-----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, HsQm0aSb8G+M0x3Yfy9tBS05Pd4kLLZxvr+S3v4TD2hY8165Q38qaCFisQSceGhz +k3YjSozDpasUHRuqOzmXA== 0000912057-01-007454.txt : 20010312 0000912057-01-007454.hdr.sgml : 20010312 ACCESSION NUMBER: 0000912057-01-007454 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010309 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: 0327 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-43841 FILM NUMBER: 1565437 BUSINESS ADDRESS: STREET 1: 337 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 STANDARD INDUSTRIAL CLASSIFICATION: [] 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 a2041054zsc13ga.txt 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* ------ Plantronics, Inc. ---------------------------------- (Name of Issuer) Common ---------------------------------- (Title of Class of Securities) 727493108 ---------------------------------- (CUSIP Number) *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 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). (Continued on following page(s)) Page 1 of 4 Pages --- CUSIP No. 727493108 13G Page 2 of 4 Pages --------- --- --- - ------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above Persons PRIMECAP Management Company 95-3868081 - ------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) / / of a Group* (b) / / - ------------------------------------------------------------------------------- (3) SEC Use Only - ------------------------------------------------------------------------------- (4) Citizenship or Place of Organization 225 South Lake Avenue #400, Pasadena, CA 91101-3005 - ------------------------------------------------------------------------------- Number of Shares (5) Sole Voting Beneficially Power -0- Owned by -------------------------------------------------- Each Reporting (6) Shared Voting Person With Power -0- -------------------------------------------------- (7) Sole Dispositive Power 5,824,000 -------------------------------------------------- (8) Shared Dispositive Power -0- - ------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person 5,824,000 - ------------------------------------------------------------------------------- (10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares* - ------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9) 11.84% - ------------------------------------------------------------------------------- (12) Type of Reporting Person* IA - ------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 3 of 4 Pages --- --- ITEM 1(A). NAME OF ISSUER - ------------------------------------------------------------------------------- ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES - ------------------------------------------------------------------------------- ITEM 2(A). NAME OF PERSON(S) FILING - ------------------------------------------------------------------------------- ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE - ------------------------------------------------------------------------------- ITEM 2(C). CITIZENSHIP - ------------------------------------------------------------------------------- ITEM 2(D). TITLE OF CLASS OF SECURITIES - ------------------------------------------------------------------------------- ITEM 2(E). CUSIP NUMBER - ------------------------------------------------------------------------------- ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR 13D-2(B), CHECK WHETHER THE PERSON FILING IS A (a) / / Broker or Dealer registered under Section 15 of the Act (b) / / Bank as defined in section 3(a)(6) of the Act (c) / / Insurance Company as defined in section 3(a)(19) of the Act (d) / / Investment Company registered under section 8 of the Investment Company Act (e) / / Investment Adviser registered under section 203 of the Investment Advisers Act of 1940 (f) / / Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F) (g) / / Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G) (Note: See Item 7) (h) / / Group, in accordance with Rule 13d-1(b)(1)(ii)(H) Page 4 of 4 pages --- --- ITEM 4. OWNERSHIP (a) Amount Beneficially Owned: --------------------------------------------------------------------------- (b) Percent of Class: --------------------------------------------------------------------------- (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote (ii) shared power to vote or to direct the vote (iii) sole power to dispose or to direct the disposition of (iv) shared power to dispose or to direct the disposition of INSTRUCTION: For computation regarding securities which represent a right to acquire an underlying security see Rule 13d-3(d)(1). ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following / /. INSTRUCTION: Dissolution of a group requires a response to this item. ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON. If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than five percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c), attach an exhibit stating the identification of the relevant subsidiary. ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP If a group has filed this schedule pursuant to Rule 13d-1(b)(ii)(H), so indicate under Item 3(h) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to Rule 13d-1(c), attach an exhibit stating the identity of each member of the group. ITEM 9. NOTICE OF DISSOLUTION OF GROUP Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5. ITEM 10. CERTIFICATION The following certification shall be included if the statement is filed pursuant to Rule 13d-1(b): By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect. 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. 2/28/2001 -------------------------------- Date /s/ Theo A. Kolokotrones -------------------------------- Signature Theo A. Kolokotrones, President -------------------------------- Name/Title -----END PRIVACY-ENHANCED MESSAGE-----