Summary
Updated Aug 31, 2026
Richard Gaynor files SEC Form 4 reports at Zai Lab Ltd (ZLAB). 4 SEC Form 4 filings on record, most recently on 6 July 2026. Most recent open-market trade: bought $33K of ZLAB on 6 July 2026. Lifetime open-market purchases: $66K.
Recent Transactions
5Every recent SEC Form 4 transaction Richard Gaynor has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Richard Gaynor 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 of ZLAB open-market activity in the last 12 months
- Frazor Titus Edmondson III - $1.01M of ZLAB open-market activity in the last 12 months
- Rafael Amado - $675K of ZLAB open-market activity in the last 12 months
- Joshua L. Smiley - $583K of ZLAB open-market activity in the last 12 months
- William Lis - $340K of ZLAB open-market activity in the last 12 months
- Yajing Chen - $239K of ZLAB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Richard Gaynor?
Richard Gaynor is a corporate insider of Zai Lab Ltd (ZLAB). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Richard Gaynor submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Richard Gaynor been buying or selling stock?
Recorded transactions: 2 open-market purchases ($66K) and 0 open-market sales across all tracked filings.
Where can I see all of Richard Gaynor's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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