Summary
Updated Aug 30, 2026
Peter Wirth files SEC Form 4 reports at Zai Lab Ltd (ZLAB). 2 SEC Form 4 filings on record going back to 2025, most recently on 22 June 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Peter Wirth has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Peter Wirth go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Peter Wirth 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 Peter Wirth?
Peter Wirth is a corporate insider of Zai Lab Ltd (ZLAB). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Peter Wirth submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Peter Wirth'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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