Summary
Updated Aug 31, 2026
John Markels is Director of Vaxcyte, Inc. (PCVX). 3 SEC Form 4 filings on record going back to 2025, most recently on 16 July 2026.
Recent Transactions
1Every recent SEC Form 4 transaction John Markels has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John Markels go back to 2025: 3 primary Form 4 filings, an average of 1.5 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 John Markels 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.
- Grant Pickering - $3.63M of PCVX open-market activity in the last 12 months
- Andrew Guggenhime - $1.64M of PCVX open-market activity in the last 12 months
- Jim Wassil - $1.05M of PCVX open-market activity in the last 12 months
- Harpreet S. Dhaliwal - $935K of PCVX open-market activity in the last 12 months
- Elvia Cowan - $432K of PCVX 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 John Markels?
John Markels is a corporate insider, tracked as Director of Vaxcyte, Inc. (PCVX). InsiderAlpha holds 3 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 John Markels submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of John Markels'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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