ZLAB Zai Lab Ltd

BEARISH Impact: 5/10 Insider Cluster (5 insiders)
Horizon days Filed Mar 11, 2026 Processed 2mo ago
Insider cluster: 6 insiders, $0.2M total

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Executive Summary

A cluster of insider transactions at Zai Lab Ltd (ZLAB) over the past week shows one director buying $32.7K in shares while three C-suite executives — including the CFO and Chief Legal Officer — sold a combined $110.5K in stock. The net activity is modest selling, with total open-market dispositions exceeding purchases by over 3-to-1.

Key Financial Metrics

Direction
selling
Total Value
$78.5K
Insiders
5

Actionable Insight

Monitor for potential downward pressure on sentiment given coordinated C-suite selling, especially if followed by additional divestitures or weak earnings. The modest size limits immediate impact, but the concentration among senior executives is a cautionary signal.

Key Facts

  • Director Richard Gaynor purchased 1,731 shares for $32,733 in an open-market transaction.
  • CFO Yajing Chen sold 1,703 shares for $31,723, Chief Legal Officer Titus Edmondson sold 1,281 shares for $23,862, and executive Joshua Smiley sold 1,966 shares for $36,623.
  • All sales occurred on March 13, 2026, at $18.628 per share, totaling $111,209 in open-market selling by insiders.
  • Total net open-market value: $78,476 in sales after purchase, representing 0.0037% of ZLAB's $2.1B market cap.
  • Selling was concentrated among senior executives, including two C-suite officers.

Financial Impact

$78.5K net open-market selling by insiders, driven by C-suite executives

insider sentimentshareholder confidence

Risk Factors

  • Perception of insider lack of confidence, particularly with CFO and legal chief selling simultaneously.
  • Risk of negative interpretation if no offsetting positive news emerges in near term.

Market Snapshot

Exchange
Nasdaq

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (5 trades, 7d window)cluster-ZLAB-1773950780276
14 reports for ZLAB
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for ZLAB — sortable, filterable
Type Now
Jun 11, 2026
1d ago
Institutional Cluster
BEARISH ★ 5/10
$17.66 awaiting T+5awaiting T+5$17.07 (+3.31%)
May 21, 2026
22d ago
8-K
NEUTRAL ★ 4/10
$18.61 $17.09▼ −8.17%▼ −9.83%$17.07 (−8.28%)
May 19, 2026
24d ago
Insider Cluster
NEUTRAL ★ 3/10
$18.81 $18.69▼ −0.64%▼ −1.88%$17.07 (−9.25%)
May 19, 2026
24d ago
Insider Cluster
BEARISH ★ 6/10
$18.81 $18.69▲ +0.64%▲ +1.88%$17.07 (+9.25%)
May 7, 2026
5w ago
8-K
BEARISH ★ 6/10
$19.77 $20.47▼ −3.57%▼ −2.06%$17.07 (+13.64%)
Apr 28, 2026
6w ago
DEFA14A
NEUTRAL ★ 2/10
$22.14 $20.98▼ −5.24%▼ −6.93%$17.07 (−22.90%)
Apr 6, 2026
9w ago
144
NEUTRAL ★ 3/10
$20.50 $21.34▲ +4.10%▼ −0.04%$17.07 (−16.73%)
Apr 6, 2026
9w ago
144
NEUTRAL ★ 3/10
$20.50 $21.34▲ +4.10%▼ −0.04%$17.07 (−16.73%)
Mar 11, 2026
13w ago
Insider Cluster
BEARISH ★ 5/10
$19.47 awaiting T+5awaiting T+5$17.07 (+12.30%)
Mar 5, 2026
14w ago
Insider Cluster
NEUTRAL ★ 4/10
$19.30 awaiting T+5awaiting T+5$17.07 (−11.55%)
Showing 10 of 14

US Market Status

Market Closed — Opens Mon (47h 23m)

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