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 |
2024-06-11 Sale |
2024-06-13 4:01 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
25,213 | $1,016 | $25,610,229 | 2,355,926 (Indirect Direct) |
View |
2024-06-06 Sale |
2024-06-10 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
787 | $1,015 | $798,821 | 694,559 (Indirect Direct) |
View |
2024-05-17 Sale |
2024-05-17 5:57 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
22,830 | $979.23 | $22,355,714 | 695,346 (Indirect Direct) |
View |
2024-05-14 Sale |
2024-05-15 6:10 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
35,941 | $979.58 | $35,207,110 | 718,176 (Indirect Direct) |
View |
2022-04-05 Sale |
2022-04-07 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
7,114 | $710.05 | $5,051,269 | 682,974 (Indirect Direct) |
View |
2022-03-31 Sale |
2022-04-04 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
2,886 | $710.01 | $2,049,089 | 690,088 (Indirect Direct) |
View |
2021-08-18 Sale |
2021-08-20 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
210,000 | $650.51 | $136,606,300 | 531,798 (Indirect Direct) |
View |
2021-08-16 Sale |
2021-08-17 4:42 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
10,000 | $624.36 | $6,243,614 | 741,798 (Indirect Direct) |
View |
2020-05-12 Sale |
2020-05-13 9:01 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
150,922 | $569.22 | $85,908,042 | 767,847 (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 |
2024-06-12 Conversion |
2024-06-13 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
1,000 | $0 | 2,355,926 (Indirect) |
View |
2024-05-13 Exercise |
2024-05-15 6:10 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
203,204 | $0 | 718,176 (Direct) |
View |
2024-05-13 Tax Withholding |
2024-05-15 6:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
144,433 | $976.79 | 718,176 (Direct) |
View |
2024-05-13 Exercise |
2024-05-15 6:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
203,204 | $399.66 | 718,176 (Direct) |
View |
2023-12-11 Tax Withholding |
2023-12-13 4:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
12,841 | $844.09 | 695,330 (Direct) |
View |
2023-12-11 Exercise |
2023-12-13 4:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S Bd. Co-Chair, President & CEO |
25,155 | $0 | 695,330 (Direct) |
View |
2023-05-15 Gift |
2023-05-17 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
53,807 | $0 | 683,016 (Indirect) |
View |
2021-11-19 Exercise |
2021-11-19 5:50 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
239,063 | $270.43 | 692,974 (Direct) |
View |
2021-11-19 Exercise |
2021-11-19 5:50 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
281,250 | $179.13 | 692,974 (Direct) |
View |
2021-11-19 Exercise |
2021-11-19 5:50 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
520,313 | $0 | 692,974 (Direct) |
View |
2021-11-19 Tax Withholding |
2021-11-19 5:50 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
359,137 | $651.96 | 692,974 (Direct) |
View |
2021-08-06 Exercise |
2021-08-10 5:05 pm |
N/A 2021-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
400,000 | $0 | 870,620 (Direct) |
View |
2021-08-06 Tax Withholding |
2021-08-10 5:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
228,575 | $607.51 | 870,620 (Direct) |
View |
2021-08-06 Exercise |
2021-08-10 5:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
400,000 | $52.03 | 870,620 (Direct) |
View |
2021-05-19 Gift |
2021-08-10 5:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
41,178 | $0 | 870,620 (Indirect) |
View |
2020-12-31 Option Award |
2021-01-05 4:04 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
620,270 | $0 | 620,270 (Direct) |
View |
2020-05-11 Exercise |
2020-05-13 9:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
312,500 | $30.63 | 767,847 (Direct) |
View |
2020-05-11 Exercise |
2020-05-13 9:01 pm |
N/A 2020-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
312,500 | $0 | 767,847 (Direct) |
View |
2020-05-11 Tax Withholding |
2020-05-13 9:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO |
161,578 | $571.43 | 767,847 (Direct) |
View |