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 |
| 2023-12-27 Sale | 2023-12-29 4:06 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,049 | $898 | $1,840,002 | 12,409 (Indirect Direct) | View |
| 2023-04-21 Sale | 2023-04-24 4:05 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $798.42 | $2,451,149 | 12,409 (Indirect Direct) | View |
| 2023-02-06 Sale | 2023-02-08 4:15 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,571 | $797.86 | $2,849,158 | 15,479 (Indirect Direct) | View |
| 2023-01-27 Sale | 2023-01-30 4:11 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1 | $747 | $747 | 19,050 (Indirect Direct) | View |
| 2023-01-06 Sale | 2023-01-10 4:03 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $747.14 | $2,293,720 | 19,051 (Indirect Direct) | View |
| 2022-11-08 Sale | 2022-11-10 4:00 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,495 | $754.44 | $3,391,191 | 14,793 (Indirect Direct) | View |
| 2022-03-29 Sale | 2022-03-31 4:04 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,930 | $699 | $1,349,070 | 18,514 (Indirect Direct) | View |
| 2022-02-23 Sale | 2022-02-24 4:07 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 500 | $608.68 | $304,340 | 13,244 (Indirect Direct) | View |
| 2021-09-13 Sale | 2021-09-15 4:03 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 9,704 | $648.16 | $6,289,792 | 17,165 (Indirect Direct) | View |
| 2021-08-09 Sale | 2021-08-10 5:00 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,687 | $612.38 | $1,033,085 | 13,553 (Indirect Direct) | View |
| 2021-06-25 Sale | 2021-06-28 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,084 | $549 | $1,144,116 | 15,240 (Indirect Direct) | View |
| 2021-06-14 Sale | 2021-06-16 4:02 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,700 | $525 | $892,500 | 17,324 (Indirect Direct) | View |
| 2021-01-25 Sale | 2021-01-27 4:06 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,480 | $554.32 | $1,374,714 | 17,719 (Indirect Direct) | View |
| 2020-09-22 Sale | 2020-09-23 4:01 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 6,090 | $552.36 | $3,363,872 | 19,951 (Indirect Direct) | View |
| 2020-07-01 Sale | 2020-07-02 4:02 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,613 | $607.62 | $2,195,342 | 24,217 (Indirect Direct) | View |
| 2020-05-07 Sale | 2020-05-07 4:14 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,809 | $562 | $1,016,658 | 19,602 (Indirect Direct) | View |
| 2020-02-24 Sale | 2020-02-25 4:03 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,000 | $419 | $838,001 | 17,242 (Indirect Direct) | View |
| 2019-12-13 Sale | 2019-12-13 4:07 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,000 | $373.99 | $1,495,968 | 18,922 (Indirect Direct) | View |
| 2019-11-12 Sale | 2019-11-13 4:11 pm | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,500 | $349 | $1,570,500 | 22,922 (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 |
| 2024-01-02 Option Award | 2024-01-04 4:06 pm | N/A 2034-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,742 | $0 | 14,151 (Direct) | View |
| 2023-12-27 Exercise | 2023-12-29 4:06 pm | N/A 2031-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,049 | $0 | 12,409 (Direct) | View |
| 2023-12-27 Exercise | 2023-12-29 4:06 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,049 | $482.68 | 12,409 (Direct) | View |
| 2023-04-21 Exercise | 2023-04-24 4:05 pm | N/A 2026-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $0 | 12,409 (Direct) | View |
| 2023-04-21 Exercise | 2023-04-24 4:05 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $520.01 | 12,409 (Direct) | View |
| 2023-02-06 Exercise | 2023-02-08 4:15 pm | N/A 2026-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,071 | $0 | 15,479 (Direct) | View |
| 2023-02-06 Exercise | 2023-02-08 4:15 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,071 | $520.01 | 15,479 (Direct) | View |
| 2023-01-27 Exercise | 2023-01-30 4:11 pm | N/A 2026-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1 | $0 | 19,050 (Direct) | View |
| 2023-01-27 Exercise | 2023-01-30 4:11 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1 | $520.01 | 19,050 (Direct) | View |
| 2023-01-06 Exercise | 2023-01-10 4:03 pm | N/A 2026-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $0 | 19,051 (Direct) | View |
| 2023-01-06 Exercise | 2023-01-10 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,070 | $520.01 | 19,051 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-05 4:21 pm | N/A 2033-01-03 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,094 | $0 | 14,838 (Direct) | View |
| 2022-11-08 Exercise | 2022-11-10 4:00 pm | N/A 2030-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,995 | $0 | 14,793 (Direct) | View |
| 2022-11-08 Exercise | 2022-11-10 4:00 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,431 | $374.12 | 14,793 (Direct) | View |
| 2022-11-08 Exercise | 2022-11-10 4:00 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,564 | $482.68 | 14,793 (Direct) | View |
| 2022-03-29 Exercise | 2022-03-31 4:04 pm | N/A 2030-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,930 | $0 | 18,514 (Direct) | View |
| 2022-03-29 Exercise | 2022-03-31 4:04 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,930 | $374.12 | 18,514 (Direct) | View |
| 2022-01-03 Option Award | 2022-01-05 4:18 pm | N/A 2032-01-03 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,898 | $0 | 16,451 (Direct) | View |
| 2021-09-13 Exercise | 2021-09-15 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,479 | $380.95 | 17,165 (Direct) | View |
| 2021-09-13 Exercise | 2021-09-15 4:03 pm | N/A 2028-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 9,704 | $0 | 17,165 (Direct) | View |
| 2021-09-13 Exercise | 2021-09-15 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 7,225 | $413.33 | 17,165 (Direct) | View |
| 2021-06-25 Exercise | 2021-06-28 4:01 pm | N/A 2029-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,084 | $0 | 15,240 (Direct) | View |
| 2021-06-25 Exercise | 2021-06-28 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,084 | $371.4 | 15,240 (Direct) | View |
| 2021-06-14 Exercise | 2021-06-16 4:02 pm | N/A 2029-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,700 | $0 | 17,324 (Direct) | View |
| 2021-06-14 Exercise | 2021-06-16 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,700 | $371.4 | 17,324 (Direct) | View |
| 2021-01-25 Exercise | 2021-01-27 4:06 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,480 | $380.95 | 17,719 (Direct) | View |
| 2021-01-25 Exercise | 2021-01-27 4:06 pm | N/A 2028-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,480 | $0 | 17,719 (Direct) | View |
| 2021-01-04 Option Award | 2021-01-05 4:53 pm | N/A 2031-01-04 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,861 | $0 | 18,853 (Direct) | View |
| 2020-05-13 Gift | 2020-09-23 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,000 | $0 | 19,951 (Indirect) | View |
| 2020-09-22 Exercise | 2020-09-23 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,610 | $376.69 | 19,951 (Direct) | View |
| 2020-09-22 Exercise | 2020-09-23 4:01 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,480 | $380.95 | 19,951 (Direct) | View |
| 2020-09-22 Exercise | 2020-09-23 4:01 pm | N/A 2027-01-03 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 5,090 | $0 | 19,951 (Direct) | View |
| 2020-07-01 Exercise | 2020-07-02 4:02 pm | N/A 2025-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,613 | $0 | 24,217 (Direct) | View |
| 2020-07-01 Exercise | 2020-07-02 4:02 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,613 | $413.33 | 24,217 (Direct) | View |
| 2020-05-06 Exercise | 2020-05-07 4:14 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 5,220 | $376.69 | 19,602 (Direct) | View |
| 2020-05-06 Tax Withholding | 2020-05-07 4:14 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 3,661 | $555.77 | 19,602 (Direct) | View |
| 2020-05-06 Exercise | 2020-05-07 4:14 pm | N/A 2024-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 5,470 | $0 | 19,602 (Direct) | View |
| 2020-05-06 Exercise | 2020-05-07 4:14 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 250 | $273.67 | 19,602 (Direct) | View |
| 2020-02-24 Exercise | 2020-02-25 4:03 pm | N/A 2024-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,000 | $0 | 17,242 (Direct) | View |
| 2020-02-24 Exercise | 2020-02-25 4:03 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 2,000 | $273.67 | 17,242 (Direct) | View |
| 2020-01-02 Option Award | 2020-01-06 4:03 pm | N/A 2030-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,681 | $0 | 21,353 (Direct) | View |
| 2019-12-13 Exercise | 2019-12-13 4:07 pm | N/A 2024-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,000 | $0 | 18,922 (Direct) | View |
| 2019-12-13 Exercise | 2019-12-13 4:07 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,000 | $273.67 | 18,922 (Direct) | View |
| 2019-11-12 Gift | 2019-11-13 4:11 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 1,000 | $0 | 22,922 (Indirect) | View |
| 2019-11-12 Exercise | 2019-11-13 4:11 pm | N/A 2024-01-02 | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,500 | $0 | 22,922 (Direct) | View |
| 2019-11-12 Exercise | 2019-11-13 4:11 pm | N/A N/A | REGENERON PHARMACEUTICALS INC. | REGN | BROWN MICHAEL S Director | 4,500 | $273.67 | 22,922 (Direct) | View |