The Vanguard Group 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 |
| 2024-02-13 5:12 pm Sale | 2023-12-29 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 2,922,263 11.330% | -122,301 (-4.02%) | Filing |
| 2023-02-09 11:30 am Purchase | 2022-12-30 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 3,044,564 11.230% | 70,784 (+2.38%) | Filing |
| 2022-03-09 08:44 am Purchase | 2022-02-28 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 2,973,780 10.830% | 263,025 (+9.70%) | Filing |
| 2022-02-10 08:32 am Sale | 2021-12-31 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 2,710,755 9.830% | -32,295 (-1.18%) | Filing |
| 2021-02-10 11:40 am Purchase | 2020-12-31 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 2,743,050 10.250% | 61,104 (+2.28%) | Filing |
| 2020-02-11 7:35 pm Sale | 2019-12-31 | 13G | Proto Labs, Inc. PRLB | The Vanguard Group | 2,681,946 10.020% | -23,589 (-0.87%) | Filing |