Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2024-08-28 Sale |
2024-08-29 4:27 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO |
5,680 | $1,205 | $6,846,262 | 18,742 (Indirect Direct) |
View |
2024-02-09 Sale |
2024-02-12 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO |
4,919 | $953.31 | $4,689,320 | 24,431 (Indirect Direct) |
View |
2023-12-27 Sale |
2023-12-29 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
2,448 | $856.71 | $2,097,226 | 24,431 (Indirect Direct) |
View |
2023-12-21 Sale |
2023-12-26 4:08 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
1,930 | $844.3 | $1,629,502 | 26,879 (Indirect Direct) |
View |
2023-03-23 Sale |
2023-03-27 4:37 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
2,192 | $806.47 | $1,767,782 | 29,180 (Indirect Direct) |
View |
2022-10-05 Sale |
2022-10-07 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
1,844 | $749 | $1,381,156 | 27,979 (Indirect Direct) |
View |
2022-10-03 Sale |
2022-10-05 4:10 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
3,346 | $724 | $2,422,504 | 29,823 (Indirect Direct) |
View |
2021-08-23 Sale |
2021-08-24 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
4,781 | $655.31 | $3,133,037 | 35,088 (Indirect Direct) |
View |
2020-07-21 Sale |
2020-07-22 4:31 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
3,709 | $642.04 | $2,381,317 | 37,123 (Indirect Direct) |
View |
2020-06-16 Sale |
2020-06-17 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
3,556 | $590.89 | $2,101,215 | 21,397 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-12-16 Tax Withholding |
2024-12-18 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO |
491 | $730.81 | 19,727 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 4:03 pm |
N/A 2034-12-06 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO |
12,570 | $0 | 30,197 (Direct) |
View |
2024-12-09 Tax Withholding |
2024-12-10 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Finance & CFO |
1,140 | $787 | 30,197 (Direct) |
View |
2024-01-23 Tax Withholding |
2024-01-25 4:17 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
7,569 | $948.5 | 29,350 (Direct) |
View |
2024-01-23 Exercise |
2024-01-25 4:17 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
10,000 | $0 | 29,350 (Direct) |
View |
2024-01-23 Exercise |
2024-01-25 4:17 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $555.67 | 29,350 (Direct) |
View |
2024-01-23 Exercise |
2024-01-25 4:17 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $399.66 | 29,350 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 4:22 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
10,000 | $0 | 36,919 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 4:22 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $555.67 | 36,919 (Direct) |
View |
2024-01-03 Tax Withholding |
2024-01-04 4:22 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
7,512 | $912.3 | 36,919 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 4:22 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $399.66 | 36,919 (Direct) |
View |
2023-12-12 Tax Withholding |
2023-12-14 4:08 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
2,552 | $856.71 | 28,809 (Direct) |
View |
2023-12-08 Option Award |
2023-12-12 4:01 pm |
N/A 2033-12-08 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
10,869 | $0 | 39,860 (Direct) |
View |
2023-12-11 Tax Withholding |
2023-12-12 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
1,536 | $844.09 | 39,860 (Direct) |
View |
2023-12-08 Tax Withholding |
2023-12-12 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
474 | $843.79 | 39,860 (Direct) |
View |
2023-08-23 Exercise |
2023-08-25 4:03 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
7,000 | $0 | 41,001 (Direct) |
View |
2023-08-23 Exercise |
2023-08-25 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
7,000 | $399.66 | 41,001 (Direct) |
View |
2023-08-23 Tax Withholding |
2023-08-25 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,198 | $842.66 | 41,001 (Direct) |
View |
2023-02-03 Exercise |
2023-02-07 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $270.43 | 31,372 (Direct) |
View |
2023-02-03 Tax Withholding |
2023-02-07 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
3,286 | $774.29 | 31,372 (Direct) |
View |
2023-02-03 Exercise |
2023-02-07 4:10 pm |
N/A 2023-12-13 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $0 | 31,372 (Direct) |
View |
2022-12-16 Option Award |
2022-12-20 4:06 pm |
N/A 2032-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
9,037 | $0 | 36,769 (Direct) |
View |
2022-10-26 Gift |
2022-12-13 4:09 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
1,742 | $0 | 27,271 (Indirect) |
View |
2022-12-09 Tax Withholding |
2022-12-13 4:09 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
247 | $753.28 | 27,271 (Direct) |
View |
2022-04-08 Exercise |
2022-04-11 4:40 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,000 | $270.43 | 48,148 (Direct) |
View |
2022-04-08 Exercise |
2022-04-11 4:40 pm |
N/A 2023-12-13 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
7,450 | $0 | 48,148 (Direct) |
View |
2022-04-08 Exercise |
2022-04-11 4:40 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
2,450 | $555.67 | 48,148 (Direct) |
View |
2022-04-08 Tax Withholding |
2022-04-11 4:40 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
5,606 | $736.21 | 48,148 (Direct) |
View |
2022-03-31 Exercise |
2022-04-01 4:07 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
10,000 | $270.43 | 53,754 (Direct) |
View |
2022-03-31 Exercise |
2022-04-01 4:07 pm |
N/A 2023-12-13 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
12,000 | $0 | 53,754 (Direct) |
View |
2022-03-31 Exercise |
2022-04-01 4:07 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
2,000 | $555.67 | 53,754 (Direct) |
View |
2022-03-31 Tax Withholding |
2022-04-01 4:07 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
8,654 | $700.99 | 53,754 (Direct) |
View |
2021-12-11 Tax Withholding |
2021-12-14 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
270 | $664.34 | 27,958 (Direct) |
View |
2021-12-08 Option Award |
2021-12-10 5:28 pm |
N/A 2031-12-08 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
9,800 | $0 | 36,169 (Direct) |
View |
2021-08-20 Tax Withholding(A) |
2021-08-25 4:06 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
8,719 | $664.85 | 19,020 (Direct) |
View |
2021-08-20 Exercise |
2021-08-24 4:04 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
13,500 | $0 | 35,088 (Direct) |
View |
2021-08-20 Exercise |
2021-08-24 4:04 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. SVP Controller |
13,500 | $179.13 | 35,088 (Direct) |
View |
2020-12-09 Option Award |
2020-12-11 4:05 pm |
N/A 2030-12-09 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
12,719 | $0 | 36,317 (Direct) |
View |
2020-09-24 Gift |
2020-12-11 4:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
75 | $0 | 36,317 (Indirect) |
View |
2020-07-20 Exercise |
2020-07-22 4:31 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
2,224 | $52.03 | 37,123 (Direct) |
View |
2020-07-20 Exercise |
2020-07-22 4:31 pm |
N/A 2021-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
12,224 | $0 | 37,123 (Direct) |
View |
2020-07-20 Tax Withholding |
2020-07-22 4:31 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
6,291 | $655.57 | 37,123 (Direct) |
View |
2020-07-20 Exercise |
2020-07-22 4:31 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
10,000 | $179.13 | 37,123 (Direct) |
View |
2020-06-15 Exercise |
2020-06-17 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
7,226 | $52.03 | 21,397 (Direct) |
View |
2020-06-15 Exercise |
2020-06-17 4:02 pm |
N/A 2020-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
9,406 | $0 | 21,397 (Direct) |
View |
2020-06-15 Exercise |
2020-06-17 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
2,180 | $30.63 | 21,397 (Direct) |
View |
2020-06-15 Tax Withholding |
2020-06-17 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | Fenimore Christopher R. VP Controller |
3,670 | $587.9 | 21,397 (Direct) |
View |