STUMP DAVID C — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

STUMP DAVID C has filed 2 SEC Form 4 filings across 2 companies in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-02RGNXREGENXBIO Inc.A — Grant or award9.8K$0.00
2026-05-20MGNXMACROGENICS INCM — Option exercise3.8K—
2025-05-30RGNXREGENXBIO Inc.A — Grant or award7.8K$0.00
2025-05-20MGNXMACROGENICS INCM — Option exercise6.5K—

Companies — Last 90 Days

Frequently Asked Questions

Who is STUMP DAVID C?

STUMP DAVID C is a corporate insider — currently tracked as Insider of REGENXBIO Inc. (RGNX). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has STUMP DAVID C submitted recently?

2 primary Form 4 filings in the last 90 days, covering 2 companies.

Where can I see all of STUMP DAVID C'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 STUMP DAVID C profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.