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 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>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2021-12-30 4:40 pm Purchase | 13G | COMPASS THERAPEUTICS INC CMPX | Rock Springs Capital Management LP | 5,324,017 5.43% | 5,324,017 (New Position) | View |
| 2021-07-15 4:31 pm Sale | 13G | TEMPEST THERAPEUTICS INC TPST | Rock Springs Capital Management LP | 310,161 4.67% | -331,994 (-51.70%) | View |
| 2021-07-08 4:25 pm Purchase | 13G | TEMPEST THERAPEUTICS INC TPST | Rock Springs Capital Management LP | 642,155 9.68% | 642,155 (New Position) | View |
| 2021-06-24 4:29 pm Purchase | 13G | CHIASMA INC CHMA | Rock Springs Capital Management LP | 3,243,600 5.6% | 3,243,600 (New Position) | View |
| 2021-05-17 4:17 pm Purchase | 13G | F-STAR THERAPEUTICS INC FSTX | Rock Springs Capital Management LP | 1,054,232 5.73% | 1,054,232 (New Position) | View |
| 2021-04-19 4:25 pm Purchase | 13G | IMMUNOCORE HLDGS PLC ADS IMCR | Rock Springs Capital Management LP | 2,329,785 5.32% | 2,329,785 (New Position) | View |
| 2021-03-01 5:00 pm Purchase | 13G | FIVE PRIME THERAPEUTICS INC FPRX | Rock Springs Capital Management LP | 3,041,559 6.93% | 3,041,559 (New Position) | View |
| 2021-02-16 4:32 pm Purchase | 13G | ARDELYX INC ARDX | Rock Springs Capital Management LP | 5,148,112 5.7% | 157,925 (+3.16%) | View |
| 2021-02-16 4:32 pm Purchase | 13G | MIRUM PHARMACEUTICALS INC MIRM | Rock Springs Capital Management LP | 1,496,525 5.08% | 251,525 (+20.20%) | View |
| 2021-02-16 4:32 pm Purchase | 13G | ACLARIS THERAPEUTICS INC ACRS | Rock Springs Capital Management LP | 2,676,100 6.24% | 462,244 (+20.88%) | View |
| 2021-02-16 4:32 pm Sale | 13G | PHASEBIO PHARMACEUTICALS INC C PHAS | Rock Springs Capital Management LP | 1,314,374 4.48% | -337,500 (-20.43%) | View |
| 2021-02-16 4:32 pm Sale | 13G | SPRUCE BIOSCIENCES INC SPRB | Rock Springs Capital Management LP | 1,631,000 7.03% | -77,673 (-4.55%) | View |
| 2021-02-16 4:32 pm Purchase | 13G | SIERRA ONCOLOGY INC SRRA | Rock Springs Capital Management LP | 567,358 5.14% | 12,281 (+2.21%) | View |
| 2021-02-16 4:32 pm Sale | 13G | PROTARA THERAPEUTICS INC TARA | Rock Springs Capital Management LP | 643,200 5.74% | -422 (-0.07%) | View |
| 2020-11-16 4:59 pm Purchase | 13G | PHASEBIO PHARMACEUTICALS INC C PHAS | Rock Springs Capital Management LP | 1,651,874 5.63% | 526,874 (+46.83%) | View |
| 2020-10-26 4:49 pm Purchase | 13G | ACLARIS THERAPEUTICS INC ACRS | Rock Springs Capital Management LP | 2,213,856 5.18% | 613,856 (+38.37%) | View |
| 2020-10-19 4:23 pm Purchase | 13G | SIERRA ONCOLOGY INC SRRA | Rock Springs Capital Management LP | 555,077 5.34% | 555,077 (New Position) | View |
| 2020-10-19 4:14 pm Purchase | 13G | SPRUCE BIOSCIENCES INC SPRB | Rock Springs Capital Management LP | 1,708,673 7.38% | 1,708,673 (New Position) | View |
| 2020-10-02 3:38 pm Purchase | 13G | PROTARA THERAPEUTICS INC TARA | Rock Springs Capital Management LP | 643,622 6.16% | 643,622 (New Position) | View |
| 2020-02-14 1:49 pm Sale | 13G | ACLARIS THERAPEUTICS INC ACRS | Rock Springs Capital Management LP | 1,600,000 3.87% | -500,000 (-23.81%) | View |