-----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, WxoYQGI+nxTYattv9lCDYy7YC1nhP2JLvCeZqFN68EJJOC3I94WV7dNLgOYhrIzc B+rNEGOCX6vqNPTpTVY/Cg== 0000734072-99-000015.txt : 19990111 0000734072-99-000015.hdr.sgml : 19990111 ACCESSION NUMBER: 0000734072-99-000015 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19990108 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DIONEX CORP /DE CENTRAL INDEX KEY: 0000708850 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823] IRS NUMBER: 942647429 STATE OF INCORPORATION: CA FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-34390 FILM NUMBER: 99503535 BUSINESS ADDRESS: STREET 1: 1228 TITAN WAY STREET 2: P O BOX 3603 CITY: SUNNYVALE STATE: CA ZIP: 94086-3603 BUSINESS PHONE: 4087370700 MAIL ADDRESS: STREET 1: 1228 TITAN WAY STREET 2: 1228 TITAN WAY CITY: SUNNYVALE STATE: CA ZIP: 94088-3603 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 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 SCHEDULE 13G DIONEX CORPORATION SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Under the Securities and Exchange Act of 1934 (Amendment No. 4 ) DIONEX CORPORATION (Name of Issuer) Common (Title of Class of Securities) Date of Event Which Requires Filing of this Statement December 31, 1998 Check the appropriate box to designate the rule pursuant to which this Schedule is filed X Rule 13d-2(b) 254546104 (CUSIP NUMBER) 1) Name of Reporting Pioneer Person Investment Management Inc. IRS Identification 13-1961193 No. of Above (a/k/a/ Pioneering Management Corp.) 2) Check the Appropriate Box (a) of A Member of Group (See Instructions) (b) X 3) SEC Use Only 4) Citizenship of Place of Organization Delaware Number of (5) Sole Voting 2376000 Shares Power Beneficially Owned (6) Shared Voting 0 Power by Each Reporting Person With (7) Sole Dispositive 2376000 Power (8) Shared 0 Dispositive Power 9) Aggregate Amount Beneficially 2376000 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. 10.66% 12) Type of Reporting Person (See Instructions) IA Item 1(a) Name of Issuer. DIONEX CORPORATION Item 1(b) Address of Issuer's Principal Executive Office's Mr.Michael W. PopeChief Financial Officer DIONEX CORPORATION 1228 Titan Way Sunnyvale, CA 940883603 Item 2(a) Name of Person Filing. Pioneer Investment Management, Inc. a/k/a/ Pioneering Management Corporation Item 2(b) Address of Principal Business Office: 60 State Street, Boston, MA 02109 Item 2(c) Citizenship: State Of Delaware Pioneer Investment Management, Inc. a/k/a Pioneering Management Corp.. Item 2(d) Title of Class of Securities. Common Stock Item 2(e) CUSIP Number. 254546104 Item 3 The person filing this statement pursuant to Rule 13-1(b) or 13d-2 is: (d) Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940. Item 4. Ownership (a) Amount Beneficially Owned 2376000 (b) Percent of Class 10.66% (c) Number of shares as to which such person has (i) sole power to vote or to direct the vote 2376000 (ii) shared power to vote or to direct vote 0 (iii) sole power to dispose or to direct disposition of 2376000 (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. January 8, 1998 Date /s/Robert P. Nault Signature Robert P. Nault Assistant Secretary Type Name and Title -----END PRIVACY-ENHANCED MESSAGE-----