secwatch.observer — SEC 8-K summary
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Issuer:     Zai Lab Ltd (ZLAB)
CIK:        0001704292
Form:       8-K
Filed at:   2026-05-21T21:18:49+00:00
Accession:  0001628280-26-037387
Event type: leadership
Sentiment:  neutral
Materiality: 0.55
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Zai Lab President & COO Josh Smiley departs; responsibilities absorbed by CEO
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- Josh Smiley ceases as President and COO effective May 18, 2026; last day is May 22, 2026.
- CEO Samantha Du and management team assume his responsibilities.
- Smiley receives severance under his existing employment agreement subject to release.
- No replacement named; Du retains roles as Board Chair, Founder and CEO.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1704292/000162828026037387/0001628280-26-037387-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1704292/000162828026037387/zlab-20260518.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-037387

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer