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 |
| 2025-01-10 9:43 pm Sale | 2024-09-30 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 18,225,031 9.840% | -4,562,698 (-20.02%) | Filing History |
| 2024-11-12 09:53 am Purchase | 2024-10-31 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 22,787,729 12.270% | 1,873,403 (+8.96%) | Filing History |
| 2024-02-14 4:21 pm Purchase | 2023-12-31 | 13G | Cerus Corporation CERS | BAKER BROS. ADVISORS LP | 19,497,203 10.800% | 395,327 (+2.07%) | Filing History |
| 2024-02-13 5:01 pm Sale | 2023-12-29 | 13G | Cerus Corporation CERS | The Vanguard Group | 9,870,671 5.450% | -1,029,751 (-9.45%) | Filing History |
| 2024-01-29 4:00 pm Purchase | 2023-12-31 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 20,914,326 11.540% | 2,971,195 (+16.56%) | Filing History |
| 2024-01-26 11:49 am Purchase | 2023-12-31 | 13G | Cerus Corporation CERS | BlackRock Inc. BLK | 13,728,396 7.600% | 1,134,342 (+9.01%) | Filing History |
| 2023-11-13 4:22 pm Purchase | 2023-10-31 | 13G | Cerus Corporation CERS | BAKER BROS. ADVISORS LP | 19,101,876 10.500% | 3,014,454 (+18.74%) | Filing History |
| 2023-02-14 4:00 pm Purchase | 2022-12-31 | 13G | Cerus Corporation CERS | BAKER BROS. ADVISORS LP | 16,087,422 9.100% | 2,354,363 (+17.14%) | Filing History |
| 2023-02-10 2:49 pm Purchase | 2023-01-31 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 17,943,131 10.110% | 2,079,747 (+13.11%) | Filing History |
| 2023-02-10 11:57 am Purchase | 2022-12-31 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 15,863,384 8.940% | 105,340 (+0.67%) | Filing History |
| 2023-02-10 10:29 am Sale | 2022-12-31 | 13G | Cerus Corporation CERS | Nikko Asset Management Americas Inc. | 7,171,280 4.040% | -4,358,436 (-37.80%) | Filing History |
| 2023-02-09 11:12 am Purchase | 2022-12-30 | 13G | Cerus Corporation CERS | The Vanguard Group | 10,900,422 6.140% | 2,077,546 (+23.55%) | Filing History |
| 2023-02-03 06:10 am Sale | 2022-12-31 | 13G | Cerus Corporation CERS | Sumitomo Mitsui Trust Group Inc. | 7,171,280 4.040% | -4,358,436 (-37.80%) | Filing History |
| 2023-01-31 1:58 pm Purchase | 2022-12-31 | 13G | Cerus Corporation CERS | BlackRock Inc. BLK | 12,594,054 7.100% | 387,002 (+3.17%) | Filing History |
| 2023-01-09 4:01 pm Sale | 2022-12-31 | 13G | Cerus Corporation CERS | PRIMECAP MANAGEMENT CO | 8,849,600 4.990% | -872,700 (-8.98%) | Filing History |
| 2022-02-14 06:05 am Purchase | 2021-12-31 | 13G | Cerus Corporation CERS | Nikko Asset Management Americas Inc. | 11,529,716 6.690% | 426,506 (+3.84%) | Filing History |
| 2022-02-10 12:22 pm Sale | 2021-12-31 | 13G | Cerus Corporation CERS | PRIMECAP MANAGEMENT CO | 9,722,300 5.640% | -712,200 (-6.83%) | Filing History |
| 2022-02-09 3:33 pm Purchase | 2021-12-31 | 13G | Cerus Corporation CERS | The Vanguard Group | 8,822,876 5.120% | 139,878 (+1.61%) | Filing History |
| 2022-02-09 2:23 pm Sale | 2021-12-31 | 13G | Cerus Corporation CERS | ARK Investment Management LLC | 15,758,044 9.150% | -13,814,221 (-46.71%) | Filing History |
| 2022-02-04 06:05 am Purchase | 2021-12-31 | 13G | Cerus Corporation CERS | Sumitomo Mitsui Trust Group Inc. | 11,529,716 6.690% | 426,506 (+3.84%) | Filing History |