<SEC-DOCUMENT>0001104659-20-016759-index.html : 20200211
<SEC-HEADER>0001104659-20-016759.hdr.sgml : 20200211
<ACCEPTANCE-DATETIME>20200211172429
ACCESSION NUMBER:		0001104659-20-016759
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200211
DATE AS OF CHANGE:		20200211
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:			0331

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-43841
		FILM NUMBER:		20598176

	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>a20-7477_1sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: a20-7477_1sc13da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>2
<FILENAME>a20-7477_1ex99d4.htm
<DESCRIPTION>EX-99.4
<TEXT>
Document 2 - file: a20-7477_1ex99d4.htm

</DOCUMENT>
</SEC-DOCUMENT>