InsiderTrades

Smiley Joshua L

SEC CIK 1725189 · EDGAR

Buying vs selling by month open-market trades, last 35 months, ZLAB
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ZLABZai Lab LtdSee Remarks 117.6K $670.0K $1.17M 222023-08-152026-04-06

Most active insiders at ZLAB, 12 months

#InsiderTitleBoughtSold
1 Du YingCOB, CEO, Dir —$8.58M
2 Edmondson Frazor Titus IIICLO —$1.01M
3 Amado RafaelSee Remarks —$675.0K
4 Lis WilliamDir —$340.0K
5 Smiley Joshua LSee Remarks —$294.3K
6 Chen YajingCFO —$239.3K
7 GAYNOR RICHARDDir $65.8K—
8 Leung NisaDir ——
9 Vounatsos MichelDir ——
10 Morrison Scott WDir ——

Transactions 22

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-04-08 19:35 2026-04-06 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks S - Sale $20.45 -3,017 117.6K -3% -$61.7K
DM 2026-04-03 17:59 2026-04-01+ ZLAB Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +39.2K 130.2K +43% —
D 2026-04-03 17:59 2026-04-02 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks S - Sale+OE $20.39 -9,614 120.6K -7% -$196.0K
D 2026-03-16 2026-03-12 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +6,388 93.0K +7% —
D 2026-03-16 2026-03-13 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks S - Sale+OE $18.63 -1,966 91.0K -2% -$36.6K
2025-09-12 2025-09-10 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks P - Purchase $28.91 +10.0K 86.6K +13% +$289.1K
D 2025-08-19 2025-08-15 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +15.9K 83.2K +24% —
D 2025-08-19 2025-08-18 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks S - Sale+OE $36.24 -6,641 76.6K -8% -$240.7K
D 2025-04-07 2025-04-04 ZLAB Zai Lab Ltd 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 Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +7,145 70.7K +11% —
D 2025-04-03 2025-04-02 ZLAB Zai Lab Ltd 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 Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +32.1K 75.3K +74% —
D 2024-08-19 2024-08-16 ZLAB Zai Lab Ltd 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 Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +15.9K 47.6K +50% —
T 2024-05-15 2024-05-13 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks P - Purchase $21.40 +3,000 31.7K +10% +$64.2K
D 2024-04-05 2024-04-04 ZLAB Zai Lab Ltd 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 Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx $15.90 +7,145 30.7K +30% +$113.6K
T 2024-03-04 2024-03-01 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks P - Purchase $20.83 +3,000 23.5K +15% +$62.5K
T 2023-12-18 2023-12-14 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks P - Purchase $29.90 +4,000 20.5K +24% +$119.6K
T 2023-11-16 2023-11-16 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks P - Purchase $26.93 +5,000 16.5K +43% +$134.7K
D 2023-08-17 2023-08-15 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks F - Tax $24.52 -4,373 11.5K -28% -$107.2K
D 2023-08-17 2023-08-15 ZLAB Zai Lab Ltd Smiley Joshua L See Remarks M - OptEx — +15.9K 15.9K New —

Purchase Sale Sale after option exercise All abbreviations