WELLINGTON MANAGEMENT GROUP LLP 13D and 13G filings for Mayville Engineering Company, 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 |
| 2022-02-04 09:29 am Sale | 2021-12-31 | 13G | Mayville Engineering Company, Inc. MEC | WELLINGTON MANAGEMENT GROUP LLP | 304,998 1.490% | -959,052 (-75.87%) | Filing |
| 2021-02-04 11:31 am Purchase | 2020-12-31 | 13G | Mayville Engineering Company, Inc. MEC | WELLINGTON MANAGEMENT GROUP LLP | 1,264,050 6.300% | 1,264,050 (New Position) | Filing |