Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Catherine J. Mackey 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.
- Jeffrey Stein - $1.65M in IDYA purchases and sales in the last 12 months
- Yujiro S. Hata - $985K in IDYA purchases and sales in the last 12 months
- Briseno Andres Ruiz - $382K in IDYA purchases and sales in the last 12 months
- Alfred Sandrock - $184K in VYGR purchases and sales in the last 12 months
- Robin Swartz - $55K in VYGR purchases and sales in the last 12 months
- Todd Alfred Carter - $41K in VYGR purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Catherine J. Mackey?
Catherine J. Mackey is a corporate insider of IDEAYA Biosciences, Inc. (IDYA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Catherine J. Mackey last file a Form 4?
The most recent primary Form 4 on record is dated 18 June 2026, one of 3 filings going back to 2024.