<SEC-DOCUMENT>0001104659-20-129081-index.html : 20201124 <SEC-HEADER>0001104659-20-129081.hdr.sgml : 20201124 <ACCEPTANCE-DATETIME>20201124172359 ACCESSION NUMBER: 0001104659-20-129081 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20201124 DATE AS OF CHANGE: 20201124 GROUP MEMBERS: SIRIS CAPITAL GROUP III, L.P. GROUP MEMBERS: SIRIS GP HOLDCO III, LLC GROUP MEMBERS: SIRIS GROUP GP, LLC GROUP MEMBERS: SIRIS PARTNERS GP III, L.P. GROUP MEMBERS: SIRIS PARTNERS III PARALLEL, L.P. GROUP MEMBERS: SIRIS PARTNERS III, L.P. GROUP MEMBERS: TRIANGLE PRIVATE HOLDINGS I, LLC GROUP MEMBERS: TRIANGLE PRIVATE HOLDINGS II, LLC GROUP MEMBERS: TRIANGLE PRIVATE INVESTMENTS, LLC 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: 0403 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43841 FILM NUMBER: 201345459 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: Siris Capital Group, LLC CENTRAL INDEX KEY: 0001705438 IRS NUMBER: 274069186 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: C/O SIRIS CAPITAL GROUP STREET 2: 601 LEXINGTON AVENUE, 59TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2122310095 MAIL ADDRESS: STREET 1: C/O SIRIS CAPITAL GROUP STREET 2: 601 LEXINGTON AVENUE, 59TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13D/A <SEQUENCE>1 <FILENAME>a20-37015_1sc13da.htm <DESCRIPTION>SC 13D/A <TEXT> Document 1 - file: a20-37015_1sc13da.htm
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