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 |
| 2022-02-14 6:27 pm Sale | 2021-12-31 | 13G | F-star Therapeutics, Inc. FSTX | Rock Springs Capital Management LP | 751,889 3.650% | -302,343 (-28.68%) | Filing History |
| 2022-02-14 6:26 pm Sale | 2021-12-31 | 13G | FIVE PRIME THERAPEUTICS INC FPRX | Rock Springs Capital Management LP | 0 0.000% | -3,041,559 (Position Closed) | Filing History |
| 2022-02-14 6:26 pm Sale | 2021-12-31 | 13G | Chiasma, Inc. CHMA | Rock Springs Capital Management LP | 0 0.000% | -3,243,600 (Position Closed) | Filing History |
| 2022-02-14 6:26 pm Sale | 2021-12-31 | 13G | Ardelyx, Inc. ARDX | Rock Springs Capital Management LP | 0 0.000% | -20,592,448 (Position Closed) | Filing History |
| 2022-02-14 6:25 pm Purchase | 2021-12-31 | 13G | Sierra Oncology, Inc. SRRA | Rock Springs Capital Management LP | 1,184,793 7.870% | 617,435 (+108.83%) | Filing History |
| 2022-02-14 6:24 pm Sale | 2021-12-31 | 13G | Spruce Biosciences, Inc. SPRB | Rock Springs Capital Management LP | 21,636 6.920% | -111 (-0.51%) | Filing History |
| 2022-02-14 6:24 pm Purchase | 2021-12-31 | 13G | PhaseBio Pharmaceuticals, Inc. PHASQ | Rock Springs Capital Management LP | 2,581,299 5.370% | 1,266,925 (+96.39%) | Filing History |
| 2022-02-14 6:23 pm Purchase | 2021-12-31 | 13G | Mirum Pharmaceuticals, Inc. MIRM | Rock Springs Capital Management LP | 1,538,814 5.020% | 42,289 (+2.83%) | Filing History |
| 2022-02-14 6:23 pm Purchase | 2021-12-31 | 13G | Immunocore Holdings plc IMCR | Rock Springs Capital Management LP | 2,471,555 5.640% | 141,770 (+6.09%) | Filing History |
| 2022-02-14 6:22 pm Purchase | 2021-12-31 | 13G | Compass Therapeutics, Inc. CMPX | Rock Springs Capital Management LP | 5,328,088 5.440% | 4,071 (+0.08%) | Filing History |
| 2022-02-14 6:22 pm Purchase | 2021-12-31 | 13G | Aclaris Therapeutics, Inc. ACRS | Rock Springs Capital Management LP | 3,861,347 6.310% | 1,185,247 (+44.29%) | Filing History |
| 2022-01-03 4:15 pm Purchase | 2021-12-22 | 13G | Tempest Therapeutics, Inc. TPST | Rock Springs Capital Management LP | 63,358 11.480% | 39,499 (+165.56%) | Filing History |
| 2021-12-30 4:40 pm Purchase | 2021-12-20 | 13G | Compass Therapeutics, Inc. CMPX | Rock Springs Capital Management LP | 5,324,017 5.430% | 5,324,017 (New Position) | Filing History |
| 2021-07-15 4:31 pm Sale | 2021-06-28 | 13G | Tempest Therapeutics, Inc. TPST | Rock Springs Capital Management LP | 23,859 4.670% | -25,538 (-51.70%) | Filing History |
| 2021-07-08 4:25 pm Purchase | 2021-06-28 | 13G | Tempest Therapeutics, Inc. TPST | Rock Springs Capital Management LP | 49,397 9.680% | 49,397 (New Position) | Filing History |
| 2021-06-24 4:29 pm Purchase | 2021-06-14 | 13G | Chiasma, Inc. CHMA | Rock Springs Capital Management LP | 3,243,600 5.600% | 3,243,600 (New Position) | Filing History |
| 2021-05-17 4:17 pm Purchase | 2021-05-07 | 13G | F-star Therapeutics, Inc. FSTX | Rock Springs Capital Management LP | 1,054,232 5.730% | 1,054,232 (New Position) | Filing History |
| 2021-04-19 4:25 pm Purchase | 2021-04-09 | 13G | Immunocore Holdings plc IMCR | Rock Springs Capital Management LP | 2,329,785 5.320% | 2,329,785 (New Position) | Filing History |
| 2021-03-01 5:00 pm Purchase | 2021-02-18 | 13G | FIVE PRIME THERAPEUTICS INC FPRX | Rock Springs Capital Management LP | 3,041,559 6.930% | 3,041,559 (New Position) | Filing History |
| 2021-02-16 4:32 pm Purchase | 2020-12-31 | 13G | Ardelyx, Inc. ARDX | Rock Springs Capital Management LP | 20,592,448 5.700% | 631,700 (+3.16%) | Filing History |