Regeneron Pharmaceuticals, Inc (REGN) insider trading
Every open-market stock purchase and sale by Regeneron Pharmaceuticals, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Healthcare.
Insider activity at a glance
- Marion McCourt (VP) and 3 others sold $3.4M in the last 90 days.
- Last insider buy: Sanofi (Insider), $13.7M, 9 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $12.9M (15 sales). Last close $843.47 on Sep 3, 2026.
Recent REGN insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 3, 2026 | Marion McCourt (VP) | Sold | $970K |
| Sep 2, 2026 | Marion McCourt (VP) | Sold | $1M |
| Sep 2, 2026 | Kathryn Guarini (Director) | Sold | $340K |
| Sep 2, 2026 | Kathryn Guarini (Director) | Bought (not open market) | — |
| Aug 19, 2026 | Joseph J Larosa (VP) | Sold (not open market) | $7.5M |
| Aug 19, 2026 | Joseph J Larosa (VP) | Bought (not open market) | — |
| Aug 18, 2026 | Christopher R. Fenimore (CFO) | Sold (not open market) | $3.7M |
| Aug 18, 2026 | Christopher R. Fenimore (CFO) | Bought (not open market) | — |
| Aug 10, 2026 | Huda Y Zoghbi (Director) | Sold | $640K |
| Aug 10, 2026 | Kathryn Guarini (Director) | Sold | $320K |
| Aug 10, 2026 | Kathryn Guarini (Director) | Bought (not open market) | — |
| Aug 10, 2026 | Huda Y Zoghbi (Director) | Bought (not open market) | — |
| Jul 2, 2026 | Arthur F Ryan (Director) | Sold | $130K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $16.9K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $10.6K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $9.9K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $4.9K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $4.3K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $3.6K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $2.8K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $1.4K |
| May 1, 2026 | Arthur F Ryan (Director) | Sold | $712 |
| Apr 1, 2026 | Arthur F Ryan (Director) | Sold | $31.2K |
| Apr 1, 2026 | Arthur F Ryan (Director) | Sold | $10.9K |
| Apr 1, 2026 | Arthur F Ryan (Director) | Sold | $10.1K |
Who's trading REGN
- Marion McCourt, VP: sold $2M (2 sales), last Sep 3, 2026
- Kathryn Guarini, Director: sold $660K (2 sales), last Sep 2, 2026
- Joseph J Larosa, VP: other filings, last Aug 19, 2026
- Christopher R. Fenimore, CFO: other filings, last Aug 18, 2026
- Huda Y Zoghbi, Director: sold $1.9M (12 sales), last Aug 10, 2026
- Arthur F Ryan, Director: sold $379K (33 sales), last Jul 2, 2026
- Jason Pitofsky, VP: sold $1.9M (12 sales), last Feb 9, 2026
- Bonnie L Bassler, Director: sold $1.8M (2 sales), last Jan 7, 2026
- Christine A Poon, Director: sold $4.3M (6 sales), last Jan 2, 2026
- N Anthony Coles, Director: other filings, last Jan 2, 2026
- Joseph L Goldstein, Director: other filings, last Jan 2, 2026
- Michael S Brown, Director: other filings, last Jan 2, 2026
- George L Sing, Director: other filings, last Jan 2, 2026
- David P Schenkein, Director: other filings, last Jan 2, 2026
- Craig B. Thompson, Director: other filings, last Jan 2, 2026
Get free alerts when an insider at Regeneron Pharmaceuticals, Inc files a new trade →