<SEC-DOCUMENT>0001193125-21-041477-index.html : 20210212 <SEC-HEADER>0001193125-21-041477.hdr.sgml : 20210212 <ACCEPTANCE-DATETIME>20210212160759 ACCESSION NUMBER: 0001193125-21-041477 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20210212 DATE AS OF CHANGE: 20210212 GROUP MEMBERS: IVY INVESTMENT MANAGEMENT CO SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: UNIVERSAL DISPLAY CORP \PA\ CENTRAL INDEX KEY: 0001005284 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS & ACCESSORIES [3670] IRS NUMBER: 232372688 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-61941 FILM NUMBER: 21627296 BUSINESS ADDRESS: STREET 1: 375 PHILLIPS BOULEVARD CITY: EWING STATE: NJ ZIP: 08618 BUSINESS PHONE: 6096710980 MAIL ADDRESS: STREET 1: 375 PHILLIPS BOULEVARD STREET 2: 375 PHILLIPS BOULEVARD CITY: EWING STATE: NJ ZIP: 08618 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WADDELL & REED FINANCIAL INC CENTRAL INDEX KEY: 0001052100 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 510261715 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 6300 LAMAR AVE CITY: OVERLAND PARK STATE: KS ZIP: 66202-4200 BUSINESS PHONE: 9132362000 MAIL ADDRESS: STREET 1: PO BOX 29217 CITY: SHAWNEE MISSION STATE: KS ZIP: 66201-9217 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>d122146dsc13g.htm <DESCRIPTION>UNIVERSAL DISPLAY CORP \PA\ <TEXT> Document 1 - file: d122146dsc13g.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>d122146dex991.htm <DESCRIPTION>JOINT FILING AGREEMENT <TEXT> Document 2 - file: d122146dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>d122146dex992.htm <DESCRIPTION>IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY <TEXT> Document 3 - file: d122146dex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.3 <SEQUENCE>4 <FILENAME>d122146dex993.htm <DESCRIPTION>POWER OF ATTORNEY <TEXT> Document 4 - file: d122146dex993.htm
</DOCUMENT> </SEC-DOCUMENT>