Quick Takeaways
- Rubric Capital Management LP filed SCHEDULE 13G for Ecovyst Inc. Common Stock, par value $0.01 per share (ECVT).
- Disclosed ownership: 9.1%.
- Date of event: 30 Sep 2025.
Quoteable Key Fact
"Rubric Capital Management LP disclosed 9.1% ownership in Ecovyst Inc. Common Stock, par value $0.01 per share (ECVT) on 30 Sep 2025."
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Rubric Capital Management LP | 9.1% | 10,400,000 | 0 | 10,400,000 | /s/ Michael Nachmani | Michael Nachmani / Chief Operating Officer | |
| David Rosen | 9.1% | 10,400,000 | 0 | 10,400,000 | /s/ David Rosen | David Rosen / Individually |