ZLAB Zai Lab Ltd
Nasdaq · SEC CIK 1704292 · EDGAR
- Bought, last 12 months
- $65.8K 2 purchases by 1 insiders
- Sold, last 12 months
- $11.13M 35 sales by 6 insiders
- Filings on record
- 235 since 2021-07-02, latest 2026-08-21 16:16
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Du Ying | COB, CEO, Dir | — | $8.58M |
| Edmondson Frazor Titus III | CLO | — | $1.01M |
| Amado Rafael | See Remarks | — | $675.0K |
| Lis William | Dir | — | $340.0K |
| Smiley Joshua L | See Remarks | — | $294.3K |
| Chen Yajing | CFO | — | $239.3K |
| GAYNOR RICHARD | Dir | $65.8K | — |
| Leung Nisa | Dir | — | — |
| Vounatsos Michel | Dir | — | — |
| Morrison Scott W | Dir | — | — |
Transactions 321
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-23 | 2025-06-18 | ZLAB | Vounatsos Michel | Dir | A - Grant | $0.00 | +10.8K | 50.4K | +27% | $0 | |
| 2025-06-23 | 2025-06-18 | ZLAB | GAYNOR RICHARD | Dir | A - Grant | $0.00 | +10.8K | 54.9K | +25% | $0 | |
| T | 2025-06-23 | 2025-06-20 | ZLAB | Lis William | Dir | S - Sale | $35.67 | -13.8K | 35.1K | -28% | -$492.7K |
| T | 2025-06-23 | 2025-06-18 | ZLAB | Lis William | Dir | A - Grant | $0.00 | +10.8K | 48.9K | +28% | $0 |
| 2025-06-23 | 2025-06-18 | ZLAB | DIEKMAN JOHN D | Dir | A - Grant | $0.00 | +10.8K | 99.8K | +12% | $0 | |
| 2025-06-23 | 2025-06-18 | ZLAB | WIRTH PETER | Dir | A - Grant | $0.00 | +10.8K | 393.8K | +3% | $0 | |
| 2025-06-23 | 2025-06-18 | ZLAB | Morrison Scott W | Dir | A - Grant | $0.00 | +10.8K | 34.5K | +46% | $0 | |
| 2025-06-23 | 2025-06-18 | ZLAB | Leung Nisa | Dir | A - Grant | $0.00 | +10.8K | 73.9K | +17% | $0 | |
| 2025-06-23 | 2025-06-18 | ZLAB | MOULDER LEON O JR | Dir | A - Grant | $0.00 | +10.8K | 72.6K | +18% | $0 | |
| T | 2025-06-04 | 2025-06-02 | ZLAB | Chen Yajing | CFO | S - Sale | $30.00 | -9,618 | 17.4K | -36% | -$288.5K |
| DMT | 2025-05-15 | 2025-05-13+ | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $28.34 | -96.4K | 482.1K | -17% | -$2.73M |
| DMT | 2025-05-15 | 2025-05-13+ | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | $0.6 | +96.4K | 529.9K | +22% | +$57.8K |
| 2025-05-13 | 2025-05-09 | ZLAB | Morrison Scott W | Dir | S - Sale | $30.05 | -23.8K | 23.7K | -50% | -$715.2K | |
| DMT | 2025-05-13 | 2025-05-09+ | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $29.53 | -100.0K | 479.9K | -17% | -$2.95M |
| DMT | 2025-05-13 | 2025-05-09+ | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | $0.6 | +100.0K | 529.9K | +23% | +$60.0K |
| D | 2025-04-07 | 2025-04-03 | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | — | +6,750 | 482.8K | +1% | — |
| D | 2025-04-07 | 2025-04-04 | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $33.11 | -2,945 | 479.9K | -0.6% | -$97.5K |
| D | 2025-04-07 | 2025-04-04 | ZLAB | Smiley Joshua L | See Remarks | S - Sale+OE | $33.11 | -3,354 | 67.3K | -5% | -$111.1K |
| D | 2025-04-07 | 2025-04-03 | ZLAB | Smiley Joshua L | See Remarks | M - OptEx | — | +7,145 | 70.7K | +11% | — |
| D | 2025-04-07 | 2025-04-04 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $33.11 | -1,874 | 30.4K | -6% | -$62.0K |
| D | 2025-04-07 | 2025-04-03 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | — | +5,032 | 32.2K | +18% | — |
| D | 2025-04-07 | 2025-04-03 | ZLAB | Amado Rafael | See Remarks | M - OptEx | — | +5,391 | 48.2K | +13% | — |
| D | 2025-04-07 | 2025-04-04 | ZLAB | Amado Rafael | See Remarks | S - Sale+OE | $33.11 | -3,029 | 45.2K | -6% | -$100.3K |
| D | 2025-04-07 | 2025-04-03 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +2,500 | 28.0K | +10% | — |
| D | 2025-04-07 | 2025-04-04 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $33.11 | -924 | 27.0K | -3% | -$30.6K |
| D | 2025-04-03 | 2025-04-01 | ZLAB | Amado Rafael | See Remarks | M - OptEx | — | +19.5K | 50.4K | +63% | — |
| D | 2025-04-03 | 2025-04-02 | ZLAB | Amado Rafael | See Remarks | S - Sale+OE | $35.89 | -7,541 | 42.8K | -15% | -$270.6K |
| D | 2025-04-03 | 2025-04-02 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $35.89 | -5,280 | 25.5K | -17% | -$189.5K |
| DM | 2025-04-03 | 2025-04-01 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +15.3K | 30.8K | +98% | — |
| DM | 2025-04-03 | 2025-04-01 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | — | +17.3K | 17.0K | New | — |
| D | 2025-04-03 | 2025-04-02 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $35.89 | -4,369 | 27.2K | -14% | -$156.8K |
| DM | 2025-04-03 | 2025-04-01 | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | — | +14.2K | 481.9K | +3% | — |
| D | 2025-04-03 | 2025-04-02 | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $35.89 | -5,808 | 476.0K | -1% | -$208.4K |
| D | 2025-04-03 | 2025-04-02 | ZLAB | Smiley Joshua L | See Remarks | S - Sale+OE | $35.89 | -11.7K | 63.6K | -16% | -$421.3K |
| D | 2025-04-03 | 2025-04-01 | ZLAB | Smiley Joshua L | See Remarks | M - OptEx | — | +32.1K | 75.3K | +74% | — |
| T | 2025-03-19 | 2025-03-17 | ZLAB | Amado Rafael | See Remarks | S - Sale | $38.41 | -3,000 | 30.8K | -9% | -$115.2K |
| M | 2025-03-18 | 2025-03-14+ | ZLAB | Du Ying | COB, CEO, Dir | G - Gift | $0.00 | -26.5K | 478.1K | -5% | $0 |
| T | 2025-03-06 | 2025-03-05 | ZLAB | GAYNOR RICHARD | Dir | S - Sale | $35.07 | -2,500 | 44.1K | -5% | -$87.7K |
| DMT | 2025-03-06 | 2025-03-04+ | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $34.48 | -96.4K | 519.4K | -16% | -$3.32M |
| DMT | 2025-03-06 | 2025-03-04+ | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | $0.6 | +96.4K | 544.1K | +22% | +$57.8K |
| T | 2025-03-04 | 2025-02-28 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale | $32.98 | -14.5K | 14.3K | -50% | -$479.7K |
| DMT | 2025-03-04 | 2025-02-28+ | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $33.46 | -100.0K | 541.3K | -16% | -$3.35M |
| DMT | 2025-03-04 | 2025-02-28+ | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | $0.6 | +100.0K | 544.1K | +23% | +$60.0K |
| T | 2025-03-04 | 2025-02-28 | ZLAB | Lis William | Dir | S - Sale | $32.98 | -15.0K | 38.1K | -28% | -$494.7K |
| 2025-01-03 | 2023-01-03 | ZLAB | Chen Kai-Xian | Dir | F - Tax | $30.70 | -2,644 | 68.5K | -4% | -$81.2K | |
| 2025-01-03 | 2024-12-31 | ZLAB | Chen Kai-Xian | Dir | D - Sale to Iss | $0.00 | -21.3K | 39.5K | -35% | $0 | |
| 2025-01-03 | 2024-07-01 | ZLAB | Chen Kai-Xian | Dir | S - Sale | $17.22 | -7,750 | 60.8K | -11% | -$133.5K | |
| D | 2025-01-02 | 2024-12-30 | ZLAB | Amado Rafael | See Remarks | M - OptEx | — | +21.0K | 41.4K | +103% | — |
| D | 2025-01-02 | 2024-12-31 | ZLAB | Amado Rafael | See Remarks | S - Sale+OE | $26.28 | -7,583 | 33.8K | -18% | -$199.3K |
| 2024-12-13 | 2024-12-11 | ZLAB | Du Ying | COB, CEO, Dir | G - Gift | $0.00 | -500.0K | 494.1K | -50% | $0 | |
| D | 2024-11-05 | 2024-11-01 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +500 | 15.7K | +3% | — |
| D | 2024-11-05 | 2024-11-04 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $30.66 | -167 | 15.5K | -1% | -$5,120 |
| D | 2024-10-03 | 2024-10-01 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +920 | 15.5K | +6% | — |
| D | 2024-10-03 | 2024-10-02 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $25.40 | -301 | 15.2K | -2% | -$7,645 |
| T | 2024-09-05 | 2024-09-03 | ZLAB | GAYNOR RICHARD | Dir | S - Sale | $19.50 | -2,500 | 46.6K | -5% | -$48.8K |
| D | 2024-08-20 | 2024-08-16 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | — | +4,850 | 30.8K | +19% | — |
| D | 2024-08-20 | 2024-08-19 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $16.95 | -1,924 | 28.9K | -6% | -$32.6K |
| D | 2024-08-19 | 2024-08-16 | ZLAB | Smiley Joshua L | See Remarks | S - Sale+OE | $16.67 | -4,352 | 43.2K | -9% | -$72.5K |
| D | 2024-08-19 | 2024-08-15 | ZLAB | Smiley Joshua L | See Remarks | M - OptEx | — | +15.9K | 47.6K | +50% | — |
| 2024-08-19 | 2024-08-13 | ZLAB | Du Ying | COB, CEO, Dir | G - Gift | $0.00 | -87.8K | 994.1K | -8% | $0 | |
| D | 2024-08-16 | 2024-08-14 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +1,250 | 15.0K | +9% | — |
| D | 2024-08-16 | 2024-08-15 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $16.06 | -422 | 14.5K | -3% | -$6,777 |
| T | 2024-08-14 | 2024-08-12 | ZLAB | Amado Rafael | See Remarks | S - Sale | $16.20 | -3,115 | 20.4K | -13% | -$50.5K |
| MT | 2024-07-03 | 2024-07-01 | ZLAB | Lis William | Dir | S - Sale | $17.32 | -10.4K | 53.2K | -16% | -$180.0K |
| D | 2024-07-02 | 2024-06-28 | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | — | +18.0K | 1.09M | +2% | — |
| D | 2024-07-02 | 2024-07-01 | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $17.48 | -7,013 | 1.08M | -0.6% | -$122.6K |
| D | 2024-06-27 | 2024-06-25 | ZLAB | Reinhart Harald | See Remarks | M - OptEx | — | +18.2K | 70.0K | +35% | — |
| D | 2024-06-27 | 2024-06-26 | ZLAB | Reinhart Harald | See Remarks | S - Sale+OE | $17.90 | -7,431 | 62.6K | -11% | -$133.0K |
| D | 2024-06-27 | 2024-06-25 | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | — | +58.8K | 1.17M | +5% | — |
| D | 2024-06-27 | 2024-06-26 | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $17.90 | -23.9K | 1.14M | -2% | -$428.5K |
| D | 2024-06-27 | 2024-06-25 | ZLAB | Chen Yajing | CFO | M - OptEx | — | +6,250 | 15.9K | +65% | — |
| D | 2024-06-27 | 2024-06-26 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $17.90 | -2,154 | 13.7K | -14% | -$38.6K |
| D | 2024-06-27 | 2024-06-25 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | — | +14.6K | 31.0K | +89% | — |
| D | 2024-06-27 | 2024-06-26 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $17.90 | -5,062 | 25.9K | -16% | -$90.6K |
| 2024-06-20 | 2024-06-18 | ZLAB | Morrison Scott W | Dir | A - Grant | $0.00 | +21.3K | 47.5K | +81% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | Vounatsos Michel | Dir | A - Grant | $0.00 | +21.3K | 39.6K | +116% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | DIEKMAN JOHN D | Dir | A - Grant | $0.00 | +21.3K | 88.9K | +31% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | GAYNOR RICHARD | Dir | A - Grant | $0.00 | +21.3K | 49.1K | +76% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | WIRTH PETER | Dir | A - Grant | $0.00 | +21.3K | 382.9K | +6% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | Chen Kai-Xian | Dir | A - Grant | $0.00 | +21.3K | 71.2K | +43% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | MOULDER LEON O JR | Dir | A - Grant | $0.00 | +21.3K | 61.8K | +52% | $0 | |
| 2024-06-20 | 2024-06-18 | ZLAB | Lis William | Dir | A - Grant | $0.00 | +21.3K | 63.5K | +50% | $0 | |
| T | 2024-05-16 | 2024-05-14 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale | $21.33 | -10.0K | 16.4K | -38% | -$213.3K |
| T | 2024-05-15 | 2024-05-13 | ZLAB | Smiley Joshua L | See Remarks | P - Purchase | $21.40 | +3,000 | 31.7K | +10% | +$64.2K |
| D | 2024-04-05 | 2024-04-03 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | $15.90 | +5,031 | 27.7K | +22% | +$80.0K |
| D | 2024-04-05 | 2024-04-04 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $15.67 | -1,244 | 26.4K | -4% | -$19.5K |
| D | 2024-04-05 | 2024-04-04 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $15.67 | -845 | 9,618 | -8% | -$13.2K |
| D | 2024-04-05 | 2024-04-03 | ZLAB | Chen Yajing | CFO | M - OptEx | $15.90 | +2,500 | 10.5K | +31% | +$39.8K |
| D | 2024-04-05 | 2024-04-04 | ZLAB | Smiley Joshua L | See Remarks | S - Sale+OE | $15.67 | -1,988 | 28.7K | -6% | -$31.2K |
| D | 2024-04-05 | 2024-04-03 | ZLAB | Smiley Joshua L | See Remarks | M - OptEx | $15.90 | +7,145 | 30.7K | +30% | +$113.6K |
| D | 2024-04-05 | 2024-04-03 | ZLAB | Amado Rafael | See Remarks | M - OptEx | $15.90 | +5,391 | 25.5K | +27% | +$85.7K |
| D | 2024-04-05 | 2024-04-04 | ZLAB | Amado Rafael | See Remarks | S - Sale+OE | $15.67 | -1,952 | 23.5K | -8% | -$30.6K |
| D | 2024-04-05 | 2024-04-03 | ZLAB | Reinhart Harald | See Remarks | M - OptEx | $15.90 | +5,270 | 53.9K | +11% | +$83.8K |
| D | 2024-04-05 | 2024-04-04 | ZLAB | Reinhart Harald | See Remarks | S - Sale+OE | $15.67 | -2,105 | 51.8K | -4% | -$33.0K |
| DM | 2024-04-03 | 2024-04-01 | ZLAB | Edmondson Frazor Titus III | CLO | M - OptEx | $16.72 | +3,501 | 23.5K | +18% | +$58.5K |
| DM | 2024-04-03 | 2024-04-02 | ZLAB | Edmondson Frazor Titus III | CLO | S - Sale+OE | $16.15 | -885 | 22.8K | -4% | -$14.3K |
| DM | 2024-04-03 | 2024-04-01 | ZLAB | Du Ying | COB, CEO, Dir | M - OptEx | $16.72 | +14.2K | 1.11M | +1% | +$237.4K |
| DM | 2024-04-03 | 2024-04-02 | ZLAB | Du Ying | COB, CEO, Dir | S - Sale+OE | $16.15 | -5,787 | 1.11M | -0.5% | -$93.5K |
| D | 2024-04-03 | 2024-04-02 | ZLAB | Chen Yajing | CFO | S - Sale+OE | $16.15 | -519 | 7,963 | -6% | -$8,382 |
| D | 2024-04-03 | 2024-04-01 | ZLAB | Chen Yajing | CFO | M - OptEx | $16.72 | +1,500 | 8,482 | +21% | +$25.1K |
Purchase Sale Sale after option exercise All abbreviations