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 |
|---|---|---|---|---|---|---|
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 16K | $19.06 | Mar 6, 2026 |
| Du Ying | Chairperson & CEO | EXERCISE | $100K–$500K | 100K | $1.74 | Mar 6, 2026 |
| Du Ying | Chairperson & CEO | SELL | $1M+ | 100K | $19.19 | Mar 6, 2026 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 10K | $17.38 | Mar 5, 2026 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 11K | $17.43 | Jan 2, 2026 |
| Amado Rafael | See Remarks | EXERCISE | N/A | 21K | — | Jan 2, 2026 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 9K | $17.14 | Dec 18, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 14K | $19.78 | Nov 25, 2025 |
| Chen Yajing | CFO | EXERCISE | N/A | 500 | — | Nov 4, 2025 |
| Chen Yajing | CFO | SELL | $1K–$15K | 240 | $26.83 | Nov 4, 2025 |
| Smiley Joshua L | See Remarks | BUY | $100K–$500K | 10K | $28.91 | Sep 12, 2025 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 7K | $35.23 | Jul 3, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 18K | — | Jul 3, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 18K | — | Jul 1, 2025 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 7K | $35.52 | Jul 1, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 15K | — | Jun 27, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 6K | $36.13 | Jun 27, 2025 |
| Du Ying | Chairperson & CEO | SELL | $500K+ | 24K | $36.13 | Jun 27, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 59K | — | Jun 27, 2025 |
| Chen Yajing | CFO | EXERCISE | N/A | 6K | — | Jun 27, 2025 |
| Chen Yajing | CFO | SELL | $50K–$100K | 3K | $36.13 | Jun 27, 2025 |
| Lis William | Director | GRANT | N/A | 11K | — | Jun 23, 2025 |
| Lis William | Director | SELL | $100K–$500K | 14K | $35.67 | Jun 23, 2025 |
| Chen Yajing | CFO | SELL | $100K–$500K | 10K | $30.00 | Jun 4, 2025 |
| Du Ying | Chairperson & CEO | SELL | $1M+ | 96K | $28.34 | May 15, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | $50K–$100K | 96K | $0.60 | May 15, 2025 |
| Morrison Scott W | Director | SELL | $500K+ | 24K | $30.05 | May 13, 2025 |
| Du Ying | Chairperson & CEO | SELL | $1M+ | 100K | $29.53 | May 13, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | $50K–$100K | 100K | $0.60 | May 13, 2025 |
| Smiley Joshua L | See Remarks | EXERCISE | N/A | 7K | — | Apr 7, 2025 |
| Smiley Joshua L | See Remarks | SELL | $100K–$500K | 3K | $33.11 | Apr 7, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $50K–$100K | 2K | $33.11 | Apr 7, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 5K | — | Apr 7, 2025 |
| Du Ying | Chairperson & CEO | SELL | $50K–$100K | 3K | $33.11 | Apr 7, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 7K | — | Apr 7, 2025 |
| Chen Yajing | CFO | EXERCISE | N/A | 3K | — | Apr 7, 2025 |
| Chen Yajing | CFO | SELL | $15K–$50K | 924 | $33.11 | Apr 7, 2025 |
| Amado Rafael | See Remarks | EXERCISE | N/A | 5K | — | Apr 7, 2025 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 3K | $33.11 | Apr 7, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | EXERCISE | N/A | 17K | — | Apr 3, 2025 |
| Edmondson Frazor Titus III | Chief Legal Officer | SELL | $100K–$500K | 4K | $35.89 | Apr 3, 2025 |
| Du Ying | Chairperson & CEO | SELL | $100K–$500K | 6K | $35.89 | Apr 3, 2025 |
| Du Ying | Chairperson & CEO | EXERCISE | N/A | 14K | — | Apr 3, 2025 |
| Chen Yajing | CFO | EXERCISE | N/A | 15K | — | Apr 3, 2025 |
| Chen Yajing | CFO | SELL | $100K–$500K | 5K | $35.89 | Apr 3, 2025 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 8K | $35.89 | Apr 3, 2025 |
| Amado Rafael | See Remarks | EXERCISE | N/A | 20K | — | Apr 3, 2025 |
| Smiley Joshua L | See Remarks | EXERCISE | N/A | 32K | — | Apr 3, 2025 |
| Smiley Joshua L | See Remarks | SELL | $100K–$500K | 12K | $35.89 | Apr 3, 2025 |
| Amado Rafael | See Remarks | SELL | $100K–$500K | 3K | $38.41 | Mar 19, 2025 |
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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