O'Brien Federica F. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

O'Brien Federica F. has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-20MGNXMACROGENICS INCM — Option exercise3.8K—
2025-05-28TELATELA Bio, Inc.A — Grant or award8.0K$0.00
2025-05-20MGNXMACROGENICS INCM — Option exercise6.5K—

Companies — Last 90 Days

Frequently Asked Questions

Who is O'Brien Federica F.?

O'Brien Federica F. is a corporate insider — currently tracked as Director of MACROGENICS INC (MGNX). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has O'Brien Federica F. submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of O'Brien Federica F.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live O'Brien Federica F. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.