144 ·Filed Apr 6, 2026

ZLAB

Zai Lab Ltd
NEUTRAL
Impact 3/10
Horizondays Processed5mo ago SEC0001959173-26-002785
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a routine, tax-driven sale following equity vesting and not an indicator of negative sentiment. Traders should monitor for actual execution of the sale and compare with insider buying patterns, but no immediate action is warranted.

DirectionNeutral
Confidencehigh
Horizondays
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, 03:11 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

Rafael Amado, an officer of Zai Lab, filed a Form 144 to notify intent to sell 2,739 American Depositary Shares (ADS) valued at approximately $307,141. The shares are being sold following a restricted stock vesting event, with part of the proceeds used to cover tax obligations from the vesting.

Key Facts

  • Rafael Amado, an officer, intends to sell 2,739 ADSs of Zai Lab.
  • The sale is related to a restricted stock vesting event on April 2, 2026.
  • Proceeds will cover tax obligations arising from the vesting and settlement of equity awards.
  • Total value of the proposed sale is $307,141 based on recent market price.
  • This follows prior small sales by Amado in March and early April 2026 totaling ~$231,000.

Financial Impact

Approximately $307,141 in shares proposed for sale, representing a routine post-vesting tax-related disposition.

insider ownershipshare count outstanding (potential minor dilution if not offset)

Risk Factors

  • Perception of insider selling could weigh on sentiment if misinterpreted by retail investors.
  • Repeated sales by the same insider may signal reduced confidence if not properly contextualized.

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)0001959173-26-002785
Document: 0001959173-26-002785-index.html0001959173-26-002785
Document: 0001959173-26-002785.txt0001959173-26-002785
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 27m)

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