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 |
| 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 | LAKEFRONT BIOTHERAPEUTICS AMER LKFT | 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 | LAKEFRONT BIOTHERAPEUTICS AMER LKFT | 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 RNAM | 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 |
| 2023-02-13 1:55 pm Unchanged | 2022-12-31 | 13G | ARVINAS INC ARVN | EcoR1 Capital, LLC | 3,123,300 5.900% | 0 (Unchanged) | Filing History |
| 2023-02-13 1:43 pm Purchase | 2022-12-31 | 13G | XENCOR INC XNCR | EcoR1 Capital, LLC | 5,282,516 8.800% | 376,410 (+7.67%) | Filing History |
| 2023-02-13 08:25 am Purchase | 2022-12-31 | 13G | ALIGOS THERAPEUTICS INC ALGS | EcoR1 Capital, LLC | 157,934 9.900% | 29,402 (+22.88%) | Filing History |
| 2023-02-10 2:28 pm Purchase | 2022-12-31 | 13G | OVID THERAPEUTICS INC OVID | EcoR1 Capital, LLC | 6,117,400 8.700% | 35,200 (+0.58%) | Filing History |
| 2023-02-10 1:59 pm Sale | 2022-12-31 | 13G | AKOUOS INC AKUS | EcoR1 Capital, LLC | 0 0.000% | -1,975,984 (Position Closed) | Filing History |
| 2023-02-10 1:56 pm Sale | 2022-12-31 | 13G | ORIC PHARMACEUTICALS INC ORIC | EcoR1 Capital, LLC | 3,418,068 7.600% | -50,876 (-1.47%) | Filing History |
| 2023-02-10 1:48 pm Purchase | 2022-12-31 | 13G | KURA ONCOLOGY INC KURA | EcoR1 Capital, LLC | 6,638,371 9.900% | 2,094,924 (+46.11%) | Filing History |
| 2023-02-10 1:48 pm Sale | 2022-12-31 | 13G | GRITSTONE BIO INC GRTSQ | EcoR1 Capital, LLC | 0 0.000% | -6,319,232 (Position Closed) | Filing History |
| 2023-02-10 1:37 pm Purchase | 2022-12-31 | 13G | ATEA PHARMACEUTICALS INC AVIR | EcoR1 Capital, LLC | 6,184,861 7.400% | 808,727 (+15.04%) | Filing History |
| 2023-02-10 1:13 pm Sale | 2022-12-31 | 13G | ALECTOR INC ALEC | EcoR1 Capital, LLC | 4,056,548 4.900% | -938,422 (-18.79%) | Filing History |