-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, PRxLRjOKLPWRiy2ofI9w0WRUd+5T7upfFnIQG75GtGIoCdeH6IRreDto9bP9y6Iu AJIatxklJUsziCdCRpx0og== 0001104659-04-007252.txt : 20040312 0001104659-04-007252.hdr.sgml : 20040312 20040312170039 ACCESSION NUMBER: 0001104659-04-007252 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20040312 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: 0329 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43841 FILM NUMBER: 04666793 BUSINESS ADDRESS: STREET 1: 345 ENCINAL ST CITY: SANTA CRUZ STATE: CA ZIP: 95061-1802 BUSINESS PHONE: 8314265858 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: PRIMECAP MANAGEMENT CO/CA/ CENTRAL INDEX KEY: 0000763212 IRS NUMBER: 953868081 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 225 SOUTH LAKE AVE STE 400 CITY: PASADENA STATE: CA ZIP: 91101-3005 BUSINESS PHONE: 8183049222 MAIL ADDRESS: STREET 1: 225 SOUTH LAKE AVE SUITE 400 CITY: PASADENA STATE: CA ZIP: 91101 SC 13G/A 1 a04-3336_8sc13ga.htm SC 13G/A

 

 

UNITED STATES

 

 

SECURITIES AND EXCHANGE COMMISSION

 

 

Washington, D.C. 20549

 

 

SCHEDULE 13G

 

 

Under the Securities Exchange Act of 1934
(Amendment No. 6)*

 

Plantronics, Inc.

(Name of Issuer)

 

Common

(Title of Class of Securities)

 

727493108

(CUSIP Number)

 

 

(Date of Event Which Requires Filing of this Statement)

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o

Rule 13d-1(b)

o

Rule 13d-1(c)

o

Rule 13d-1(d)

 

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 

CUSIP No.  727493108

 

 

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
PRIMECAP Management Company

95-3868081

 

 

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

 

 

(a)

o

 

 

(b)

o

 

 

3.

SEC Use Only

 

 

4.

Citizenship or Place of Organization
225 South Lake Avenue #400, Pasadena, CA 91101-3005

 

 

 

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
-0-

 

6.

Shared Voting Power
-0-

 

7.

Sole Dispositive Power
5,872,050

 

8.

Shared Dispositive Power
-0-

 

 

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
5,872,050

 

 

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

 

 

11.

Percent of Class Represented by Amount in Row (9)
12.78%

 

 

12.

Type of Reporting Person (See Instructions)
IA

 

 

2

 

Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

 

February 27, 2004

 

Date

 


/s/ THEO A. KOLOKOTRONES

 

Signature

 


Theo A. Kolokotrones, President

 

Name/Title

 

 

3

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