DISCIPLINED GROWTH INVESTORS INC 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 |
| 2025-02-14 3:07 pm Purchase |
2024-12-31 | 13G | Proto Labs, Inc. PRLB |
DISCIPLINED GROWTH INVESTORS INC | 2,173,699 8.900% |
117,106 (+5.69%) |
Filing |
| 2024-11-14 4:36 pm Purchase |
2024-09-30 | 13G | Proto Labs, Inc. PRLB |
DISCIPLINED GROWTH INVESTORS INC | 2,056,593 8.400% |
316,955 (+18.22%) |
Filing |
| 2024-02-14 12:19 pm Sale |
2023-12-31 | 13G | Proto Labs, Inc. PRLB |
DISCIPLINED GROWTH INVESTORS INC | 1,739,638 6.740% |
-382,253 (-18.01%) |
Filing |
| 2023-02-14 3:41 pm Purchase |
2022-12-31 | 13G | Proto Labs, Inc. PRLB |
DISCIPLINED GROWTH INVESTORS INC | 2,121,891 7.820% |
329,898 (+18.41%) |
Filing |
| 2022-02-14 5:49 pm Purchase |
2021-12-31 | 13G | Proto Labs, Inc. PRLB |
DISCIPLINED GROWTH INVESTORS INC | 1,791,993 6.500% |
1,791,993 (New Position) |
Filing |