Insider selling is minuscule and routine; no material signal for the stock. Monitor for any acceleration in insider sales or larger transactions that could indicate a change in sentiment.
Price Chart
Executive Summary
Two Zai Lab insiders (CEO and CLO) sold a combined $1.02M in open-market sales, less than 0.05% of market cap. These sales are trivial in size and are associated with CEO's derivative exercises and tax withholding, indicating routine portfolio management rather than a bearish signal.
Key Financial Metrics
Key Facts
- CEO Du Ying sold 50,000 shares at ~$19.00 for $950K on 2026-05-18
- CLO Edmondson Frazor Titus III sold 3,500 shares at $20.19 for $71K on 2026-05-14
- Total open-market sales of $1.02M represent less than 0.05% of $2.1B market cap
- CEO also exercised derivatives and surrendered shares for tax withholding, which are non-cash events
Financial Impact
Total insider selling of $1.02M, immaterial relative to $2.1B market cap
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ZLAB-1779394797831 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 21, 2026 6w ago | Insider Cluster | $26.01 $26.08 | ▲ +0.27% | ▼ −0.20% | $24.33 (−6.46%) |
Aug 13, 2026 7w ago | Insider Cluster | $26.03 $26.02 | ▼ −0.04% | ▲ +1.93% | $24.33 (−6.53%) |
Aug 13, 2026 7w ago | Insider Cluster | $26.03 $26.02 | ▼ −0.04% | ▲ +1.93% | $24.33 (−6.53%) |
Aug 12, 2026 7w ago | 144 | $25.49 $26.72 | ▲ +4.83% | ▲ +5.27% | $24.33 (−4.55%) |
Jul 1, 2026 13w ago | Insider Cluster | $19.15 $19.35 | ▲ +1.04% | ▲ +0.78% | $24.33 (+27.05%) |
Jun 29, 2026 13w ago | Insider Cluster | $19.00 $19.08 | ▲ +0.42% | ▼ −0.18% | $24.33 (+28.05%) |
Jun 11, 2026 16w ago | Institutional Cluster | $17.64 $17.88 | ▼ −1.36% | ▼ −0.93% | $24.33 (−37.93%) |
May 21, 2026 19w ago | 8-K | $18.61 $17.09 | ▼ −8.17% | ▼ −9.83% | $24.33 (+30.74%) |
May 19, 2026 19w ago | Insider Cluster | $18.81 $18.69 | ▼ −0.64% | ▼ −1.88% | $24.33 (+29.35%) |
May 19, 2026 19w ago | Insider Cluster | $18.81 $18.69 | ▲ +0.64% | ▲ +1.88% | $24.33 (−29.35%) |
US Market Status
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