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 |
2024-05-16 Sale |
2024-05-17 4:06 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
50,000 | $972.73 | $48,636,545 | 1,148,844 (Indirect Direct) |
View |
2024-05-15 Sale |
2024-05-17 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
50,000 | $975.87 | $48,793,727 | 1,198,844 (Indirect Direct) |
View |
2024-01-02 Sale |
2024-05-01 4:00 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
16,848 | $900 | $15,163,200 | 1,217,856 (Indirect Direct) |
View |
2024-01-02 Sale |
2024-01-04 4:20 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
16,848 | $900 | $15,163,200 | 1,217,856 (Indirect Direct) |
View |
2023-03-23 Sale |
2023-03-27 4:41 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
3,656 | $804.26 | $2,940,374 | 1,222,370 (Indirect Direct) |
View |
2023-02-06 Sale |
2023-02-08 4:15 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
13,189 | $800.08 | $10,552,255 | 1,226,026 (Indirect Direct) |
View |
2021-08-13 Sale |
2021-08-17 4:13 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
50,000 | $625.29 | $31,264,263 | 1,107,024 (Indirect Direct) |
View |
2021-08-05 Sale |
2021-08-06 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
50,000 | $600.06 | $30,003,000 | 943,331 (Indirect Direct) |
View |
2021-06-21 Sale |
2021-06-23 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
80,000 | $538.9 | $43,112,141 | 1,226,404 (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 |
2024-06-10 Gift |
2024-06-12 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
113,699 | $0 | 1,110,945 (Indirect) |
View |
2024-04-29 Gift |
2024-05-01 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
54,444 | $0 | 1,248,844 (Indirect) |
View |
2024-02-15 Exercise |
2024-02-20 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
172,723 | $399.66 | 1,266,978 (Direct) |
View |
2024-02-15 Tax Withholding |
2024-02-20 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
123,601 | $953.83 | 1,266,978 (Direct) |
View |
2024-02-15 Exercise |
2024-02-20 4:03 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
172,723 | $0 | 1,266,978 (Direct) |
View |
2023-12-11 Tax Withholding |
2023-12-13 4:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
12,841 | $844.09 | 1,234,704 (Direct) |
View |
2023-12-11 Exercise |
2023-12-13 4:05 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE Bd. Co-Chair, President & CSO |
25,155 | $0 | 1,234,704 (Direct) |
View |
2021-12-22 Exercise |
2021-12-23 4:29 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
203,204 | $270.43 | 1,239,194 (Direct) |
View |
2021-12-22 Exercise |
2021-12-23 4:29 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
239,063 | $179.13 | 1,239,194 (Direct) |
View |
2021-12-22 Tax Withholding |
2021-12-23 4:29 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
310,097 | $610.04 | 1,239,194 (Direct) |
View |
2021-12-22 Exercise |
2021-12-23 4:29 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
442,267 | $0 | 1,239,194 (Direct) |
View |
2021-06-24 Gift |
2021-08-06 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
211,585 | $0 | 943,331 (Indirect) |
View |
2021-04-15 Gift |
2021-06-23 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
120,874 | $0 | 1,226,404 (Indirect) |
View |
2020-12-31 Option Award |
2021-01-05 4:04 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
620,270 | $0 | 620,270 (Direct) |
View |
2020-12-30 Tax Withholding |
2020-12-31 5:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
216,810 | $483.25 | 1,362,968 (Direct) |
View |
2020-12-30 Exercise |
2020-12-31 5:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
398,079 | $52.03 | 1,362,968 (Direct) |
View |
2020-07-27 Gift |
2020-12-31 5:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
57,465 | $0 | 1,362,968 (Indirect) |
View |
2020-12-30 Exercise |
2020-12-31 5:30 pm |
N/A 2021-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | YANCOPOULOS GEORGE President and Chief Scientific |
398,079 | $0 | 1,362,968 (Direct) |
View |