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 |
| 2021-02-16 9:56 pm Sale | 2020-12-31 | 13G | Castle Biosciences, Inc. CSTL | BRADBURY DANIEL | 743,420 3.000% | -165,158![]() (-18.18%) | Filing History |
| 2021-02-16 9:44 pm Sale | 2020-12-31 | 13G | Castle Biosciences, Inc. CSTL | MAETZOLD DEREK J | 1,655,275 6.620% | -297,940![]() (-15.25%) | Filing History |
| 2021-02-16 4:11 pm Sale | 2020-12-31 | 13G | Castle Biosciences, Inc. CSTL | MGC Venture Partners 2013 GP LLC | 741,305 3.100% | -1,213,603![]() (-62.08%) | Filing History |
| 2021-02-12 4:05 pm Sale | 2020-12-31 | 13G | Castle Biosciences, Inc. CSTL | Industry Ventures Healthcare LLC | 0 0.000% | -1,253,493![]() (Position Closed) | Filing History |
| 2021-02-11 1:32 pm Purchase | 2021-02-11 | 13G | Castle Biosciences, Inc. CSTL | Wasatch Advisors LP | 2,064,831 8.400% | 2,064,831![]() (New Position) | Filing History |
| 2021-02-10 4:37 pm Purchase | 2021-01-31 | 13G | Castle Biosciences, Inc. CSTL | ARK Investment Management LLC | 2,552,497 10.440% | 2,552,497![]() (New Position) | Filing History |

