $26.12 | Jan 4, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 18K | — | Jan 4, 2024 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 5K | $26.12 | Jan 4, 2024 |
| Smiley Joshua L | See Remarks | BUY | $100K–$500K | 5K | $26.93 | Nov 16, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 95 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 1.9M | $1M+ | SH |
| Clearbridge Investments, LLC | 1.8M | $1M+ | SH |
| ADAR1 Capital Management, LLC | 1.2M | $1M+ | SH |
| ADAR1 Capital Management, LLC | 1.2M | $1M+ | SH |
| C WorldWide Group Holding A/S | 510K | $1M+ | SH |
| Walleye Capital LLC | 373K | $1M+ | SH |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 300K | $1M+ | SH |
| JANE STREET GROUP, LLC | 278K | $1M+ | SH |
| NAN FUNG TRINITY (HK) Ltd | 270K | $1M+ | SH |
| Hennion & Walsh Asset Management, Inc. | 205K | $1M+ | SH |
| XY Capital Ltd | 202K | $1M+ | SH |
| Campbell & CO Investment Adviser LLC | 170K | $1M+ | SH |
| NEXTBio Capital Management LP | 163K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 151K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 150K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 149K | $1M+ | SH |
| STATE STREET CORP | 136K | $1M+ | SH |
| Privium Fund Management B.V. | 132K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 102K | $1M+ | SH |
| DCF Advisers, LLC | 98K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 14, 2026
4.4%
48.9M shares
SC 13G/A · Nov 14, 2025
2.1%
22.9M shares
SC 13G · Aug 14, 2025
5.1%
55.4M shares
SC 13G/A · Aug 12, 2025
6.0%
66.3M shares
SC 13G/A · Feb 14, 2023
8.1%
79.2M shares
SC 13G/A · Feb 10, 2023
8.4%
82.3M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Jul 5, 2022
4.8%
46.9M shares
SC 13G/A · Feb 14, 2022
8.2%
7.9M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G · Jan 27, 2022
5.9%
5.7M shares