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 |
2024-07-11 Sale |
2024-07-12 4:00 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,866 | $1,089 | $2,031,981 | 38,308 (Indirect Direct) |
View |
2024-05-21 Sale |
2024-05-22 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,865 | $994.9 | $1,855,489 | 38,416 (Indirect Direct) |
View |
2024-02-26 Sale |
2024-02-28 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,000 | $990 | $990,000 | 40,265 (Indirect Direct) |
View |
2024-02-22 Sale |
2024-02-26 4:07 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,000 | $967.65 | $967,650 | 41,265 (Indirect Direct) |
View |
2024-02-07 Sale |
2024-02-09 4:12 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,000 | $950 | $950,000 | 42,265 (Indirect Direct) |
View |
2022-04-07 Sale |
2022-04-11 4:41 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
5,114 | $721.1 | $3,687,705 | 19,323 (Indirect Direct) |
View |
2022-04-01 Sale |
2022-04-04 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
5,114 | $690.73 | $3,532,373 | 24,437 (Indirect Direct) |
View |
2021-08-23 Sale |
2021-08-24 4:06 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
3,425 | $661.84 | $2,266,817 | 46,682 (Indirect Direct) |
View |
2021-07-06 Sale |
2021-07-07 4:01 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
3,398 | $580 | $1,970,840 | 56,682 (Indirect Direct) |
View |
2020-08-31 Sale |
2020-08-31 4:37 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
4,672 | $615.04 | $2,873,467 | 18,725 (Indirect Direct) |
View |
2020-05-15 Sale |
2020-05-15 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
8,380 | $572 | $4,793,360 | 14,725 (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 | LAROSA JOSEPH J EVP General Counsel and Secret |
702 | $730.81 | 39,446 (Direct) |
View |
2024-12-09 Tax Withholding |
2024-12-10 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
492 | $787 | 49,129 (Direct) |
View |
2024-12-06 Option Award |
2024-12-10 4:02 pm |
N/A 2034-12-06 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
11,313 | $0 | 49,129 (Direct) |
View |
2024-06-24 Tax Withholding |
2024-06-25 4:39 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
11,084 | $1,060 | 54,624 (Direct) |
View |
2024-06-24 Exercise |
2024-06-25 4:39 pm |
N/A 2025-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
14,450 | $0 | 54,624 (Direct) |
View |
2024-06-24 Exercise |
2024-06-25 4:39 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
14,450 | $555.67 | 54,624 (Direct) |
View |
2024-06-10 Gift |
2024-06-12 4:10 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,608 | $0 | 36,808 (Indirect) |
View |
2024-01-03 Exercise |
2024-01-04 4:19 pm |
N/A 2024-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
34,000 | $0 | 43,265 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 4:19 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
34,000 | $399.66 | 43,265 (Direct) |
View |
2024-01-03 Tax Withholding |
2024-01-04 4:19 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
24,493 | $912.3 | 43,265 (Direct) |
View |
2023-12-11 Tax Withholding |
2023-12-12 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
669 | $844.09 | 41,407 (Direct) |
View |
2023-12-08 Tax Withholding |
2023-12-12 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
852 | $843.79 | 41,407 (Direct) |
View |
2023-12-08 Option Award |
2023-12-12 4:01 pm |
N/A 2033-12-08 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
9,782 | $0 | 41,407 (Direct) |
View |
2023-03-23 Exercise |
2023-03-27 4:39 pm |
N/A 2023-12-13 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $0 | 33,126 (Direct) |
View |
2023-03-23 Tax Withholding |
2023-03-27 4:39 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
6,742 | $801.59 | 33,126 (Direct) |
View |
2023-03-23 Exercise |
2023-03-27 4:39 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $270.43 | 33,126 (Direct) |
View |
2023-03-10 Gift |
2023-03-14 4:08 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
1,006 | $0 | 29,868 (Indirect) |
View |
2022-12-16 Option Award |
2022-12-20 4:07 pm |
N/A 2032-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
12,911 | $0 | 41,033 (Direct) |
View |
2022-12-09 Tax Withholding |
2022-12-13 4:12 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
492 | $753.28 | 28,122 (Direct) |
View |
2022-09-09 Exercise |
2022-09-12 4:30 pm |
N/A 2023-12-13 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
30,000 | $0 | 38,614 (Direct) |
View |
2022-09-09 Tax Withholding |
2022-09-12 4:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
20,730 | $730.96 | 38,614 (Direct) |
View |
2022-09-09 Exercise |
2022-09-12 4:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
30,000 | $270.43 | 38,614 (Direct) |
View |
2021-12-11 Tax Withholding |
2021-12-14 4:07 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
697 | $664.34 | 29,551 (Direct) |
View |
2021-12-09 Exercise |
2021-12-10 5:30 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
30,000 | $0 | 44,501 (Direct) |
View |
2021-12-09 Tax Withholding |
2021-12-10 5:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
19,772 | $657.11 | 44,501 (Direct) |
View |
2021-12-08 Option Award |
2021-12-10 5:30 pm |
N/A 2031-12-08 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
17,591 | $0 | 44,501 (Direct) |
View |
2021-12-09 Exercise |
2021-12-10 5:30 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
30,000 | $179.13 | 44,501 (Direct) |
View |
2021-08-20 Exercise |
2021-08-24 4:06 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $0 | 46,682 (Direct) |
View |
2021-08-20 Exercise |
2021-08-24 4:06 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $179.13 | 46,682 (Direct) |
View |
2021-08-20 Tax Withholding |
2021-08-24 4:06 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
6,575 | $664.85 | 46,682 (Direct) |
View |
2021-07-02 Exercise |
2021-07-07 4:01 pm |
N/A 2022-12-14 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $0 | 56,682 (Direct) |
View |
2021-07-02 Exercise |
2021-07-07 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $179.13 | 56,682 (Direct) |
View |
2021-07-02 Tax Withholding |
2021-07-07 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
6,602 | $582.2 | 56,682 (Direct) |
View |
2020-12-09 Option Award |
2020-12-11 4:03 pm |
N/A 2030-12-09 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
21,880 | $0 | 36,605 (Direct) |
View |
2020-08-27 Exercise |
2020-08-31 4:37 pm |
N/A 2021-12-16 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $0 | 18,725 (Direct) |
View |
2020-08-27 Tax Withholding |
2020-08-31 4:37 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
5,328 | $614.87 | 18,725 (Direct) |
View |
2020-08-27 Exercise |
2020-08-31 4:37 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
10,000 | $52.03 | 18,725 (Direct) |
View |
2020-05-14 Exercise |
2020-05-15 4:03 pm |
N/A 2021-09-01 |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
18,311 | $0 | 14,725 (Direct) |
View |
2020-05-14 Tax Withholding |
2020-05-15 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
9,931 | $573.18 | 14,725 (Direct) |
View |
2020-05-14 Exercise |
2020-05-15 4:03 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | LAROSA JOSEPH J EVP General Counsel and Secret |
18,311 | $59.2 | 14,725 (Direct) |
View |