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 |
| 2024-01-16 Sale | 2024-01-17 5:21 pm | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 29,399 | $2.71 | $79,671 | 586,160 (Indirect Direct) | View |
| 2023-12-18 Sale | 2023-12-20 4:58 pm | Nuvalent Inc. | NUVL | Protopapas Anna Director | 5,000 | $75.67 | $378,350 | 15,000 (Direct) | View |
| 2023-01-17 Sale | 2023-01-18 8:24 pm | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 17,346 | $5.74 | $99,566 | 1,159,198 (Indirect Direct) | View |
| 2021-07-16 Sale | 2021-07-19 8:49 pm | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 41,944 | $12.24 | $513,186 | 282,978 (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 |
| 2024-06-12 Option Award | 2024-06-14 4:12 pm | N/A 2034-06-12 | Nuvalent Inc. | NUVL | Protopapas Anna Director | 6,288 | $0 | 6,288 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-12 4:54 pm | N/A 2034-06-10 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:21 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 86,958 | $0 | 586,160 (Direct) | View |
| 2023-12-18 Exercise | 2023-12-20 4:58 pm | N/A N/A | Nuvalent Inc. | NUVL | Protopapas Anna Director | 5,000 | $9.36 | 15,000 (Direct) | View |
| 2023-12-18 Exercise | 2023-12-20 4:58 pm | N/A 2032-06-16 | Nuvalent Inc. | NUVL | Protopapas Anna Director | 5,000 | $0 | 15,000 (Direct) | View |
| 2023-09-11 Option Award | 2023-09-13 4:02 pm | N/A 2033-09-10 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 16,643 | $0 | 396,744 (Direct) | View |
| 2023-06-15 Option Award | 2023-06-16 4:19 pm | N/A 2033-06-15 | Nuvalent Inc. | NUVL | Protopapas Anna Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2023-01-14 Exercise | 2023-01-18 8:24 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 55,708 | $0 | 1,159,198 (Direct) | View |
| 2022-05-20 Gift | 2023-01-18 8:24 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 240,244 | $0 | 1,159,198 (Direct) | View |
| 2023-01-13 Option Award | 2023-01-18 8:24 pm | N/A 2033-01-12 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 687,500 | $0 | 1,159,198 (Direct) | View |
| 2022-06-16 Option Award | 2022-06-17 4:17 pm | N/A 2032-06-16 | Nuvalent Inc. | NUVL | Protopapas Anna Director | 20,000 | $0 | 20,000 (Direct) | View |
| 2022-03-30 Option Award | 2022-03-31 07:09 am | N/A 2032-03-30 | Nuvalent Inc. | NUVL | Protopapas Anna Director | 40,000 | $0 | 40,000 (Direct) | View |
| 2022-01-14 Exercise | 2022-01-19 6:01 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 77,916 | $0 | 790,494 (Direct) | View |
| 2022-01-14 Option Award | 2022-01-19 6:01 pm | N/A 2032-01-13 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 368,450 | $0 | 790,494 (Direct) | View |
| 2021-07-15 Exercise | 2021-07-19 8:49 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 100,000 | $0 | 282,978 (Direct) | View |
| 2021-06-03 Exercise | 2021-06-07 9:34 pm | N/A N/A | Dicerna Pharmaceuticals Inc | DRNA | Protopapas Anna Director | 3,333 | $0 | 3,333 (Direct) | View |
| 2021-01-15 Exercise | 2021-01-20 7:04 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 17,709 | $0 | 745,546 (Direct) | View |
| 2021-01-15 Tax Withholding | 2021-01-20 7:04 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 5,198 | $21.09 | 745,546 (Direct) | View |
| 2021-01-15 Option Award | 2021-01-20 7:04 pm | N/A 2031-01-15 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 467,500 | $0 | 745,546 (Direct) | View |
| 2020-06-15 Option Award | 2020-06-16 8:00 pm | N/A N/A | Dicerna Pharmaceuticals Inc | DRNA | Protopapas Anna Director | 18,333 | $0 | 18,333 (Direct) | View |
| 2020-01-15 Option Award | 2020-01-16 4:33 pm | N/A 2030-01-15 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna President & CEO | 389,583 | $0 | 389,583 (Direct) | View |