Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies James P. Panek 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.
- Connie Matsui - $40K in STRO purchases and sales in the last 12 months
- Gregory K. Chow - $16K in STRO purchases and sales in the last 12 months
- Hans-Peter Gerber - $14K in STRO purchases and sales in the last 12 months
- Jane Chung - $10K in STRO purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is James P. Panek?
James P. Panek is a corporate insider of SUTRO BIOPHARMA, INC. (STRO). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did James P. Panek last file a Form 4?
The most recent primary Form 4 on record is dated 9 June 2026, one of 2 filings going back to 2025.