Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-01-30 5:26 pm Purchase | 2024-01-30 | 13G | Adaptimmune Therapeutics plc ADAP | EcoR1 Capital, LLC | 113,424,420 7.700% | 113,424,420 (New Position) | Filing History |
| 2023-12-27 4:05 pm Purchase | 2023-12-18 | 13G | Mirati Therapeutics, Inc. MRTX | EcoR1 Capital, LLC | 7,396,979 10.500% | 1,648,580 (+28.68%) | Filing History |
| 2023-11-20 7:00 pm Purchase | 2023-11-16 | 13G | Atara Biotherapeutics, Inc. ATRA | EcoR1 Capital, LLC | 402,682 9.900% | 402,682 (New Position) | Filing History |
| 2023-10-16 3:33 pm Purchase | 2023-10-13 | 13G | Tango Therapeutics, Inc. TNGX | EcoR1 Capital, LLC | 13,330,736 13.100% | 5,503,100 (+70.30%) | Filing History |
| 2023-10-12 12:25 pm Purchase | 2023-10-02 | 13G | Immunome, Inc. IMNM | EcoR1 Capital, LLC | 3,879,415 9.100% | 3,879,415 (New Position) | Filing History |
| 2023-10-02 4:08 pm Purchase | 2023-09-22 | 13G | Mirati Therapeutics, Inc. MRTX | EcoR1 Capital, LLC | 5,748,399 8.500% | 5,748,399 (New Position) | Filing History |
| 2023-09-21 5:16 pm Purchase | 2023-09-11 | 13G | Tango Therapeutics, Inc. TNGX | EcoR1 Capital, LLC | 7,827,636 7.700% | 7,827,636 (New Position) | Filing History |
| 2023-09-13 5:02 pm Purchase | 2023-07-26 | 13G | Third Harmonic Bio, Inc. THRD | EcoR1 Capital, LLC | 2,982,444 7.400% | 2,982,444 (New Position) | Filing History |
| 2023-07-27 5:11 pm Purchase | 2023-07-27 | 13G | Mersana Therapeutics, Inc. MRSN | EcoR1 Capital, LLC | 19,364,688 16.900% | 19,364,688 (New Position) | Filing History |
| 2023-07-18 5:16 pm Purchase | 2023-07-18 | 13G | Apellis Pharmaceuticals, Inc. APLS | EcoR1 Capital, LLC | 6,307,547 5.400% | 6,307,547 (New Position) | Filing History |
| 2023-06-21 4:05 pm Purchase | 2023-06-16 | 13G | Zymeworks Inc. ZYME | EcoR1 Capital, LLC | 13,437,473 19.900% | 5,868,900 (+77.54%) | Filing History |
| 2023-06-16 4:12 pm Purchase | 2023-06-07 | 13G | Revolution Medicines, Inc. RVMD | EcoR1 Capital, LLC | 7,198,700 6.800% | 2,720,650 (+60.76%) | Filing History |
| 2023-06-07 4:45 pm Purchase | 2023-06-07 | 13G | Galapagos N.V. GLPG | EcoR1 Capital, LLC | 6,505,890 9.900% | 2,063,538 (+46.45%) | Filing History |
| 2023-06-05 4:09 pm Purchase | 2023-05-26 | 13G | TScan Therapeutics, Inc. TCRX | EcoR1 Capital, LLC | 5,000,000 11.700% | 5,000,000 (New Position) | Filing History |
| 2023-02-14 1:50 pm Purchase | 2022-12-31 | 13G | Galapagos N.V. GLPG | EcoR1 Capital, LLC | 4,442,352 6.700% | 1,035,106 (+30.38%) | Filing History |
| 2023-02-14 1:36 pm Sale | 2022-12-31 | 13G | Avidity Biosciences, Inc. RNA | EcoR1 Capital, LLC | 0 0.000% | -2,759,505 (Position Closed) | Filing History |
| 2023-02-14 1:22 pm Sale | 2022-12-31 | 13G | 2seventy bio, Inc. TSVT | EcoR1 Capital, LLC | 1,143,494 3.000% | -773,569 (-40.35%) | Filing History |
| 2023-02-14 1:03 pm Sale | 2022-12-31 | 13G | HOOKIPA Pharma Inc. HOOK | EcoR1 Capital, LLC | 497,349 9.100% | -11,737 (-2.31%) | Filing History |
| 2023-02-14 12:10 pm Purchase | 2022-04-29 | 13G | Tempest Therapeutics, Inc. TPST | EcoR1 Capital, LLC | 80,985 9.990% | 80,985 (New Position) | Filing History |
| 2023-02-13 2:08 pm Sale | 2022-12-31 | 13G | Surface Oncology, Inc. SURF | EcoR1 Capital, LLC | 3,924,713 6.500% | -728,287 (-15.65%) | Filing History |