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 |
2025-01-16 Sale |
2025-01-21 4:35 pm |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
5,655 | $44.2 | $249,935 | 67,200 (Direct) |
View |
2024-11-22 Sale |
2024-11-26 5:00 pm |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
8,520 | $37.06 | $315,771 | 339,230 (Direct) |
View |
2024-11-11 Sale |
2024-11-13 4:40 pm |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
2,105 | $30 | $63,158 | 211,375 (Direct) |
View |
2024-10-07 Sale |
2024-10-07 8:51 pm |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
109,375 | $27.21 | $2,976,468 | 213,480 (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 |
2025-03-10 Option Award |
2025-03-12 5:00 pm |
N/A 2035-03-10 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
80,000 | $0 | 147,200 (Direct) |
View |
2024-11-22 Exercise |
2024-11-26 5:00 pm |
N/A N/A |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
8,520 | $8.59 | 339,230 (Direct) |
View |
2024-11-22 Exercise |
2024-11-26 5:00 pm |
N/A 2032-11-14 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
8,520 | $0 | 339,230 (Direct) |
View |
2024-11-11 Exercise |
2024-11-13 4:40 pm |
N/A N/A |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
2,105 | $8.59 | 211,375 (Direct) |
View |
2024-11-11 Exercise |
2024-11-13 4:40 pm |
N/A 2032-11-14 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
2,105 | $0 | 211,375 (Direct) |
View |
2024-10-07 Exercise |
2024-10-07 8:51 pm |
N/A N/A |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
109,375 | $8.59 | 213,480 (Direct) |
View |
2024-10-07 Exercise |
2024-10-07 8:51 pm |
N/A 2032-11-14 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
109,375 | $0 | 213,480 (Direct) |
View |
2024-06-14 Option Award |
2024-06-18 9:01 pm |
N/A 2034-06-14 |
Arcturus Therapeutics Holdings Inc. | ARCT | Marantz Jing L. Director |
15,000 | $0 | 18,131 (Direct) |
View |
2024-06-14 Exercise |
2024-06-18 9:01 pm |
N/A N/A |
Arcturus Therapeutics Holdings Inc. | ARCT | Marantz Jing L. Director |
3,131 | $0 | 18,131 (Direct) |
View |
2024-02-12 Option Award |
2024-02-13 7:16 pm |
N/A 2034-02-12 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. CHIEF MEDICAL OFFICER |
170,000 | $0 | 170,000 (Direct) |
View |
2023-08-01 Option Award |
2023-08-03 4:12 pm |
N/A 2033-08-01 |
Arcturus Therapeutics Holdings Inc. | ARCT | Marantz Jing L. Director |
15,000 | $0 | 15,000 (Direct) |
View |
2022-11-14 Option Award |
2022-11-15 5:35 pm |
N/A 2032-11-14 |
Scholar Rock Holding Corp | SRRK | Marantz Jing L. Chief Medical Officer |
250,000 | $0 | 250,000 (Direct) |
View |
2022-06-23 Option Award |
2022-06-27 7:16 pm |
N/A 2032-06-23 |
Arcturus Therapeutics Holdings Inc. | ARCT | Marantz Jing L. Director |
15,000 | $0 | 15,000 (Direct) |
View |
2022-01-31 Option Award |
2022-01-31 5:27 pm |
N/A 2032-01-31 |
Krystal Biotech Inc. | KRYS | Marantz Jing L. Chief Business Officer |
205,000 | $0 | 205,000 (Direct) |
View |
2021-12-07 Option Award |
2021-12-09 8:13 pm |
N/A 2031-12-06 |
Arcturus Therapeutics Holdings Inc. | ARCT | Marantz Jing L. Director |
26,699 | $0 | 26,699 (Direct) |
View |
2021-06-30 Option Award |
2021-07-02 11:26 am |
N/A 2031-06-30 |
Krystal Biotech Inc. | KRYS | Marantz Jing L. Director |
6,800 | $0 | 6,800 (Direct) |
View |
2021-01-04 Option Award |
2021-01-05 5:14 pm |
2024-01-04 2031-01-04 |
Krystal Biotech Inc. | KRYS | Marantz Jing L. Director |
13,600 | $0 | 13,600 (Direct) |
View |