Jay Philip Siegel
Director · MACROGENICS INC
Individual
- 2025
- May 20, 2026
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jay Philip Siegel 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 Stuart Peters - $129K in MGNX purchases and sales in the last 12 months
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Frequently asked questions
Who is Jay Philip Siegel?
Jay Philip Siegel is a corporate insider, tracked as Director of MACROGENICS INC (MGNX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jay Philip Siegel last file a Form 4?
The most recent primary Form 4 on record is dated 20 May 2026, one of 2 filings going back to 2025.
