Marion McCourt - SEC Form 4 Insider Trading Activity
EVP Commercial
Summary
Updated Aug 16, 2026
Marion McCourt is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $1.90M.
Profile
Marion McCourt holds the role of EVP Commercial at REGENERON PHARMACEUTICALS, INC. (REGN). McCourt has reported 4 insider filings with the SEC since 2024. The most recent filing was in December 2024.
- Role
- EVP Commercial
Board memberships
- REGENERON PHARMACEUTICALS, INC.
Trading Pattern
InsiderAlpha's records for Marion McCourt go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. 6 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Marion McCourt has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- EVP Commercial at REGENERON PHARMACEUTICALS, INC. (REGN) - 4 filings, 2024
Recent Transactions
7Most Active Insiders Right Now
Marion McCourt has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- VisionWave Holdings, Inc. - $7.98B of SVRE open-market activity in the last 90 days
- Magnetar Financial LLC - $6.62B of CRWV open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
- SGF FANG Holdings, LP - $2.04B of FANG open-market activity in the last 90 days
- BX Mozart ML-2 Holdco L.P. - $1.22B of MDLN open-market activity in the last 90 days
- BCP 8 Holdings Mozart Manager L.L.C. - $1.22B of MDLN open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Marion McCourt?
Marion McCourt holds the role of EVP Commercial at REGENERON PHARMACEUTICALS, INC. (REGN). McCourt has reported 4 insider filings with the SEC since 2024. The most recent filing was in December 2024.…
Has Marion McCourt been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.90M) across all tracked filings.
Where can I see all of Marion McCourt'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.
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