144 ·Filed Apr 6, 2026

ZLAB

Zai Lab Ltd
NEUTRAL
Impact 3/10
Horizonimmediate Processed5mo ago SEC0001959173-26-002783
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This Form 144 reflects a standard tax-related sale following equity vesting and is not a signal of negative sentiment. Traders should monitor for any follow-on discretionary sales beyond tax settlements.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+5d ⚠ clustered
ZLAB ▲ +4.10% at T+5d
NEUTRAL call ✓ call won +4.10% · α vs SPY -0.04% · entry $20.50 → $21.34
Next anchor: T+20d due 5mo ago
Latest observation: T+15 -3.67% FF3 residual α
Entry anchored
Apr 6, 03:03 PM ET
via exchange tick
T+1d
+2.44%
call +2.44% · α +2.38%
$21.00
settled 6mo ago
T+5d
+4.10%
call +4.10% · α -0.04%
$21.34
settled 6mo ago
T+20d
—
call — · α —
—
due 5mo ago
T+60d
—
call — · α —
—
due 3mo ago

Price Chart

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Executive Summary

Yajing Chen, an officer of Zai Lab Ltd, filed a Form 144 to report the proposed sale of 853 American Depositary Shares (ADSs), valued at approximately $174,426, following the vesting of restricted stock. The sale is intended to cover tax obligations related to the vesting event.

Key Facts

  • Yajing Chen, an officer of Zai Lab, intends to sell 853 ADSs valued at $174,426.
  • The sale follows the vesting of restricted stock on April 2, 2026, and is intended to cover tax obligations.
  • This is a routine transaction tied to equity compensation settlement, not a discretionary sale.
  • Recent insider activity includes four sell transactions totaling $590K in the past 30 days.
  • Zai Lab’s market cap is $2.3B; this transaction represents a negligible portion of shares outstanding.

Financial Impact

Approximately $174,426 in shares to be sold to cover tax liabilities from equity vesting.

insider ownershipshare count outstanding (minor)

Risk Factors

  • Perception of insider selling, though contextually routine and non-discretionary.
  • Accumulation of small insider sales could signal broader sentiment if trend continues.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001959173-26-002783
Document: 0001959173-26-002783-index.html0001959173-26-002783
Document: 0001959173-26-002783.txt0001959173-26-002783
20 reports for ZLAB
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+20▲ +13.13%May 7, 2026
Filters
Rows
Reports for ZLAB — sortable, filterable
TypeNow
Aug 21, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$26.01 $26.08▲ +0.27%▼ −0.20%$24.33 (−6.46%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$26.03 $26.02▼ −0.04%▲ +1.93%$24.33 (−6.53%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$26.03 $26.02▼ −0.04%▲ +1.93%$24.33 (−6.53%)
Aug 12, 2026
7w ago
144
NEUTRAL ★ 2/10
$25.49 $26.72▲ +4.83%▲ +5.27%$24.33 (−4.55%)
Jul 1, 2026
13w ago
Insider Cluster
NEUTRAL ★ 2/10
$19.15 $19.35▲ +1.04%▲ +0.78%$24.33 (+27.05%)
Jun 29, 2026
13w ago
Insider Cluster
NEUTRAL ★ 3/10
$19.00 $19.08▲ +0.42%▼ −0.18%$24.33 (+28.05%)
Jun 11, 2026
16w ago
Institutional Cluster
BEARISH ★ 5/10
$17.64 $17.88▼ −1.36%▼ −0.93%$24.33 (−37.93%)
May 21, 2026
19w ago
8-K
NEUTRAL ★ 4/10
$18.61 $17.09▼ −8.17%▼ −9.83%$24.33 (+30.74%)
May 19, 2026
19w ago
Insider Cluster
NEUTRAL ★ 3/10
$18.81 $18.69▼ −0.64%▼ −1.88%$24.33 (+29.35%)
May 19, 2026
19w ago
Insider Cluster
BEARISH ★ 6/10
$18.81 $18.69▲ +0.64%▲ +1.88%$24.33 (−29.35%)
Showing 10 of 20

US Market Status

Market Closed — Opens Mon (39h 26m)

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