-----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, HZ2agbdLrdvLXEoq4Mmsh1Rf46i7O+6Cer+lUJJr06HfxBt0jDjjJVUmTJwOqBhA dNwnhRZxUmC+lIZ3JlgN5A== 0001162663-05-000068.txt : 20050314 0001162663-05-000068.hdr.sgml : 20050314 20050314124207 ACCESSION NUMBER: 0001162663-05-000068 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20050314 DATE AS OF CHANGE: 20050314 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SEMCO ENERGY INC CENTRAL INDEX KEY: 0000277158 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] IRS NUMBER: 382144267 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-33428 FILM NUMBER: 05677754 BUSINESS ADDRESS: STREET 1: 1411 THIRD STREET, STE. A CITY: PORT HURON STATE: MI ZIP: 48060 BUSINESS PHONE: 810-987-2200 MAIL ADDRESS: STREET 1: 1411 THIRD STREET, STE. A CITY: PORT HURON STATE: MI ZIP: 48060 FORMER COMPANY: FORMER CONFORMED NAME: SOUTHEASTERN MICHIGAN GAS ENTERPRISES INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PIONEER GLOBAL ASSET MANAGEMENT SPA CENTRAL INDEX KEY: 0001162663 IRS NUMBER: 000000000 STATE OF INCORPORATION: L6 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 60 STATE STREET STREET 2: 19TH FLOOR CITY: BOSTON STATE: MA ZIP: 02109 BUSINESS PHONE: 6174224975 SC 13G 1 semco.txt SEMCO ENERGY, INC. SECURITIES EXCHANGE COMMISSION Washington, DC 20549 Under the Securities Exchange Act of 1934 (Amendment No. 0) SEMCO ENERGY, INC. (Name of Issuer) Common (Title of Class of Securities) Date of Event Which Requires Filing of this Statement March 9, 2005 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) 78412D109 (CUSIP NUMBER) 1) Name of Reporting Person: Pioneer Global Asset Management S.p.A. 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 Italy Number of (5)Sole Voting Shares Power 2,782,109 Beneficially Owned (6)Shared Voting by Each Reporting Power 0 Person With (7)Sole Disposi- tive Power 2,782,109 (8)Shared Disposi- tive Power 0 9) Aggregate Amount Beneficially 2,782,109 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. 9.27% 12) Type of Reporting Person (See Instructions) HC Item 1(a) Name of Issuer. SEMCO ENERGY, INC. Item 1(b) Address of Issuer's Principal Executive Offices: Mr. Michael V. Palmeri Senior Vice President & CFO Semco Energy, Inc. 28470 13 Mile Road Suite 300 Farmington, MI 48334 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: 78412D109 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: 2,782,109 (b) Percent of Class: 9.27% (c) Number of shares as to which such person has (i) sole power to vote or to direct the vote 2,782,109 (ii) shared power to vote or to direct vote 0 (iii) sole power to dispose or to direct disposition of 2,782,109 (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. March 14, 2005 Date /s/Dario Frigerio Name: Dario Frigerio Title: Chief Executive Officer -----END PRIVACY-ENHANCED MESSAGE-----