Insider · CIK 0001731790
Ying Du
ceochairofficerdirector
Files at ZLAB (Zai Lab Ltd). First filing Mar 4, 2025, latest Mar 12, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 14
$0 bought, $25M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ZLAB: Zai Lab Ltd
ZLABOct 9, 2026 · close 24.99
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 5Weak | Zai Lab Ltd | $20k 1,067 shares | -0% | +17% from low-56% from high | |
| 30Weak | Zai Lab Ltd | $1.9M 100,000 shares | -10% | +20% from low-55% from high | |
| 30Weak | Zai Lab Ltd | $1.9M 100,000 shares | -10% | +18% from low-55% from high | |
| 35Weak | Zai Lab Ltd | $3.4M 96,387 shares | -16% | +69% from low-20% from high | |
| 35Weak | Zai Lab Ltd | $3.5M 100,000 shares | -17% | +72% from low-19% from high | |
| 38Weak | Zai Lab Ltd | $249k 7,072 shares | -1% | +74% from low-18% from high | |
| 38Weak | Zai Lab Ltd | $246k 6,918 shares | -1% | +72% from low-19% from high | |
| 48Moderate | Zai Lab Ltd | $855k 23,669 shares | -4% | +78% from low-16% from high | |
| 28Weak | Zai Lab Ltd | $2.7M 96,389 shares | -18% | +41% from low-25% from high | |
| 28Weak | Zai Lab Ltd | $3.0M 100,000 shares | -19% | +44% from low-24% from high | |
| 35Weak | Zai Lab Ltd | $98k 2,945 shares | -1% | +56% from low-17% from high | |
| 37Weak | Zai Lab Ltd | $208k 5,808 shares | -1% | +79% from low-5% from high | |
| 35Weak | Zai Lab Ltd | $3.3M 96,389 shares | -18% | - | |
| 35Weak | Zai Lab Ltd | $3.3M 100,000 shares | -18% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 11, 2026 | ZLAB Zai Lab Ltd | AGrant or award Stock Options (Right to Buy)derivative | +353,430 | $0.00 | $0 | 353,430 | Mar 16, 2026 |
| Mar 11, 2026 | ZLAB Zai Lab Ltd | AGrant or award Restricted Share Unitsderivative | +32,419 | $0.00 | $0 | 32,419 | Mar 16, 2026 |
| Mar 10, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +261,092 | $1.74 | $454k | 1,225,253 | Mar 12, 2026 |
| Mar 10, 2026 | ZLAB Zai Lab Ltd | FTax withholding American Depositary Shares10b5-1 | -116,936 | $19.41 | $2.3M | 1,108,317 | Mar 12, 2026 |
| Mar 10, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +2,655 | - | - | 1,110,972 | Mar 12, 2026 |
| Mar 11, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -1,067 | $19.08 | $20k | 1,109,905 | Mar 12, 2026 |
| Mar 10, 2026 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -261,092 | $0.00 | $0 | 461,092 | Mar 12, 2026 |
| Mar 10, 2026 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative10b5-1 | -2,655 | $0.00 | $0 | 7,965 | Mar 12, 2026 |
| Mar 6, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $1.74 | $87k | 1,014,161 | Mar 10, 2026 |
| Mar 6, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $19.42 | $971k | 964,161 | Mar 10, 2026 |
| Mar 9, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $1.74 | $87k | 1,014,161 | Mar 10, 2026 |
| Mar 9, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $19.03 | $951k | 964,161 | Mar 10, 2026 |
| Mar 6, 2026 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 772,184 | Mar 10, 2026 |
| Mar 9, 2026 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 722,184 | Mar 10, 2026 |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $1.74 | $87k | 1,014,161 | Mar 6, 2026 |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -14,290 | $18.78 | $268k | 999,871 | Mar 6, 2026 |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -35,710 | $19.32 | $690k | 964,161 | Mar 6, 2026 |
| Mar 5, 2026 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $1.74 | $87k | 1,014,161 | Mar 6, 2026 |
| Mar 5, 2026 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $19.22 | $961k | 964,161 | Mar 6, 2026 |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 872,184 | Mar 6, 2026 |
| Mar 5, 2026 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 822,184 | Mar 6, 2026 |
| Dec 10, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -303,378 | $0.00 | $0 | 586,641 | Dec 12, 2025 |
| Dec 11, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | +377,520 | $0.00 | $0 | 964,161 | Dec 12, 2025 |
| Aug 29, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +604,376 | $1.20 | $725k | 1,141,338 | Sep 3, 2025 |
| Aug 29, 2025 | ZLAB Zai Lab Ltd | FTax withholding American Depositary Shares | -251,319 | $32.59 | $8.2M | 890,019 | Sep 3, 2025 |
| Aug 29, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative | -604,376 | $0.00 | $0 | 0 | Sep 3, 2025 |
| Aug 12, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 586,962 | Aug 14, 2025 |
| Aug 12, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $34.25 | $1.7M | 536,962 | Aug 14, 2025 |
| Aug 13, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +46,387 | $0.60 | $28k | 583,349 | Aug 14, 2025 |
| Aug 13, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -46,387 | $35.47 | $1.6M | 536,962 | Aug 14, 2025 |
| Aug 12, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 46,387 | Aug 14, 2025 |
| Aug 13, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -46,387 | $0.00 | $0 | 0 | Aug 14, 2025 |
| Aug 8, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 586,962 | Aug 12, 2025 |
| Aug 8, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $34.74 | $1.7M | 536,962 | Aug 12, 2025 |
| Aug 11, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 586,962 | Aug 12, 2025 |
| Aug 11, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -50,000 | $34.64 | $1.7M | 536,962 | Aug 12, 2025 |
| Aug 8, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 146,387 | Aug 12, 2025 |
| Aug 11, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 96,387 | Aug 12, 2025 |
| Jul 2, 2025 | ZLAB Zai Lab Ltd | AGrant or award Restricted Share Unitsderivative | +44,194 | $0.00 | $0 | 44,194 | Jul 7, 2025 |
| Jul 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +18,000 | - | - | 544,034 | Jul 3, 2025 |
| Jul 2, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -7,072 | $35.23 | $249k | 536,962 | Jul 3, 2025 |
| Jul 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -18,000 | $0.00 | $0 | 54,000 | Jul 3, 2025 |
| Jun 27, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +17,970 | - | - | 532,952 | Jul 1, 2025 |
| Jun 30, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -6,918 | $35.52 | $246k | 526,034 | Jul 1, 2025 |
| Jun 27, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -17,970 | $0.00 | $0 | 35,940 | Jul 1, 2025 |
| Jun 25, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +58,800 | - | - | 538,651 | Jun 27, 2025 |
| Jun 26, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -23,669 | $36.13 | $855k | 514,982 | Jun 27, 2025 |
| Jun 25, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -58,800 | $0.00 | $0 | 58,800 | Jun 27, 2025 |
| May 13, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 529,851 | May 15, 2025 |
| May 13, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -47,780 | $28.56 | $1.4M | 482,071 | May 15, 2025 |
| May 13, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -2,220 | $28.89 | $64k | 479,851 | May 15, 2025 |
| May 14, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +46,389 | $0.60 | $28k | 526,240 | May 15, 2025 |
| May 14, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -46,006 | $28.08 | $1.3M | 480,234 | May 15, 2025 |
| May 14, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -383 | $28.83 | $11k | 479,851 | May 15, 2025 |
| May 13, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 242,776 | May 15, 2025 |
| May 14, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -46,389 | $0.00 | $0 | 196,387 | May 15, 2025 |
| May 9, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 529,851 | May 13, 2025 |
| May 9, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -46,362 | $29.58 | $1.4M | 483,489 | May 13, 2025 |
| May 9, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -3,638 | $30.16 | $110k | 479,851 | May 13, 2025 |
| May 12, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 529,851 | May 13, 2025 |
| May 12, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -49,384 | $29.44 | $1.5M | 480,467 | May 13, 2025 |
| May 12, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -616 | $29.92 | $18k | 479,851 | May 13, 2025 |
| May 9, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 342,776 | May 13, 2025 |
| May 12, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 292,776 | May 13, 2025 |
| Apr 3, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +6,750 | - | - | 482,796 | Apr 7, 2025 |
| Apr 4, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -2,945 | $33.11 | $98k | 479,851 | Apr 7, 2025 |
| Apr 3, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -6,750 | $0.00 | $0 | 20,250 | Apr 7, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +10,800 | - | - | 478,454 | Apr 3, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +3,400 | - | - | 481,854 | Apr 3, 2025 |
| Apr 2, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -5,808 | $35.89 | $208k | 476,046 | Apr 3, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -10,800 | $0.00 | $0 | 21,600 | Apr 3, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -3,400 | $0.00 | $0 | 3,400 | Apr 3, 2025 |
| Mar 14, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -5,651 | $0.00 | $0 | 488,466 | Mar 18, 2025 |
| Mar 14, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -10,406 | $0.00 | $0 | 478,060 | Mar 18, 2025 |
| Mar 14, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -3,885 | $0.00 | $0 | 474,175 | Mar 18, 2025 |
| Mar 17, 2025 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -6,521 | $0.00 | $0 | 467,654 | Mar 18, 2025 |
| Mar 10, 2025 | ZLAB Zai Lab Ltd | AGrant or award Stock Options (Right to Buy)derivative | +252,585 | $0.00 | $0 | 252,585 | Mar 12, 2025 |
| Mar 10, 2025 | ZLAB Zai Lab Ltd | AGrant or award Restricted Share Unitsderivative | +10,620 | $0.00 | $0 | 10,620 | Mar 12, 2025 |
| Mar 4, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 544,117 | Mar 6, 2025 |
| Mar 4, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -6,665 | $32.69 | $218k | 537,452 | Mar 6, 2025 |
| Mar 4, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -37,752 | $33.55 | $1.3M | 499,700 | Mar 6, 2025 |
| Mar 4, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -5,583 | $33.99 | $190k | 494,117 | Mar 6, 2025 |
| Mar 5, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +46,389 | $0.60 | $28k | 540,506 | Mar 6, 2025 |
| Mar 5, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -21,093 | $35.20 | $742k | 519,413 | Mar 6, 2025 |
| Mar 5, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -25,296 | $35.84 | $907k | 494,117 | Mar 6, 2025 |
| Mar 4, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 439,165 | Mar 6, 2025 |
| Mar 5, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -46,389 | $0.00 | $0 | 392,776 | Mar 6, 2025 |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 544,117 | Mar 4, 2025 |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -2,857 | $33.59 | $96k | 541,260 | Mar 4, 2025 |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -46,943 | $34.52 | $1.6M | 494,317 | Mar 4, 2025 |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -200 | $35.06 | $7,011 | 494,117 | Mar 4, 2025 |
| Mar 3, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares10b5-1 | +50,000 | $0.60 | $30k | 544,117 | Mar 4, 2025 |
| Mar 3, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -23,110 | $31.75 | $734k | 521,007 | Mar 4, 2025 |
| Mar 3, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -24,280 | $32.99 | $801k | 496,727 | Mar 4, 2025 |
| Mar 3, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares10b5-1 | -2,610 | $33.50 | $87k | 494,117 | Mar 4, 2025 |
| Feb 28, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 539,165 | Mar 4, 2025 |
| Mar 3, 2025 | ZLAB Zai Lab Ltd | MOption exercise Stock Options (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 489,165 | Mar 4, 2025 |
| Dec 11, 2024 | ZLAB Zai Lab Ltd | GGift American Depositary Shares | -500,000 | $0.00 | $0 | 494,117 | Dec 13, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.