CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13D and 13G filings for Trinseo PLC:
- 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 |
| 2026-02-12 3:20 pm Purchase | 2025-12-31 | 13G | TRINSEO PLC TRINSEO PLC TSE | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,091,125 5.800% | 2,091,125 (New Position) | Filing |