ARK Investment Management LLC 13D and 13G filings for Proto Labs, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2021-02-16 4:33 pm Purchase |
2020-12-31 | 13G | Proto Labs, Inc. PRLB |
ARK Investment Management LLC | 4,119,922 15.400% |
1,025,887 (+33.16%) |
Filing |
| 2020-10-09 2:04 pm Purchase |
2020-08-31 | 13G | Proto Labs, Inc. PRLB |
ARK Investment Management LLC | 3,094,035 11.590% |
3,094,035 (New Position) |
Filing |