ZLAB Zai Lab Ltd
Price Chart
Executive Summary
Zai Lab's CEO Du Ying exercised and sold shares across multiple transactions, generating $1.92M from open-market sales. The activity was part of a broader insider cluster involving derivative exercises and sales, with the CEO accounting for the vast majority of the economic value. A senior legal executive also sold nearly $300K in stock.
Key Financial Metrics
Actionable Insight
Traders should monitor for potential downward pressure on the stock, especially if this selling continues. The concentration of sales among top executives—particularly the CEO—raises concerns about confidence in near-term prospects despite the relatively small percentage of market cap involved.
Key Facts
- CEO Du Ying sold 100,000 shares in two open-market transactions for $1.92M ($951,465 on 2026-03-09 and $970,935 on 2026-03-06)
- Du Ying exercised 300,000 derivative securities across the week, with 150,000 at $0 and 150,000 at $1.74 strike price
- Chief Legal Officer Edmondson Frazor Titus III sold 15,569 shares for $296,745
- Total open-market sale value by insiders: $2.22M over 7 days
- All transactions occurred within a 7-day window, indicating coordinated activity
Financial Impact
$2.22M in insider sales, representing ~0.11% of ZLAB's $2.1B market cap
Risk Factors
- Perceived lack of confidence from top leadership, especially the CEO
- Potential for follow-on selling by other insiders
- Market interpretation of the activity as profit-taking ahead of uncertain catalysts
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (11 trades, 7d window) | cluster-ZLAB-1773173329294 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 21, 2026
19d ago
|
8-K
| $18.61 $17.09 | ▼ −8.17% | ▼ −9.83% | $16.65 (−10.53%) |
|
May 19, 2026
21d ago
|
Insider Cluster
| $18.81 $18.69 | ▼ −0.64% | ▼ −1.88% | $16.65 (−11.48%) |
|
May 19, 2026
21d ago
|
Insider Cluster
| $18.81 $18.69 | ▲ +0.64% | ▲ +1.88% | $16.65 (+11.48%) |
|
May 7, 2026
4w ago
|
8-K
| $19.77 $20.47 | ▼ −3.57% | ▼ −2.06% | $16.65 (+15.76%) |
|
Apr 28, 2026
6w ago
|
DEFA14A
| $22.14 $20.98 | ▼ −5.24% | ▼ −6.93% | $16.65 (−24.80%) |
|
Apr 6, 2026
9w ago
|
144
| $20.50 $21.34 | ▲ +4.10% | ▼ −0.04% | $16.65 (−18.78%) |
|
Apr 6, 2026
9w ago
|
144
| $20.50 $21.34 | ▲ +4.10% | ▼ −0.04% | $16.65 (−18.78%) |
|
Mar 11, 2026
13w ago
|
Insider Cluster
| $19.47 awaiting T+5 | awaiting T+5 | — | $16.65 (+14.46%) |
|
Mar 5, 2026
13w ago
|
Insider Cluster
| $19.30 awaiting T+5 | awaiting T+5 | — | $16.65 (−13.73%) |
|
Mar 3, 2026
14w ago
|
Insider Cluster
| $18.45 awaiting T+5 | awaiting T+5 | — | $16.65 (−9.76%) |
US Market Status
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