---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-027328"
form_type: "8-K"
ticker: "ZLAB"
cik: "0001704292"
company_name: "Zai Lab Ltd"
filed_at: "2022-10-28T23:59:59+00:00"
generated_at: "2026-06-22T22:46:17.464047+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Zai Lab officer Alan Sandler resigns effective Oct 28, 2022; severance agreement signed

## Summary
- Dr. Alan Sandler resigns effective October 28, 2022 to pursue another professional opportunity.
- No disagreements between Sandler and Company regarding operations, policies, or practices.
- Severance includes annual base salary, pro-rated bonus, and a low six-figure additional payment.
- Sandler contributed to oncology programs, long-term strategy, and business development.

## SEC filing metadata
- accession: 0001628280-22-027328
- form_type: 8-K
- ticker: ZLAB
- cik: 0001704292
- company_name: Zai Lab Ltd
- filed_at: 2022-10-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/0001628280-22-027328-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/zlab-20221024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-027328
- JSON: https://secwatch.observer/filing/0001628280-22-027328.json
- Plain text: https://secwatch.observer/filing/0001628280-22-027328.txt

## Key facts
- Executive change
  Dr. Alan Sandler departed as other_named_officer at Zai Lab Ltd.
  - Action: resigning
  source text: Dr. Alan Sandler who provided notice that he is resigning from the Company, effective October 28, 2022, to pursue another professional opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/0001628280-22-027328-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.