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 |
| 2022-05-02 Sale | 2022-05-03 4:29 pm | US Ecology Inc. | ECOL | Dorton Katina Director | 13,500 | $48 | $648,000 | 0 (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 |
| 2025-10-17 Option Award | 2025-10-20 4:16 pm | N/A 2035-10-16 | Prelude Therapeutics Inc | PRLD | Dorton Katina Director | 76,000 | $0 | 76,000 (Direct) | View |
| 2025-08-14 Option Award | 2025-08-18 9:03 pm | N/A N/A | Mallinckrodt plc | Dorton Katina Director | 4,062 | $0 | 25,948 (Direct) | View | |
| 2025-07-31 Option Award | 2025-08-04 8:50 pm | N/A N/A | Mallinckrodt plc | Dorton Katina Director | 16,414 | $0 | 21,886 (Direct) | View | |
| 2025-06-30 Option Award | 2025-07-02 4:26 pm | N/A 2035-06-30 | TScan Therapeutics Inc. | TCRX | Dorton Katina Director | 67,000 | $0 | 67,000 (Direct) | View |
| 2025-06-26 Option Award | 2025-06-30 4:15 pm | N/A 2035-06-25 | Fulcrum Therapeutics Inc. | FULC | Dorton Katina Director | 36,000 | $0 | 36,000 (Direct) | View |
| 2025-01-01 Tax Withholding | 2025-01-02 5:00 pm | N/A N/A | Mallinckrodt plc | Dorton Katina Director | 294 | $0 | 13,658 (Direct) | View | |
| 2025-01-01 Exercise | 2025-01-02 5:00 pm | N/A N/A | Mallinckrodt plc | Dorton Katina Director | 1,504 | $0 | 13,658 (Direct) | View | |
| 2024-06-17 Option Award | 2024-06-18 4:20 pm | N/A 2034-06-16 | Fulcrum Therapeutics Inc. | FULC | Dorton Katina Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2024-06-12 Option Award | 2024-06-14 4:20 pm | N/A 2034-06-11 | TScan Therapeutics Inc. | TCRX | Dorton Katina Director | 47,500 | $0 | 47,500 (Direct) | View |
| 2024-02-19 Option Award | 2024-02-20 4:11 pm | N/A N/A | Mallinckrodt plc | Dorton Katina Director | 8,207 | $0 | 8,207 (Direct) | View | |
| 2023-06-27 Option Award | 2023-06-29 4:16 pm | N/A 2033-06-26 | Fulcrum Therapeutics Inc. | FULC | Dorton Katina Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-13 Option Award | 2023-06-15 6:17 pm | N/A 2033-06-12 | TScan Therapeutics Inc. | TCRX | Dorton Katina Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2022-06-27 Option Award | 2022-06-29 5:00 pm | N/A 2032-06-26 | Fulcrum Therapeutics Inc. | FULC | Dorton Katina Director | 19,000 | $0 | 19,000 (Direct) | View |
| 2022-06-01 Option Award | 2022-06-03 4:30 pm | N/A 2032-05-31 | TScan Therapeutics Inc. | TCRX | Dorton Katina Director | 9,146 | $0 | 9,146 (Direct) | View |
Ownership | 2021-07-15 6:13 pm | N/A 2031-03-15 | TScan Therapeutics Inc. | TCRX | Dorton Katina Director | 0 | $0 | 48,780 (Direct) | View |
| 2021-06-09 Option Award | 2021-06-11 5:10 pm | N/A 2031-06-08 | Fulcrum Therapeutics Inc. | FULC | Dorton Katina Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2021-05-26 Option Award | 2021-05-28 1:02 pm | N/A N/A | US Ecology Inc. | ECOL | Dorton Katina Director | 2,900 | $0 | 13,500 (Direct) | View |