Stump David C insider trades
Stump David C has filed 11 Form 4s with the SEC that we hold, for Macrogenics INC (MGNX) (Director) and REGENXBIO Inc. (RGNX) (Director). None of these filings reports a purchase (code P) or sale (code S) of common stock; they cover grants, option exercises and other codes. The first filing on our record is dated 2022-05-23 and the latest 2026-06-02.
Macrogenics INC (MGNX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
REGENXBIO Inc. (RGNX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1191235) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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