{"transactions":[{"id":4633164,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-03T00:00:09.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":455,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2735.872,"source":{"system":"sec-edgar","filing":"0001193125-26-412196","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000119312526412196/ownership.xml","form_type":"4"}},{"id":719360,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-02T20:00:13.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":455,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2280.872,"source":{"system":"sec-edgar","filing":"0001193125-26-294438","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000119312526294438/ownership.xml","form_type":"4"}},{"id":821101,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-02T20:00:09.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":456,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3.872 shares purchased through dividend reinvestment."}],"balance_after":1825.872,"source":{"system":"sec-edgar","filing":"0001193125-26-140007","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000119312526140007/ownership.xml","form_type":"4"}},{"id":953185,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-05T21:00:18.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":341,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1366,"source":{"system":"sec-edgar","filing":"0001193125-26-002353","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000119312526002353/ownership.xml","form_type":"4"}},{"id":1028205,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-02T20:00:19.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":341,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1025,"source":{"system":"sec-edgar","filing":"0001193125-25-228256","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000119312525228256/ownership.xml","form_type":"4"}},{"id":1096423,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-02T20:00:30.000Z","date":"2025-06-30","kind":"grant","planned":false,"acquired":true,"shares":342,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":684,"source":{"system":"sec-edgar","filing":"0000950170-25-092919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000095017025092919/ownership.xml","form_type":"4"}},{"id":1184673,"issuer":{"id":4078,"kind":"organization","name":"UNIVERSAL DISPLAY CORP \\PA\\","symbol":"OLED"},"owners":[{"id":33279,"kind":"person","name":"Walker April","position":1,"cik":"0002049684","reported_name":"Walker April","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-02T20:00:13.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":342,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":342,"source":{"system":"sec-edgar","filing":"0000950170-25-049270","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1005284/000095017025049270/ownership.xml","form_type":"4"}}]}