{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-21-013574","form_type":"8-K","ticker":"TSEOF","cik":"0001519061","company_name":"Trinseo PLC","filed_at":"2021-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.836386+00:00","generated_at":"2026-06-28T17:26:40.334298+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Trinseo appoints Paula Cooney as SVP CHRO effective Nov 29; Heezen departs","bullets":["Paula Cooney appointed SVP, Chief Human Resources Officer, effective November 29, 2021.","Alice Heezen leaves to pursue other opportunities; will serve in advisory role.","Cooney previously SVP HR at FLIR Systems and VP HR at H.B. Fuller.","Separation agreement: Heezen receives base salary through employment end and full 2021 bonus."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-21-013574","json":"https://secwatch.observer/filing/0001558370-21-013574.json","markdown":"https://secwatch.observer/filing/0001558370-21-013574.md","text":"https://secwatch.observer/filing/0001558370-21-013574.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1519061/000155837021013574/0001558370-21-013574-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1519061/000155837021013574/tse-20211021x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T17:26:40.334298+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"6a0802e29c","claim":"Paula M. Cooney was appointed as Senior Vice President, Chief Human Resources Officer at Trinseo PLC.","evidence_excerpt":"Effective as of November 29, 2021, Paula M. Cooney, will join the Company as Senior Vice President, Chief Human Resources Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1519061/000155837021013574/0001558370-21-013574-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will join"},{"label":"Role","value":"Senior Vice President, Chief Human Resources Officer"}],"fact_type":"executive_change"},{"claim_id":"b011a21bb3","claim":"Alice Heezen departed as Senior Vice President, Human Resources at Trinseo PLC.","evidence_excerpt":"On October 27, 2021, Trinseo PLC (the “Company”) announced that Alice Heezen, the Company’s Senior Vice President, Human Resources is leaving the Company to pursue other opportunities.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1519061/000155837021013574/0001558370-21-013574-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"leaving"},{"label":"Role","value":"Senior Vice President, Human Resources"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}