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 |
| 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 |
| 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 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 |
| 2021-11-19 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 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 N/A | REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO | 239,063 | $270.43 | 692,974 (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 |
| 2021-08-06 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 |
| 2021-05-19 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 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 |
| 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 |
| 2019-12-11 Option Award | 2019-12-13 4:05 pm | N/A 2029-12-11 | REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO | 106,433 | $0 | 874,248 (Direct) | View |
| 2019-12-12 Exercise | 2019-12-13 4:05 pm | N/A 2019-12-18 | REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO | 312,400 | $0 | 874,248 (Direct) | View |
| 2019-12-12 Tax Withholding | 2019-12-13 4:05 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO | 161,963 | $377.16 | 874,248 (Direct) | View |
| 2019-12-12 Exercise | 2019-12-13 4:05 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | SCHLEIFER LEONARD S President & CEO | 312,400 | $21.25 | 874,248 (Direct) | View |