SC 13G/A 1 sc13ga_121404-gsi.txt AMENDMENT NO. 1 TO SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* GSI LUMONICS INC. ----------------- (Name of Issuer) Common Stock, no par value -------------------------- (Title of Class of Securities) 36229U102 --------- (CUSIP Number) February 10, 2004 ------------------------------------------------------------------------ (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) |_| Rule 13d-1(c) |X| 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). -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSON/I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) SUMITOMO HEAVY INDUSTRIES, LTD. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| Not applicable (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Japan -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED BY EACH 4,078,238 REPORTING PERSON WITH -------------------------------------------------------------------------------- 6 SHARED VOTING POWER -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 4,078,238 -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,078,238 -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) Not applicable -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.97% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO -------------------------------------------------------------------------------- Item 1(a) Name of Issuer: GSI Lumonics Inc. Item 1(b) Address of Issuer's Principal Executive Offices: 39 Manning Road, Billerica, Massachusetts, U.S.A., 01821 Item 2(a) Name of Person Filing: This statement is being filed by Sumitomo Heavy Industries, Ltd. ("Sumitomo") Item 2(b) Address of Principal Business Office: The principal business office address of Sumitomo is 9-11, Kitashinagawa 5-chome, Shinagawa-ku, Tokyo, 141-8686, Japan. Item 2(c) Citizenship: Sumitomo is a corporation incorporated under the laws of Japan. Item 2(d) Title of Class of Securities: Common Stock, no par value Item 2(e) CUSIP Number: 36229U102 Item 3 If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: (a) |_| Broker or Dealer registered under Section 15 of the Act (15 U.S.C. 78o); (b) |_| Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); (c) |_| Insurance Company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c); (d) |_| An Investment Company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); (e) |_| An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E); (f) |_| An employee benefit plan or endowment fund in accordance with ss.240.13d-1(b)(1)(ii)(F); (g) |_| A parent holding company or control person, in accordance with ss.240.13d-1(b)(1)(ii)(G); (h) |_| A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) |_| A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) |_| Group, in accordance with ss.240.13d-1(b)(1)(ii)(J). Item 4. Ownership. The filing of this Amendment No. 1 on Schedule 13G and the filing of any further amendments hereto shall not be construed as an admission that Sumitomo is, for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, the beneficial owner of any securities covered by this statement or any amendments thereto. Based on the most recent information available, the aggregate number and percentage of the Shares of GSI (the securities identified pursuant to Item 1 of this Schedule 13G) that are beneficially owned by Sumitomo is set forth in boxes 9 and 11 of the second part of the cover page to this Schedule 13G, and such information is incorporated herein by reference. The numbers of Shares of GSI as to which Sumitomo has sole voting power, shared voting power, sole dispositive power and shared dispositive power are set forth in boxes 5, 6, 7 and 8, respectively, on the second part of the cover page to this Schedule 13G, and such information is incorporated herein by reference. 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. Not applicable SIGNATURES 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. Date: December 14, 2004 SUMITOMO HEAVY INDUSTRIES, LTD. By: /s/ Yukio Kinoshita ---------------------------------- Name: Yukio Kinoshita Title: Executive Vice President