Insider · CIK 1697422
Christopher R. Fenimore
EVP Finance CFO at Regeneron Pharmaceuticals REGN
Full history from EDGAR: holdings now, every transaction and Form 144 planned sales
Open-market buys0
Open-market sales84
Bought$0
Sold$30.3M
Every trade, with what the company filed around it
Open-market buys and sales as each Form 4 states them, newest first.
How these figures work
Notes on each row are as each Form 4 states them, next to SEC Tracker's own records of the company's filings and other insiders' buys. Holding after is what the filing reports they held after the trade, with the change in their holding.
| Date | Company | Trade | Value | Holding after | Notes |
|---|---|---|---|---|---|
| Nov 2, 2026 | Regeneron Pharmaceuticals REGN | Option exercise 6,000 sh at $381.92 The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. | $2.3M | 25,984 | The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. |
| Nov 2, 2026 | Regeneron Pharmaceuticals REGN | Tax withholding 4,243 sh at $950.50 The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. | $4M | 21,741 | The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. |
| Nov 2, 2026 | Regeneron Pharmaceuticals REGN | Gift 15 sh The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. | 21,726 | The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026. | |
| Aug 18, 2026 | Regeneron Pharmaceuticals REGN | Option exercise 6,283 sh at $381.92 8 days after a Form 144 notice of a planned insider sale filed Aug 10, 2026. | $2.4M | 24,583 | 8 days after a Form 144 notice of a planned insider sale filed Aug 10, 2026. |
| Aug 18, 2026 | Regeneron Pharmaceuticals REGN | Tax withholding 4,599 sh at $813.47 8 days after a Form 144 notice of a planned insider sale filed Aug 10, 2026. | $3.7M | 19,984 | 8 days after a Form 144 notice of a planned insider sale filed Aug 10, 2026. |
| Dec 8, 2025 | Regeneron Pharmaceuticals REGN | Tax withholding 992 sh at $712.94 18 days after a Form 144 notice of a planned insider sale filed Nov 20, 2025. | $707K | 18,300 | 18 days after a Form 144 notice of a planned insider sale filed Nov 20, 2025. |
| Dec 5, 2025 | Regeneron Pharmaceuticals REGN | Award 3,027 sh 15 days after a Form 144 notice of a planned insider sale filed Nov 20, 2025. | 19,292 | 15 days after a Form 144 notice of a planned insider sale filed Nov 20, 2025. | |
| Dec 16, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 491 sh at $730.81 46 days after the company's 10-Q filed Oct 31, 2024. | $359K | 16,265 | 46 days after the company's 10-Q filed Oct 31, 2024. |
| Dec 9, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 1,140 sh at $787.00 39 days after the company's 10-Q filed Oct 31, 2024. | $897K | 16,756 | 39 days after the company's 10-Q filed Oct 31, 2024. |
| Dec 6, 2024 | Regeneron Pharmaceuticals REGN | Award 2,591 sh 36 days after the company's 10-Q filed Oct 31, 2024. | 17,896 | 36 days after the company's 10-Q filed Oct 31, 2024. | |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 228 sh at $1,204.79 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $275K | 966 −19% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 766 sh at $1,205.44 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $923K | 200 −79% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 200 sh at $1,206.30 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $241K | 0 −100% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 2,237 sh at $1,204.71 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $2.7M | 1,378 −62% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 928 sh at $1,205.49 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $1.1M | 450 −67% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 450 sh at $1,206.15 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $543K | 0 −100% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 236 sh at $1,205.67 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $285K | 225 −51% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 200 sh at $1,206.70 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $241K | 25 −89% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 235 sh at $1,205.67 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $283K | 225 −51% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Aug 28, 2024 | Regeneron Pharmaceuticals REGN | Sold 200 sh at $1,206.67 The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. | $241K | 25 −89% | The filing does not mark this sale as under a Rule 10b5-1 plan. 20 days after a Form 144 notice of a planned insider sale filed Aug 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 344 sh at $950.49 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $327K | 18,947 −2% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 487 sh at $951.39 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $463K | 18,460 −3% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 1,046 sh at $952.62 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $996K | 17,414 −6% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 1,342 sh at $953.47 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $1.3M | 16,072 −8% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 1,100 sh at $954.57 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $1.1M | 14,972 −7% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Feb 9, 2024 | Regeneron Pharmaceuticals REGN | Sold 600 sh at $955.00 The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. | $573K | 14,372 −4% | The filing does not mark this sale as under a Rule 10b5-1 plan. 1 day after a Form 144 notice of a planned insider sale filed Feb 8, 2024. |
| Jan 23, 2024 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $555.67 15 days after the company's 8-K filed Jan 8, 2024. | $2.8M | 21,860 | 15 days after the company's 8-K filed Jan 8, 2024. |
| Jan 23, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 3,986 sh at $948.50 15 days after the company's 8-K filed Jan 8, 2024. | $3.8M | 17,874 | 15 days after the company's 8-K filed Jan 8, 2024. |
| Jan 23, 2024 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $399.66 15 days after the company's 8-K filed Jan 8, 2024. | $2M | 22,874 | 15 days after the company's 8-K filed Jan 8, 2024. |
| Jan 23, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 3,583 sh at $948.50 15 days after the company's 8-K filed Jan 8, 2024. | $3.4M | 19,291 | 15 days after the company's 8-K filed Jan 8, 2024. |
| Jan 3, 2024 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $555.67 The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. | $2.8M | 19,372 | The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. |
| Jan 3, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 4,043 sh at $912.30 The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. | $3.7M | 15,329 | The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. |
| Jan 3, 2024 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $399.66 The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. | $2M | 20,329 | The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. |
| Jan 3, 2024 | Regeneron Pharmaceuticals REGN | Tax withholding 3,469 sh at $912.30 The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. | $3.2M | 16,860 | The same day as a Form 144 notice of a planned insider sale filed Jan 3, 2024. |
| Dec 27, 2023 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 2,448 sh at $856.71 The filing says this sale was under a Rule 10b5-1 plan set up in advance. 14 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. | $2.1M | 14,372 −15% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. 14 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. |
| Dec 22, 2023 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 250 sh at $846.27 The filing says this sale was under a Rule 10b5-1 plan set up in advance. 9 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. | $212K | 16,820 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. 9 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. |
| Dec 21, 2023 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 456 sh at $843.79 The filing says this sale was under a Rule 10b5-1 plan set up in advance. 8 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. | $385K | 18,294 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. 8 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. |
| Dec 21, 2023 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 1,224 sh at $844.09 The filing says this sale was under a Rule 10b5-1 plan set up in advance. 8 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. | $1M | 17,070 −7% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. 8 days after a Form 144 notice of a planned insider sale filed Dec 13, 2023. |
| Dec 12, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 2,552 sh at $856.71 1 day after a Form 144 notice of a planned insider sale filed Dec 11, 2023. | $2.2M | 18,750 | 1 day after a Form 144 notice of a planned insider sale filed Dec 11, 2023. |
| Dec 11, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 1,276 sh at $844.09 The same day as a Form 144 notice of a planned insider sale filed Dec 11, 2023. | $1.1M | 21,562 | The same day as a Form 144 notice of a planned insider sale filed Dec 11, 2023. |
| Dec 11, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 260 sh at $844.09 The same day as a Form 144 notice of a planned insider sale filed Dec 11, 2023. | $219K | 21,302 | The same day as a Form 144 notice of a planned insider sale filed Dec 11, 2023. |
| Dec 8, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 474 sh at $843.79 36 days after the company's 8-K filed Nov 2, 2023. | $400K | 20,468 | 36 days after the company's 8-K filed Nov 2, 2023. |
| Dec 8, 2023 | Regeneron Pharmaceuticals REGN | Award 2,370 sh 36 days after the company's 8-K filed Nov 2, 2023. | 22,838 | 36 days after the company's 8-K filed Nov 2, 2023. | |
| Aug 23, 2023 | Regeneron Pharmaceuticals REGN | Option exercise 7,000 sh at $399.66 2 days after a Form 144 notice of a planned insider sale filed Aug 21, 2023. | $2.8M | 26,140 | 2 days after a Form 144 notice of a planned insider sale filed Aug 21, 2023. |
| Aug 23, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 5,198 sh at $842.66 2 days after a Form 144 notice of a planned insider sale filed Aug 21, 2023. | $4.4M | 20,942 | 2 days after a Form 144 notice of a planned insider sale filed Aug 21, 2023. |
| Mar 23, 2023 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 2,192 sh at $806.47 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $1.8M | 18,409 −11% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Feb 3, 2023 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $270.43 | $1.4M | 23,581 | |
| Feb 3, 2023 | Regeneron Pharmaceuticals REGN | Tax withholding 3,286 sh at $774.29 | $2.5M | 20,295 | |
| Dec 16, 2022 | Regeneron Pharmaceuticals REGN | Award 1,926 sh | 18,581 | ||
| Dec 9, 2022 | Regeneron Pharmaceuticals REGN | Tax withholding 247 sh at $753.28 | $186K | 16,655 | |
| Oct 26, 2022 | Regeneron Pharmaceuticals REGN | Gift 871 sh | 0 | ||
| Oct 26, 2022 | Regeneron Pharmaceuticals REGN | Gift 436 sh | 461 | ||
| Oct 26, 2022 | Regeneron Pharmaceuticals REGN | Gift 435 sh | 460 | ||
| Oct 5, 2022 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 1,844 sh at $749.00 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $1.4M | 16,425 −10% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Oct 3, 2022 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 3,346 sh at $724.00 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $2.4M | 18,269 −15% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 8, 2022 | Regeneron Pharmaceuticals REGN | Option exercise 2,450 sh at $555.67 | $1.4M | 27,221 | |
| Apr 8, 2022 | Regeneron Pharmaceuticals REGN | Tax withholding 2,155 sh at $736.21 | $1.6M | 25,066 | |
| Apr 8, 2022 | Regeneron Pharmaceuticals REGN | Option exercise 5,000 sh at $270.43 | $1.4M | 30,066 | |
| Apr 8, 2022 | Regeneron Pharmaceuticals REGN | Tax withholding 3,451 sh at $736.21 | $2.5M | 26,615 | |
| Mar 31, 2022 | Regeneron Pharmaceuticals REGN | Option exercise 2,000 sh at $555.67 | $1.1M | 23,425 | |
| Mar 31, 2022 | Regeneron Pharmaceuticals REGN | Tax withholding 1,797 sh at $700.99 | $1.3M | 21,628 | |
| Mar 31, 2022 | Regeneron Pharmaceuticals REGN | Option exercise 10,000 sh at $270.43 | $2.7M | 31,628 | |
| Mar 31, 2022 | Regeneron Pharmaceuticals REGN | Tax withholding 6,857 sh at $700.99 | $4.8M | 24,771 | |
| Dec 11, 2021 | Regeneron Pharmaceuticals REGN | Tax withholding 270 sh at $664.34 | $179K | 21,122 | |
| Dec 8, 2021 | Regeneron Pharmaceuticals REGN | Award 1,859 sh | 21,392 | ||
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 4,576 sh at $655.00 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $3M | 27,944 −14% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 9 sh at $659.33 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $6K | 27,935 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 23 sh at $660.33 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $15K | 27,912 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 88 sh at $661.89 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $58K | 27,824 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 1 sh at $662.78 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $663 | 27,823 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 70 sh at $663.05 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $46K | 27,753 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 23, 2021 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 14 sh at $665.21 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $9K | 27,739 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Aug 20, 2021 | Regeneron Pharmaceuticals REGN | Option exercise 13,500 sh at $179.13 | $2.4M | 32,520 | |
| Aug 20, 2021 | Regeneron Pharmaceuticals REGN | Tax withholding 8,719 sh at $664.85 | $5.8M | 19,020 | |
| Dec 9, 2020 | Regeneron Pharmaceuticals REGN | Award 969 sh | 19,352 | ||
| Dec 9, 2020 | Regeneron Pharmaceuticals REGN | Award 1,750 sh | 21,102 | ||
| Sep 24, 2020 | Regeneron Pharmaceuticals REGN | Gift 50 sh | 0 | ||
| Sep 24, 2020 | Regeneron Pharmaceuticals REGN | Gift 25 sh | 25 | ||
| Sep 24, 2020 | Regeneron Pharmaceuticals REGN | Gift 25 sh | 25 | ||
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 216 sh at $636.56 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $137K | 20,994 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 154 sh at $637.88 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $98K | 20,840 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 306 sh at $638.51 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $195K | 20,534 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 75 sh at $639.64 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $48K | 20,459 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 113 sh at $640.61 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 20,346 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 855 sh at $641.58 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $549K | 19,491 −4% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 676 sh at $642.39 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $434K | 18,815 −3% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 691 sh at $643.49 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $445K | 18,124 −4% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 303 sh at $644.57 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $195K | 17,821 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 72 sh at $645.33 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $46K | 17,749 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 155 sh at $646.82 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $100K | 17,594 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 82 sh at $647.79 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $53K | 17,512 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 21, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 11 sh at $658.00 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $7K | 17,501 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jul 20, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 10,000 sh at $179.13 | $1.8M | 25,277 | |
| Jul 20, 2020 | Regeneron Pharmaceuticals REGN | Tax withholding 6,291 sh at $655.57 | $4.1M | 18,986 | |
| Jul 20, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 2,224 sh at $52.03 | $116K | 21,210 | |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 112 sh at $581.40 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $65K | 18,721 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 18 sh at $582.69 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $10K | 18,703 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 111 sh at $583.06 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $65K | 18,592 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 99 sh at $584.62 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $58K | 18,493 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 130 sh at $585.76 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $76K | 18,363 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 413 sh at $586.54 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $242K | 17,950 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 373 sh at $587.55 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $219K | 17,577 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 147 sh at $588.80 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $87K | 17,430 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 153 sh at $590.70 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $90K | 17,277 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 233 sh at $591.61 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $138K | 17,044 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 214 sh at $592.20 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $127K | 16,830 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 109 sh at $593.25 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $65K | 16,721 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 747 sh at $594.35 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $444K | 15,974 −4% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 403 sh at $595.50 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $240K | 15,571 −3% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 16, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 294 sh at $596.36 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $175K | 15,277 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jun 15, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 7,226 sh at $52.03 | $376K | 20,323 | |
| Jun 15, 2020 | Regeneron Pharmaceuticals REGN | Tax withholding 3,670 sh at $587.90 | $2.2M | 16,653 | |
| Jun 15, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 2,180 sh at $30.63 | $67K | 18,833 | |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 1,200 sh at $30.63 | $37K | 14,297 | |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 63 sh at $478.77 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $30K | 14,234 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 69 sh at $479.00 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $33K | 14,165 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 58 sh at $480.28 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $28K | 14,107 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 62 sh at $482.09 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $30K | 14,045 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 124 sh at $483.58 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $60K | 13,921 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 3 sh at $484.14 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $1K | 13,918 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 137 sh at $488.76 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $67K | 13,781 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 201 sh at $489.48 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $98K | 13,580 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 70 sh at $491.65 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $34K | 13,510 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 134 sh at $492.45 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $66K | 13,376 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 174 sh at $493.24 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $86K | 13,202 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 37 sh at $494.16 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $18K | 13,165 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Apr 1, 2020 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 68 sh at $497.99 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $34K | 13,097 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Jan 24, 2020 | Regeneron Pharmaceuticals REGN | Option exercise 500 sh at $30.63 | $15K | 13,097 | |
| Dec 20, 2019 | Regeneron Pharmaceuticals REGN | Option exercise 400 sh at $30.63 | $12K | 12,597 | |
| Dec 13, 2019 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 191 sh at $374.82 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 13,688 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 13, 2019 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 624 sh at $375.58 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $234K | 13,064 −5% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 13, 2019 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 470 sh at $376.27 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $177K | 12,594 −4% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 13, 2019 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 346 sh at $377.38 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $131K | 12,248 −3% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 13, 2019 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 51 sh at $378.27 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $19K | 12,197 −<1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 12, 2019 | Regeneron Pharmaceuticals REGN | Option exercise 3,100 sh at $52.03 | $161K | 15,297 | |
| Dec 12, 2019 | Regeneron Pharmaceuticals REGN | Tax withholding 1,418 sh at $377.16 | $535K | 13,879 | |
| Dec 11, 2019 | Regeneron Pharmaceuticals REGN | Award 1,020 sh | 9,697 | ||
| Dec 11, 2019 | Regeneron Pharmaceuticals REGN | Award 2,500 sh | 12,197 | ||
| Apr 18, 2019 | Regeneron Pharmaceuticals REGN | Option exercise 350 sh at $21.25 | $7K | 7,446 | |
| Apr 18, 2019 | Regeneron Pharmaceuticals REGN | Gift 350 sh | 7,096 | ||
| Apr 18, 2019 | Regeneron Pharmaceuticals REGN | Gift 350 sh | 1,897 | ||
| Jan 18, 2019 | Regeneron Pharmaceuticals REGN | Option exercise 150 sh at $21.25 | $3K | 7,246 | |
| Jan 18, 2019 | Regeneron Pharmaceuticals REGN | Gift 150 sh | 7,096 | ||
| Jan 18, 2019 | Regeneron Pharmaceuticals REGN | Gift 150 sh | 1,547 | ||
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Option exercise 675 sh at $21.25 | $14K | 8,944 | |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 100 sh at $355.14 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $36K | 8,844 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 348 sh at $356.27 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $124K | 8,496 −4% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 200 sh at $357.50 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 8,296 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 200 sh at $358.27 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 8,096 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 200 sh at $359.38 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 7,896 −2% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 500 sh at $360.40 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $180K | 7,396 −6% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 100 sh at $361.65 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $36K | 7,296 −1% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 20, 2018 | Regeneron Pharmaceuticals REGN | Sold (10b5-1) 200 sh at $362.45 The filing says this sale was under a Rule 10b5-1 plan set up in advance. | $72K | 7,096 −3% | The filing says this sale was under a Rule 10b5-1 plan set up in advance. |
| Dec 19, 2018 | Regeneron Pharmaceuticals REGN | Option exercise 3,450 sh at $52.03 | $180K | 9,871 | |
| Dec 19, 2018 | Regeneron Pharmaceuticals REGN | Tax withholding 1,602 sh at $364.42 | $584K | 8,269 | |
| Dec 12, 2018 | Regeneron Pharmaceuticals REGN | Award 5,000 sh | 6,421 | ||
| Oct 25, 2018 | Regeneron Pharmaceuticals REGN | Gift 2,950 sh | 1,397 | ||
| Oct 25, 2018 | Regeneron Pharmaceuticals REGN | Gift 2,950 sh | 2,950 | ||
| Aug 30, 2018 | Regeneron Pharmaceuticals REGN | Option exercise 50 sh at $21.25 | $1K | 200 | |
| Aug 30, 2018 | Regeneron Pharmaceuticals REGN | Gift 50 sh | 1,421 | ||
| Aug 30, 2018 | Regeneron Pharmaceuticals REGN | Gift 50 sh | 4,347 | ||
| Jan 16, 2018 | Regeneron Pharmaceuticals REGN | Option exercise 150 sh at $21.25 | $3K | 150 |
Open-market trades are Form 4 transaction codes P (purchase) and S (sale). Planned sales are those the filing marks as made under a Rule 10b5-1 plan. A P-code buy at the offering price within a day of the company's FWP, 424B prospectus or offering 8-K is marked Bought in the offering and left out of open-market buy counts and cluster buys. Prices and values are as stated in each Form 4. Stock prices aren't shown on this page. Not investment advice.
Data on this page was fetched . The filing on SEC.gov is the record.