<SEC-DOCUMENT>0000932471-19-002166-index.html : 20190131 <SEC-HEADER>0000932471-19-002166.hdr.sgml : 20190131 <ACCEPTANCE-DATETIME>20190131135041 ACCESSION NUMBER: 0000932471-19-002166 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190131 DATE AS OF CHANGE: 20190131 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PLANTRONICS INC /CA/ CENTRAL INDEX KEY: 0000914025 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 770207692 STATE OF INCORPORATION: DE FISCAL YEAR END: 0330 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43841 FILM NUMBER: 19554794 BUSINESS ADDRESS: STREET 1: 345 ENCINAL ST CITY: SANTA CRUZ STATE: CA ZIP: 95061-1802 BUSINESS PHONE: 8314587828 MAIL ADDRESS: STREET 1: 345 ENCINAL STREET STREET 2: PO BOX 1802 CITY: SANTA CRUZ STATE: CA ZIP: 95061-1802 FORMER COMPANY: FORMER CONFORMED NAME: PI PARENT CORP DATE OF NAME CHANGE: 19931025 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD CHESTER FUNDS CENTRAL INDEX KEY: 0000752177 IRS NUMBER: 232311358 FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: P.O. BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD PRIMECAP FUND/ DATE OF NAME CHANGE: 20011121 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD/PRIMECAP FUND INC DATE OF NAME CHANGE: 19940608 FORMER COMPANY: FORMER CONFORMED NAME: PRIMECAP FUND INC DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>plantronicsinc.htm <TEXT> Document 1 - file: plantronicsinc.htm
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