REGENERON PHARMACEUTICALS, INC.
REGN
14 insider filings · Latest: Oct 13, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Feb 9, 2026 | Feb 11 9:02 PM | Arthur F RyanDirector | Sale | 100 | $778.53 | $77.9K | 17,803(D) | View → |
| Feb 9, 2026 | Feb 9 10:02 PM | Arthur F. Ryan | Proposed Sale | 400 | $785.51 | $314.2K | — | View → |
| Feb 9, 2026 | Feb 9 9:03 PM | Pitofsky Jason | Proposed Sale | 2,036 | $783.17 | $1.6M | — | View → |
| Jan 7, 2026 | Jan 7 5:03 PM | Bassler Bonnie L | Proposed Sale | 1,500 | $800.00 | $1.2M | — | View → |
| Nov 20, 2025 | Nov 20 7:31 PM | Bassler Bonnie L | Proposed Sale | 760 | $750.00 | $570.0K | — | View → |
| Nov 7, 2025 | Nov 7 10:06 PM | Jason Pitofsky | Proposed Sale | 431 | $651.00 | $280.6K | — | View → |
| Oct 29, 2025 | Oct 29 8:36 PM | Christine Poon | Proposed Sale | 6,500 | $652.91 | $4.2M | — | View → |
| Nov 1, 2024 | Nov 1 8:38 PM | MARION E MCCOURT | Proposed Sale | 1,000 | $844.61 | $844.6K | — | View → |
| Oct 1, 2024 | Oct 1 8:13 PM | MARION E MCCOURT | Proposed Sale | 1,000 | $1,054.06 | $1.1M | — | View → |
| Sep 3, 2024 | Sep 3 8:04 PM | MARION E MCCOURT | Proposed Sale | 1,000 | $1,178.73 | $1.2M | — | View → |
| Aug 28, 2024 | Aug 28 8:35 PM | Christopher Fenimore | Proposed Sale | 5,680 | $1,205.21 | $6.8M | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Oct 15 8:02 PM | Andrew J MurphyCo-Chief Scientific Officer | Option Exercise | 17,000 | $381.92 | 17,000(D) | View → |
| Sep 2, 2026 | Sep 3 8:47 PM | Kathryn GuariniDirector | Option Exercise | 400 | $719.37 | 1,158(D) | View → |
| Aug 19, 2026 | Aug 21 8:01 PM | Joseph J LarosaEVP General Counsel and Secret | Option Exercise | 12,282 | $381.92 | 12,283(D) | View → |
| Aug 18, 2026 | Aug 20 8:01 PM | Christopher R. FenimoreEVP Finance CFO | Option Exercise | 6,283 | $381.92 | 6,000(D) | View → |
| Aug 10, 2026 | Aug 12 8:16 PM | Kathryn GuariniDirector | Option Exercise | 400 | $719.37 | 1,558(D) | View → |
| Aug 10, 2026 | Aug 12 8:14 PM | Huda Y ZoghbiDirector | Option Exercise | 800 | $376.69 | 0(D) | View → |
| Feb 19, 2026 | Feb 23 9:55 PM | Huda Y ZoghbiDirector | Option Exercise | 1,638 | $376.69 | 800(D) | View → |
| Feb 9, 2026 | Feb 11 9:03 PM | Jason PitofskySVP Controller | Option Exercise | 1,000 | $492.00 | 905(D) | View → |