-----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, BcS3KiiVk6spmJcvNPtsQGQVCe9g3bNvmTo6dms6FI+zV22UzEJ2YdJAI/oIwlDV 4U+ZwNn3b6d1MaY2eh+uzQ== 0000734072-02-000035.txt : 20020517 0000734072-02-000035.hdr.sgml : 20020517 20020517142347 ACCESSION NUMBER: 0000734072-02-000035 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20020517 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CUBIST PHARMACEUTICALS INC CENTRAL INDEX KEY: 0000912183 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 223192085 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-47321 FILM NUMBER: 02656038 BUSINESS ADDRESS: STREET 1: 65 HAYDEN AVENUE CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: 781-860-8660 MAIL ADDRESS: STREET 1: 24 EMILY ST CITY: CAMBRIDGE STATE: MA ZIP: 02139 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PIONEER INVESTMENT MANAGEMENT INC /ADV CENTRAL INDEX KEY: 0000734072 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 131961193 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 60 STATE ST STREET 2: 19TH FLOOR CITY: BOSTON STATE: MA ZIP: 02109 BUSINESS PHONE: 6177427825 FORMER COMPANY: FORMER CONFORMED NAME: PIONEERING MANAGEMENT CORP /ADV DATE OF NAME CHANGE: 19930824 SC 13G/A 1 cubist.txt SCHEDULE 13G CUBIST PHARMACEUTICALS, INC. SECURITIES EXCHANGE COMMISSION Washington, DC 20549 Under the Securities Exchange Act of 1934 (Amendment No. 0 ) CUBIST PHARMACEUTICALS, INC. (Name of Issuer) (Title of Class of Securities) May 10, 2002 (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) 229678107 (CUSIP NUMBER) 1) Name of Reporting Pioneer Person Global Asset Management IRS Identification 98-0362802 No. of Above 2) Check the Appropriate Box (a) of A Member of Group (See Instructions) (b) 3) SEC Use Only 4) Citizenship of Place of Organization Milan,Italy Number of (5) Sole Voting 1455252 Shares Power Beneficially Owned (6) Shared Voting 0 by Each Reporting Power Person With (7) Sole Dispositive 1455252 Power (8) Shared Disposi- 0 tive Power 9) Aggregate Amount Beneficially 1455252 Owned by Each Reporting Person 10) Check if the aggregate Amount in Row (9) Exclude Certain Shares (See Instructions) 11) Percent of Class Represented By Amount in Row 9. 5.11% 12) Type of Reporting Person (See Instructions) 00 Item 1(a) Name of Issuer. CUBIST PHARMACEUTICALS, INC. Item 1(b) Address of Issuer's Principal Executive Offices: 65 Hayden Avenue Lexington, MA 02421 Item 2(a) Name of Person Filing: Pioneer Global Asset Management S.p.A. Item 2(b) Address of Principal Business Office: Galleria San Carlo 6 20122 Milan, Italy Item 2(c) Citizenship: Italy Item 2(d) Title of Class of Securities:. Common Stock Item 2(e) CUSIP Number: 229678107 Item 3. The person filing this statement pursuant to Rule 13d-1(b) or 13d-2(b) is: Inapplicable Item 4. Ownership. (a) Amount Beneficially Owned: 1455252 (b) Percent of Class: 5.11% (c) Number of shares as to which such person has (i) sole power to vote or to direct the vote 1455252 (ii) shared power to vote or to direct vote 0 (iii) sole power to dispose or to direct disposition of 1455252 (iv) shared power to dispose or to direct disposition 0 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 here: Item 6. Ownership of More than Five Percent on Behalf of Another Person. Inapplicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported On By the Parent Holding Company. Inapplicable. Item 8. Identification and Classification of Members of the Group. Inapplicable. Item 9. Notice of Dissolution of the Group. Inapplicable. Item 10. Certification. 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 transactions having such purposes or effect. After reasonable inquiry and to the best of my knowledge and believe, I certify that the information set forth in this statement is true, complete and correct. May 10, 2002 Date /s/Dario Frigerio ----------------------- Dario Frigerio Chief Executive Officer -----END PRIVACY-ENHANCED MESSAGE-----