Fenimore Christopher R. - Insider Non-Derivative Transactions at REGENERON PHARMACEUTICALS, INC. (REGN) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 8, 2025, Fenimore Christopher R.'s relationship to REGENERON PHARMACEUTICALS, INC. (REGN) is Officer (EVP Finance CFO), and currently has 18,300 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other REGN insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Fenimore Christopher R. - Insider Non-Derivative Transactions of REGN Common Stock
Fenimore Christopher R. - Insider Non-Derivative Transactions at REGN
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 9, 2025 | F -- (Common Stock) | 992 | 712.94 | 18300 |
| Dec 6, 2025 | Acquisition -- (Common Stock) | 3027 | 0 | 19292 |
| Dec 17, 2024 | F -- (Common Stock) | 491 | 730.81 | 16265 |
| Dec 10, 2024 | F -- (Common Stock) | 1140 | 787 | 16756 |
| Dec 7, 2024 | Acquisition -- (Common Stock) | 2591 | 0 | 17896 |
| Aug 29, 2024 | Sell -- (Common Stock) | 200 | 1206.3 | 0 |
| Aug 29, 2024 | Sell -- (Common Stock) | 450 | 1206.15 | 0 |
| Aug 29, 2024 | Sell -- (Common Stock) | 200 | 1206.67 | 25 |
| Aug 29, 2024 | Sell -- (Common Stock) | 200 | 1206.7 | 25 |
| Aug 29, 2024 | Sell -- (Common Stock) | 766 | 1205.44 | 200 |
| Aug 29, 2024 | Sell -- (Common Stock) | 236 | 1205.67 | 225 |
| Aug 29, 2024 | Sell -- (Common Stock) | 235 | 1205.67 | 225 |
| Aug 29, 2024 | Sell -- (Common Stock) | 928 | 1205.49 | 450 |
| Aug 29, 2024 | Sell -- (Common Stock) | 228 | 1204.79 | 966 |
| Aug 29, 2024 | Sell -- (Common Stock) | 2237 | 1204.71 | 1378 |
| Feb 10, 2024 | Sell -- (Common Stock) | 600 | 955 | 14372 |
| Feb 10, 2024 | Sell -- (Common Stock) | 1100 | 954.57 | 14972 |
| Feb 10, 2024 | Sell -- (Common Stock) | 1342 | 953.47 | 16072 |
| Feb 10, 2024 | Sell -- (Common Stock) | 1046 | 952.62 | 17414 |
| Feb 10, 2024 | Sell -- (Common Stock) | 487 | 951.39 | 18460 |
| Feb 10, 2024 | Sell -- (Common Stock) | 344 | 950.49 | 18947 |
| Jan 24, 2024 | F -- (Common Stock) | 3986 | 948.5 | 17874 |
| Jan 24, 2024 | F -- (Common Stock) | 3583 | 948.5 | 19291 |
| Jan 24, 2024 | M -- (Common Stock) | 5000 | 555.67 | 21860 |
| Jan 24, 2024 | M -- (Common Stock) | 5000 | 399.66 | 22874 |
| Jan 4, 2024 | F -- (Common Stock) | 4043 | 912.3 | 15329 |
| Jan 4, 2024 | F -- (Common Stock) | 3469 | 912.3 | 16860 |
| Jan 4, 2024 | M -- (Common Stock) | 5000 | 555.67 | 19372 |
| Jan 4, 2024 | M -- (Common Stock) | 5000 | 399.66 | 20329 |
| Dec 28, 2023 | Sell -- (Common Stock) | 2448 | 856.71 | 14372 |
| Dec 23, 2023 | Sell -- (Common Stock) | 250 | 846.27 | 16820 |
| Dec 22, 2023 | Sell -- (Common Stock) | 1224 | 844.09 | 17070 |
| Dec 22, 2023 | Sell -- (Common Stock) | 456 | 843.79 | 18294 |
| Dec 13, 2023 | F -- (Common Stock) | 2552 | 856.71 | 18750 |
| Dec 12, 2023 | F -- (Common Stock) | 260 | 844.09 | 21302 |
| Dec 12, 2023 | F -- (Common Stock) | 1276 | 844.09 | 21562 |
| Dec 9, 2023 | F -- (Common Stock) | 474 | 843.79 | 20468 |
| Dec 9, 2023 | Acquisition -- (Common Stock) | 2370 | 0 | 22838 |
| Aug 24, 2023 | F -- (Common Stock) | 5198 | 842.66 | 20942 |
| Aug 24, 2023 | M -- (Common Stock) | 7000 | 399.66 | 26140 |
| Mar 24, 2023 | Sell -- (Common Stock) | 2192 | 806.47 | 18409 |
| Feb 4, 2023 | F -- (Common Stock) | 3286 | 774.29 | 20295 |
| Feb 4, 2023 | M -- (Common Stock) | 5000 | 270.43 | 23581 |
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