{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-22-026088","form_type":"8-K","ticker":"OLED","cik":"0001005284","company_name":"UNIVERSAL DISPLAY CORP PA","filed_at":"2022-12-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.183042+00:00","generated_at":"2026-06-21T08:31:33.617906+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Founder and Chairman Emeritus Sherwin Seligsohn dies December 3, 2022","bullets":["Sherwin I. Seligsohn, founder of Universal Display, passed away on Dec 3, 2022.","He served as Chairman from 1995 until June 2022, then became Chairman Emeritus.","Elizabeth H. Gemmill succeeded him as Board Chair in June 2022.","Seligsohn also founded InterDigital (IDCC) and held leadership roles there."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-22-026088","json":"https://secwatch.observer/filing/0000950170-22-026088.json","markdown":"https://secwatch.observer/filing/0000950170-22-026088.md","text":"https://secwatch.observer/filing/0000950170-22-026088.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1005284/000095017022026088/0000950170-22-026088-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1005284/000095017022026088/oled-20221203.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T08:31:33.617906+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":"1f318fb8a9","claim":"Sherwin I. Seligsohn departed as Director and Chairman Emeritus at UNIVERSAL DISPLAY CORP PA.","evidence_excerpt":"Universal Display Corporation deeply regrets to announce that Sherwin I. Seligsohn, Company Founder, Director and Chairman Emeritus, died on December 3, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1005284/000095017022026088/0000950170-22-026088-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"died"},{"label":"Role","value":"Director and Chairman Emeritus"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}