0000950170-24-029194.txt : 20240311 0000950170-24-029194.hdr.sgml : 20240311 20240311160008 ACCESSION NUMBER: 0000950170-24-029194 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240307 FILED AS OF DATE: 20240311 DATE AS OF CHANGE: 20240311 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mahon Janice K CENTRAL INDEX KEY: 0001423446 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12031 FILM NUMBER: 24737900 MAIL ADDRESS: STREET 1: 375 PHILLIPS BLVD. STREET 2: 375 PHILLIPS BLVD. CITY: EWING STATE: NJ ZIP: 08618 FORMER NAME: FORMER CONFORMED NAME: DuFour Janice M DATE OF NAME CHANGE: 20170213 FORMER NAME: FORMER CONFORMED NAME: Mahon Janice K DATE OF NAME CHANGE: 20080110 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: UNIVERSAL DISPLAY CORP \PA\ CENTRAL INDEX KEY: 0001005284 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS & ACCESSORIES [3670] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 232372688 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 250 PHILLIPS BOULEVARD CITY: EWING STATE: NJ ZIP: 08618 BUSINESS PHONE: 6096710980 MAIL ADDRESS: STREET 1: 250 PHILLIPS BOULEVARD CITY: EWING STATE: NJ ZIP: 08618 4 1 ownership.xml 4 X0508 4 2024-03-07 false 0001005284 UNIVERSAL DISPLAY CORP \PA\ OLED 0001423446 Mahon Janice K C/O UNIVERSAL DISPLAY CORPORATION 250 PHILLIPS BLVD. EWING NJ 08618 false true false false SVP of Tech Commercialization false Common Stock 2024-03-07 4 A false 1014 0 A 44363 D Common Stock 2024-03-07 4 F false 518 172.74 D 43845 D Common Stock 2024-03-07 4 F false 1070 172.74 D 42775 D These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2021 compensation and vested subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on March 7, 2024 as having occurred. These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2024 of 1,014 shares of restricted stock previously granted to the Reporting Person. These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2024 of 2,092 shares of restricted stock previously granted to the Reporting Person. /s/ Janice K. Mahon (by Mauro Premutico as power of attorney) 2024-03-11