WELLINGTON MANAGEMENT GROUP LLP 13D and 13G filings for Atreca, 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 |
| 2021-12-10 09:45 am Sale | 2021-11-30 | 13G | Atreca, Inc. BCEL | WELLINGTON MANAGEMENT GROUP LLP | 1,300,000 4.270% | -2,057,984 (-61.29%) | Filing |
| 2021-02-03 1:33 pm Sale | 2020-12-31 | 13G | Atreca, Inc. BCEL | WELLINGTON MANAGEMENT GROUP LLP | 3,357,984 11.200% | -14,835 (-0.44%) | Filing |