secwatch.observer — SEC 8-K summary ====================================== Issuer: Ecovyst Inc. (ECVT) CIK: 0001708035 Form: 8-K Filed at: 2025-12-12T23:59:59+00:00 Accession: 0001193125-25-317640 Event type: other_material Sentiment: neutral Materiality: 0.40 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Ecovyst awards supplemental retention bonus to AM&C president tied to Technip Energies sale -------------------------------------------------------------------------------- - VP Paul Whittleston gets supplemental bonus of 3 months base salary upon consummation of AM&C sale to Technip Energies. - Bonus is in addition to amounts from the retention program adopted Dec 9, 2024. - Award approved by Compensation Committee on Dec 8, 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1708035/000119312525317640/0001193125-25-317640-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1708035/000119312525317640/d79950d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-317640 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer