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 |
2024-06-10 Sale |
2024-06-12 5:36 pm |
RadNet Inc. | RDNT | STOLPER MARK EVP, Chief Financial Officer |
25,000 | $61.27 | $1,531,750 | 80,398 (Direct) |
View |
2021-02-01 Purchase |
2021-02-02 10:43 am |
SURGALIGN HOLDINGS INC. | SRGA | STOLPER MARK Director |
16,667 | $1.5 | $25,001 | 108,143 (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 |
2025-01-08 Option Award |
2025-01-10 5:47 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK EVP, Chief Financial Officer |
22,889 | $0 | 103,012 (Direct) |
View |
2024-12-16 Gift |
2024-12-18 5:14 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK EVP, Chief Financial Officer |
275 | $0 | 80,123 (Direct) |
View |
2024-06-03 Option Award |
2024-06-05 6:49 pm |
N/A 2034-06-03 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
112,000 | $0 | 112,000 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 9:25 pm |
N/A 2033-01-02 |
RadNet Inc. | RDNT | STOLPER MARK EVP, Chief Financial Officer |
41,348 | $0 | 132,674 (Direct) |
View |
2024-01-09 Option Award |
2024-01-10 7:39 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK EVP, Chief Financial Officer |
14,558 | $0 | 14,558 (Direct) |
View |
2023-06-07 Option Award |
2023-06-09 5:08 pm |
N/A 2033-06-07 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
38,250 | $0 | 38,250 (Direct) |
View |
2023-05-12 Gift |
2023-05-16 6:30 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
900 | $0 | 91,326 (Direct) |
View |
2023-05-04 Gift |
2023-05-08 8:39 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
375 | $0 | 92,226 (Direct) |
View |
2023-02-28 Option Award |
2023-03-02 6:22 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
7,081 | $0 | 7,081 (Direct) |
View |
2023-01-03 Option Award |
2023-01-05 7:35 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
41,349 | $0 | 41,349 (Direct) |
View |
2022-08-15 Option Award |
2022-08-17 12:42 pm |
N/A N/A |
SURGALIGN HOLDINGS INC. | SRGA | STOLPER MARK Director |
22,857 | $0 | 28,867 (Direct) |
View |
2022-01-07 Option Award(A) |
2022-02-11 4:13 pm |
N/A 2032-01-07 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
27,000 | $0 | 27,000 (Direct) |
View |
2022-01-07 Option Award |
2022-01-10 4:32 pm |
N/A 2032-01-07 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
27,000 | $0 | 27,000 (Direct) |
View |
2022-01-04 Option Award |
2022-01-06 7:06 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
58,031 | $0 | 58,031 (Direct) |
View |
2021-09-21 Option Award |
2021-09-24 9:22 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
2,410 | $0 | 2,410 (Direct) |
View |
2021-05-07 Option Award(A) |
2021-07-02 4:48 pm |
N/A N/A |
SURGALIGN HOLDINGS INC. | SRGA | STOLPER MARK Director |
72,254 | $0 | 180,397 (Direct) |
View |
2021-05-21 Option Award |
2021-05-25 4:56 pm |
N/A 2031-05-21 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
20,000 | $0 | 20,000 (Direct) |
View |
2021-05-07 Option Award |
2021-05-10 5:23 pm |
N/A N/A |
SURGALIGN HOLDINGS INC. | SRGA | STOLPER MARK Director |
57,803 | $0 | 165,946 (Direct) |
View |
2021-01-05 Option Award |
2021-01-07 4:32 pm |
N/A 2031-01-05 |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
40,000 | $0 | 40,000 (Direct) |
View |
Ownership |
2021-01-07 4:32 pm |
N/A N/A |
Coherus BioSciences Inc. | CHRS | STOLPER MARK Director |
0 | $0 | 8,800 (Indirect) |
View |
2021-01-04 Option Award |
2021-01-06 8:59 pm |
N/A N/A |
RadNet Inc. | RDNT | STOLPER MARK Executive VP and CFO |
19,317 | $0 | 19,317 (Direct) |
View |