The activity is consistent with routine equity compensation management and tax settlement. Traders should monitor for any follow-up open-market selling beyond tax-related dispositions.
Price Chart
Executive Summary
Zai Lab CEO Du Ying exercised stock options and sold a small number of shares in the open market, while a significant number of shares were surrendered to cover tax obligations related to equity awards. The majority of transactions were non-cash events tied to equity compensation.
Key Financial Metrics
Key Facts
- CEO Du Ying exercised derivatives for 524,839 shares (two tranches of 261,092 and one of 2,655) with a total intrinsic value of $454,300.08.
- 32,419 and 353,430 shares were granted to Du Ying at $0, representing non-cash equity awards.
- Du Ying sold 1,067 shares in the open market for $20,363, a minimal amount relative to holdings.
- 116,936 shares were surrendered to cover taxes (code F) valued at $2.27M, a common practice during equity vesting.
- All transactions occurred within a 7-day window, forming an insider trading cluster.
Financial Impact
$2.73M in total economic activity, primarily from tax withholding and option exercises; only $20.4K in open-market selling.
Risk Factors
- Perception of insider selling, though most was non-cash tax withholding.
- Potential dilution from newly issued shares underlying exercised options and awards.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (7 trades, 7d window) | cluster-ZLAB-1773691614879 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 21, 2026 6w ago | Insider Cluster | $26.01 $26.08 | โฒ +0.27% | โผ โ0.20% | $24.33 (โ6.46%) |
Aug 13, 2026 7w ago | Insider Cluster | $26.03 $26.02 | โผ โ0.04% | โฒ +1.93% | $24.33 (โ6.53%) |
Aug 13, 2026 7w ago | Insider Cluster | $26.03 $26.02 | โผ โ0.04% | โฒ +1.93% | $24.33 (โ6.53%) |
Aug 12, 2026 7w ago | 144 | $25.49 $26.72 | โฒ +4.83% | โฒ +5.27% | $24.33 (โ4.55%) |
Jul 1, 2026 13w ago | Insider Cluster | $19.15 $19.35 | โฒ +1.04% | โฒ +0.78% | $24.33 (+27.05%) |
Jun 29, 2026 13w ago | Insider Cluster | $19.00 $19.08 | โฒ +0.42% | โผ โ0.18% | $24.33 (+28.05%) |
Jun 11, 2026 16w ago | Institutional Cluster | $17.64 $17.88 | โผ โ1.36% | โผ โ0.93% | $24.33 (โ37.93%) |
May 21, 2026 19w ago | 8-K | $18.61 $17.09 | โผ โ8.17% | โผ โ9.83% | $24.33 (+30.74%) |
May 19, 2026 19w ago | Insider Cluster | $18.81 $18.69 | โผ โ0.64% | โผ โ1.88% | $24.33 (+29.35%) |
May 19, 2026 19w ago | Insider Cluster | $18.81 $18.69 | โฒ +0.64% | โฒ +1.88% | $24.33 (โ29.35%) |
US Market Status
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