Joshua L. Smiley
President and Chief Operating Officer · Zai Lab Ltd
- 2025
- Apr 8, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Joshua L. Smiley files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ying Du - $8.58M in ZLAB purchases and sales in the last 12 months
- Frazor Titus Edmondson III - $1.01M in ZLAB purchases and sales in the last 12 months
- Rafael Amado - $675K in ZLAB purchases and sales in the last 12 months
- William Lis - $340K in ZLAB purchases and sales in the last 12 months
- Yajing Chen - $224K in ZLAB purchases and sales in the last 12 months
- Richard Gaynor - $66K in ZLAB purchases and sales in the last 12 months
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Frequently asked questions
Who is Joshua L. Smiley?
Joshua L. Smiley is a corporate insider, tracked as President and Chief Operating Officer of Zai Lab Ltd (ZLAB). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Joshua L. Smiley last file a Form 4?
The most recent primary Form 4 on record is dated 8 April 2026, one of 5 filings going back to 2025.
Has Joshua L. Smiley been buying or selling stock?
Recorded transactions: 1 open-market purchase ($289K) and 4 open-market sales ($535K) across all tracked filings.
