Insider · CIK 0001725189
Joshua L Smiley
officer
Files at ZLAB (Zai Lab Ltd). First filing Apr 3, 2025, latest Sep 12, 2025.
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
1 / 3
$289k bought, $773k 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 |
|---|---|---|---|---|---|
| 40Moderate | ZLABbuy Zai Lab Ltd | $289k 10,000 shares | +13% | +40% from low-34% from high | |
| 28Weak | Zai Lab Ltd | $241k 6,641 shares | -8% | +75% from low-17% from high | |
| 25Weak | Zai Lab Ltd | $111k 3,354 shares | -5% | +56% from low-17% from high | |
| 36Weak | Zai Lab Ltd | $421k 11,740 shares | -16% | +79% from low-5% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 10, 2025 | ZLAB Zai Lab Ltd | POpen-market purchase American Depositary Shares | +10,000 | $28.91 | $289k | 86,604 | Sep 12, 2025 |
| Aug 15, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +15,900 | - | - | 83,245 | Aug 19, 2025 |
| Aug 18, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -6,641 | $36.24 | $241k | 76,604 | Aug 19, 2025 |
| Aug 15, 2025 | ZLAB Zai Lab Ltd | MOption exercise Restricted Share Unitsderivative | -15,900 | $0.00 | $0 | 31,800 | Aug 19, 2025 |
| Apr 3, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +7,145 | - | - | 70,699 | Apr 7, 2025 |
| Apr 4, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -3,354 | $33.11 | $111k | 67,345 | Apr 7, 2025 |
| Apr 3, 2025 | ZLAB Zai Lab Ltd | AGrant or award Restricted Share Unitsderivative | -7,145 | $0.00 | $0 | 14,290 | Apr 7, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | MOption exercise American Depositary Shares | +32,062 | - | - | 75,294 | Apr 3, 2025 |
| Apr 2, 2025 | ZLAB Zai Lab Ltd | SOpen-market sale American Depositary Shares | -11,740 | $35.89 | $421k | 63,554 | Apr 3, 2025 |
| Apr 1, 2025 | ZLAB Zai Lab Ltd | AGrant or award Restricted Share Unitsderivative | -32,062 | $0.00 | $0 | 96,187 | Apr 3, 2025 |
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.