Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Pruzanski 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.
- Christine Zedelmayer - $1.27M in EQ purchases and sales in the last 12 months
- Stephen Connelly - $724K in EQ purchases and sales in the last 12 months
- Penny Tom - $200K in EQ purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Mark Pruzanski?
Mark Pruzanski is a corporate insider of Equillium, Inc. (EQ). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark Pruzanski last file a Form 4?
The only primary Form 4 on record is dated 29 May 2026.