ZLAB Zai Lab Ltd
Price Chart
Executive Summary
A recent insider trading cluster at Zai Lab includes open-market sales by the Chief Legal Officer and a board member, alongside a non-cash derivative exercise by CEO Du Ying. The total open-market selling amounts to $470,545, representing a modest 0.02% of the company's $2.1B market cap.
Key Financial Metrics
Actionable Insight
The selling is modest and concentrated among two individuals, with no indication of coordinated exit. The CEO's activity was non-cash, so not indicative of profit-taking. Monitor for follow-up trades or commentary ahead of next earnings.
Key Facts
- Chief Legal Officer Edmondson Frazor Titus III sold $296,745 worth of shares in an open-market transaction.
- Board member Amado Rafael sold $173,800 in shares on the open market.
- CEO Du Ying exercised derivatives for 100,000 shares at $1.74 (total value $174,000), but these were non-cash transactions (code M), likely related to option expirations or vesting.
- Total open-market selling: $470,545 (0.02% of $2.1B market cap), which is below the 0.1% threshold for materiality.
Financial Impact
$470,545 in net open-market selling over 7 days
Risk Factors
- Perception risk from consecutive insider sales, even if small in magnitude.
- Lack of buying activity in the cluster — no offsetting insider accumulation.
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (4 trades, 7d window) | cluster-ZLAB-1772832404015 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
1d ago
|
Institutional Cluster
| $17.66 awaiting T+5 | awaiting T+5 | — | $17.07 (+3.31%) |
|
May 21, 2026
22d ago
|
8-K
| $18.61 $17.09 | ▼ −8.17% | ▼ −9.83% | $17.07 (−8.28%) |
|
May 19, 2026
24d ago
|
Insider Cluster
| $18.81 $18.69 | ▼ −0.64% | ▼ −1.88% | $17.07 (−9.25%) |
|
May 19, 2026
24d ago
|
Insider Cluster
| $18.81 $18.69 | ▲ +0.64% | ▲ +1.88% | $17.07 (+9.25%) |
|
May 7, 2026
5w ago
|
8-K
| $19.77 $20.47 | ▼ −3.57% | ▼ −2.06% | $17.07 (+13.64%) |
|
Apr 28, 2026
6w ago
|
DEFA14A
| $22.14 $20.98 | ▼ −5.24% | ▼ −6.93% | $17.07 (−22.90%) |
|
Apr 6, 2026
9w ago
|
144
| $20.50 $21.34 | ▲ +4.10% | ▼ −0.04% | $17.07 (−16.73%) |
|
Apr 6, 2026
9w ago
|
144
| $20.50 $21.34 | ▲ +4.10% | ▼ −0.04% | $17.07 (−16.73%) |
|
Mar 11, 2026
13w ago
|
Insider Cluster
| $19.47 awaiting T+5 | awaiting T+5 | — | $17.07 (+12.30%) |
|
Mar 5, 2026
14w ago
|
Insider Cluster
| $19.30 awaiting T+5 | awaiting T+5 | — | $17.07 (−11.55%) |
US Market Status
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