Summary
Updated Aug 30, 2026
James P. Boylan is Director of Zenas BioPharma, Inc. (ZBIO). 3 SEC Form 4 filings on record, most recently on 17 June 2026.
Trading Pattern
InsiderAlpha's records for James P. Boylan go back to 2026: 3 primary Form 4 filings, an average of 3.0 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 James P. Boylan 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.
- Isaac Barchas - $9.94M of IMNM open-market activity in the last 12 months
- Fairmount Funds Management LLC - $9.01M of ZBIO open-market activity in the last 12 months
- Hongbo Lu - $8.15M of ZBIO open-market activity in the last 12 months
- Leon O. Moulder Jr. - $4.89M of ZBIO open-market activity in the last 12 months
- Max Rosett - $2.52M of IMNM open-market activity in the last 12 months
- SR ONE CAPITAL MANAGEMENT, LLC - $2.40M of ZBIO 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 James P. Boylan?
James P. Boylan is a corporate insider, tracked as Director of Zenas BioPharma, Inc. (ZBIO). InsiderAlpha holds 3 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 James P. Boylan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of James P. Boylan'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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