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 in PCVX purchases and sales in the last 12 months
- Jim Wassil - $3.12M in PCVX purchases and sales in the last 12 months
- Elvia Cowan - $2.08M in PCVX purchases and sales in the last 12 months
- Andrew Guggenhime - $1.64M in PCVX purchases and sales in the last 12 months
- Harpreet S. Dhaliwal - $935K in PCVX purchases and sales in the last 12 months
- Nathalie Dubois-Stringfellow - $89K in SGMO purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
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.
When did John Markels last file a Form 4?
The most recent primary Form 4 on record is dated 16 July 2026, one of 3 filings going back to 2025.