VANGUARD GROUP INC 13D and 13G filings for Ecovyst 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 |
| 2026-03-26 6:06 pm Sale | 2026-03-13 | 13G | ECOVYST INC ECVT | VANGUARD GROUP INC | 0 0.000% | -10,703,781 (Position Closed) | Filing |
| 2024-02-13 5:04 pm Purchase | 2023-12-29 | 13G | ECOVYST INC ECVT | VANGUARD GROUP INC | 10,703,781 9.220% | 2,218,589 (+26.15%) | Filing |
| 2023-02-09 11:16 am Purchase | 2022-12-30 | 13G | ECOVYST INC ECVT | VANGUARD GROUP INC | 8,485,192 6.510% | 8,485,192 (New Position) | Filing |