-----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, GEvjYMau9lRHqaQ2RLytINAVncMZvpC1MeSjc+HDO32c7UJ9TyhhMOJyv7PwJaTf j35NV+fwvGduNHIvpYOjNw== 0000950109-96-000123.txt : 19960111 0000950109-96-000123.hdr.sgml : 19960111 ACCESSION NUMBER: 0000950109-96-000123 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19960109 SROS: NONE SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ALPHA INDUSTRIES INC CENTRAL INDEX KEY: 0000004127 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 042302115 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-34048 FILM NUMBER: 96502028 BUSINESS ADDRESS: STREET 1: 20 SYLVAN RD CITY: WOBURN STATE: MA ZIP: 01801 BUSINESS PHONE: 6179355150 MAIL ADDRESS: STREET 1: 20 SYLVAN RD STREET 2: 20 SYLVAN RD CITY: WOBURN STATE: MA ZIP: 01801 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WESTFIELD CAPITAL MANAGEMENT CO INC CENTRAL INDEX KEY: 0000857696 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 043042550 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: ONE FINANCIAL CENTER CITY: BOSTON STATE: MA ZIP: 02111 MAIL ADDRESS: STREET 1: ONE FINANCIAL CENTER CITY: BOSTON STATE: MA ZIP: 02111 SC 13G 1 SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. __________)* Alpha Industries Inc. --------------------------------------------------------------- (Name of Issuer) Common Stock, $0.01 par value per share --------------------------------------------------------------- (Title of Class of Securities) 020753109 ------------------------------ (CUSIP Number) Check the following box if a fee is being paid with the statement [X]. (A fee is not required only if the reporting person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7.) 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 disclosures provided in a prior cover page. The information required on 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). Page 1 of 5 Pages - ----------------------- --------------------- CUSIP NO. 000000-00-0 13G PAGE 2 OF 5 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Westfield Capital Management Company, Inc. 04-3042550 - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Massachusetts - ------------------------------------------------------------------------------ 5. SOLE VOTING POWER 927,300 shs. NUMBER OF ----------------------------------------------------------- SHARES 6. SHARED VOTING POWER BENEFICIALLY OWNED BY ----------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING 927,300 shs. PERSON ----------------------------------------------------------- WITH 8. SHARED DISPOSITIVE POWER - ------------------------------------------------------------------------------ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 927,300 shs. - ------------------------------------------------------------------------------ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 9.8555% - ------------------------------------------------------------------------------ 12. TYPE OF REPORTING PERSON* Investment Advisor registered under the Investment Advisors Act of 1940 - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 5 Pages Item 1(a). Alpha Industries Inc. ---------------------------------------------------- 20 Sylvan Road Item 1(b). Weburn, MA 01501 ---------------------------------------------------- Item 2(a). Westfield Capital Management Company, Inc. ---------------------------------------------------- One Financial Center Item 2(b). Boston MA 02111 ---------------------------------------------------- Item 2(c). Massachusetts ---------------------------------------------------- Item 2(d). Common Stock, par value $.01 per share ---------------------------------------------------- Item 2(e). 020753109 ---------------------------------------------------- Item 3. Yes - Investment Advisor under the Investment Advisor's Act of 1940 ---------------------------------------------------- Item 4(a). 927,300 shs. ---------------------------------------------------- Item 4(b). 9.8555% ---------------------------------------------------- Item 4(c). (i) 927,300 shs. -------------------------------------------- (ii) -------------------------------------------- (iii) 927,300 shs. -------------------------------------------- (iv) -------------------------------------------- Item 5. Not Applicable ---------------------------------------------------- Item 6. Not Applicable ---------------------------------------------------- Item 7. Not Applicable ---------------------------------------------------- Page 4 of 5 Pages Item 8. Not Applicable ---------------------------------------------------- Item 9. Not Applicable ---------------------------------------------------- Item 10. Certification ---------------------------------------------------- By signing below the undersigned certifies that, to the best of its 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. Page 5 of 5 Pages 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. 1/5/96 - -------------------------------------------- Date - -------------------------------------------- Signature Arthur J. Bauernfeind, President - -------------------------------------------- Name/Title -----END PRIVACY-ENHANCED MESSAGE-----