David C. Stump

Companies

• REGENXBIO Inc.Board member Oct 15, 2015 to now¹
• MACROGENICS INCBoard member Oct 9, 2013 to now²
• Viracta Therapeutics, Inc.Board member Jul 10, 2006 to Jul 1, 2020³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• RREGENXBIO Inc. RGNX28,861 shares⁴$206.8K at $7.17May 29, 2026
• MMACROGENICS INC MGNX14,750 shares⁵$49.7K at $3.37May 18, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 29, 2026Granted 9,807 shares of REGENXBIO Inc.⁴
• May 18, 2026Exercised options 3,750 shares of MACROGENICS INC⁵
• May 30, 2025Granted 7,768 shares of REGENXBIO Inc.⁶
• May 20, 2025Exercised options 6,500 shares of MACROGENICS INC⁷
• May 31, 2024Granted 4,790 shares of REGENXBIO Inc.⁸
• May 20, 2024Exercised options 4,500 shares of MACROGENICS INC⁹
• Jun 2, 2023Granted 3,486 shares of REGENXBIO Inc.¹⁰
• Jun 3, 2022Granted 3,010 shares of REGENXBIO Inc.¹¹