| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/09/2023 | REGENERON PHARMACEUTICALS, INC. | REGN | Gift | Common Stock | 1.3k | $0.00 | $0 | | 05/09/2023 |
| 12/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Grant | Common Stock | 4.1k | $0.00 | $0 | | 12/16/2022 |
| 12/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Grant | Non-Qualified Stock Option (right to buy) | 15.2k | $726.53 | $11.1M | | 12/16/2022 |
| 12/09/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Payment of Exercise | Common Stock | 492 | $753.28 | $370.6k | | 12/09/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 109 | $718.60 | $78.3k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 336 | $719.62 | $241.8k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 3 | $720.26 | $2.2k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 297 | $721.74 | $214.4k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 272 | $722.36 | $196.5k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 57 | $723.19 | $41.2k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 222 | $726.48 | $161.3k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 333 | $727.17 | $242.1k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 361 | $728.44 | $263k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 521 | $729.37 | $380k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 315 | $730.57 | $230.1k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 532 | $731.49 | $389.2k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 78 | $732.40 | $57.1k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 21 | $733.42 | $15.4k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 64 | $734.59 | $47k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 2 | $736.40 | $1.5k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 66 | $741.61 | $48.9k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 21 | $742.25 | $15.6k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 100 | $744.01 | $74.4k | | 11/14/2022 |
| 11/15/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 10 | $749.92 | $7.5k | | 11/14/2022 |
| 11/14/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Exercise | Non-Qualified Stock Option (right to buy) | 10k | $179.13 | $1.8M | | 11/14/2022 |
| 11/14/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Gift | Common Stock | 1.4k | $0.00 | $0 | | 11/14/2022 |
| 11/14/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Payment of Exercise | Common Stock | 6.3k | $746.00 | $4.7M | | 11/14/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 76 | $639.85 | $48.6k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 148 | $640.91 | $94.9k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 537 | $641.47 | $344.5k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 329 | $642.53 | $211.4k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 94 | $643.37 | $60.5k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 332 | $644.49 | $214k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 119 | $645.63 | $76.8k | | 08/15/2022 |
| 08/16/2022 | REGENERON PHARMACEUTICALS, INC. | REGN | Sale | Common Stock | 325 | $646.44 | $210.1k | | 08/15/2022 |
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