-----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, R539IckrNOIUzbZLRjLWJnm33GZIf1fQP3+0bagR9sU2IGWyqK/hanA0gfQXPt88 9qFHU8hWA/p/ZV7eckXhVQ== 0000892569-99-001045.txt : 19990419 0000892569-99-001045.hdr.sgml : 19990419 ACCESSION NUMBER: 0000892569-99-001045 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19990416 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: KOMAG INC /DE/ CENTRAL INDEX KEY: 0000813347 STANDARD INDUSTRIAL CLASSIFICATION: MAGNETIC & OPTICAL RECORDING MEDIA [3695] IRS NUMBER: 942914864 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-39184 FILM NUMBER: 99596307 BUSINESS ADDRESS: STREET 1: 1704 AUTOMATION PWY CITY: SAN JOSE STATE: CA ZIP: 95131 BUSINESS PHONE: 4089462300 MAIL ADDRESS: STREET 1: 1704 AUTOMATION PWY CITY: SAN JOSE STATE: CA ZIP: 95131 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WESTERN DIGITAL CORP CENTRAL INDEX KEY: 0000106040 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 952647125 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 8105 IRVINE CENTER DR CITY: IRVINE STATE: CA ZIP: 92718 BUSINESS PHONE: 7149325000 MAIL ADDRESS: STREET 1: 8105 IRVINE CENTER DR CITY: IRVINE STATE: CA ZIP: 92718 FORMER COMPANY: FORMER CONFORMED NAME: GENERAL DIGITAL CORP DATE OF NAME CHANGE: 19730125 SC 13G 1 SCHEDULE 13G FOR KOMAG, INCORPORATED 1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (RULE 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c), AND (d) PURSUANT TO RULE 13d-2(b) (Amendment No.____) KOMAG, INCORPORATED - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, Par Value $.01 Per Share - -------------------------------------------------------------------------------- (Title of Class of Securities) 500453-10-5 - -------------------------------------------------------------------------------- (CUSIP Number) April 8, 1999 - -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] 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). 2 - ------------------------------ ------------------------- CUSIP NO. 500453-10-5 13G PAGE 2 OF 5 PAGES - ------------------------------ ------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Western Digital Corporation (95-2647125) --------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] --------------------------------------------------------------------- (3) SEC USE ONLY --------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware --------------------------------------------------------------------- (5) SOLE VOTING POWER NUMBER OF 10,783,132 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER OWNED BY 0 EACH -------------------------------------------------------- REPORTING (7) SOLE DISPOSITIVE POWER PERSON WITH 10,783,132 -------------------------------------------------------- (8) SHARED DISPOSITIVE POWER 0 -------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 10,783,132 --------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES* [ ] --------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 16.7% --------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON* CO --------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! 3 ITEM 1(a). NAME OF ISSUER: Komag, Incorporated ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 1704 Automation Parkway, San Jose, California 95131 ITEM 2(a) NAME OF PERSON FILING: Western Digital Corporation ITEM 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: 8105 Irvine Center Drive, Irvine, California 92618 ITEM 2(c) CITIZENSHIP: Delaware ITEM 2(d) TITLE OF CLASS OF SECURITIES: Common Stock, Par Value $.01 Per Share ITEM 2(e) CUSIP NUMBER: 500453-10-5 ITEM 3. This statement is filed pursuant to rule 13d-1(c) ITEM 4. OWNERSHIP (a) Amount Beneficially Owned: 10,783,132 (b) Percent of Class: 16.7% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 10,783,132 (ii) shared power to vote or to direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 10,783,132 (iv) shared power to dispose or to direct the disposition of: 0 4 ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS Not Applicable ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON. Not Applicable ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY Not Applicable ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP Not Applicable ITEM 9. NOTICE OF DISSOLUTION OF GROUP Not Applicable ITEM 10. CERTIFICATION By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 5 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. DATED: April 16, 1999 By: /s/ MICHAEL A. CORNELIUS ------------------------------------ Michael A. Cornelius Vice President, Law & Administration -----END PRIVACY-ENHANCED MESSAGE-----