-----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, Wr83+i7EVP1T2t8XhlX5mA3KJulro92R7zLiT+olQIwYV6tGCIVaUSFOpLyu4f9T E2JFQkqqz9BzjZEegNMgPw== 0000950135-06-007588.txt : 20061222 0000950135-06-007588.hdr.sgml : 20061222 20061222123708 ACCESSION NUMBER: 0000950135-06-007588 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20061222 DATE AS OF CHANGE: 20061222 GROUP MEMBERS: ADVENT ENERGY II LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT INTERNATIONAL LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PARTNERS (NA) GPE-III LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PARTNERS DMC III LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PARTNERS GPE-III LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PARTNERS GPE-IV LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PARTNERS II LIMITED PARTNERSHIP GROUP MEMBERS: ADVENT PGGM GLOBAL LIMITED PARTNERSHIP GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III LIMITED PARTNERSHIP GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III-A LIMITED PARTNERSHIP GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III-B LIMITED PARTNERSHIP GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III-C LIMITED PARTNERSHIP GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III-D C.V. GROUP MEMBERS: DIGITAL MEDIA & COMMUNICATIONS III-E C.V. GROUP MEMBERS: GLOBAL PRIVATE EQUITY III LIMITED PARTNERSHIP GROUP MEMBERS: GLOBAL PRIVATE EQUITY IV LIMITED PARTNERSHIP SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ASPEN TECHNOLOGY INC /DE/ CENTRAL INDEX KEY: 0000929940 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING SERVICES [7371] IRS NUMBER: 042739697 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-44607 FILM NUMBER: 061295908 BUSINESS ADDRESS: STREET 1: TEN CANAL PARK CITY: CAMBRIDGE STATE: MA ZIP: 02141 BUSINESS PHONE: 6179491000 MAIL ADDRESS: STREET 1: TEN CANAL PARK CITY: CAMBRIDGE STATE: MA ZIP: 02141 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ADVENT INTERNATIONAL CORP ET AL CENTRAL INDEX KEY: 0000939424 IRS NUMBER: 042840139 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: 101 FEDERAL STREET CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 6179519400 MAIL ADDRESS: STREET 1: 101 FEDERAL STREET CITY: BOSTON STATE: MA ZIP: 02110 SC 13D/A 1 b63510aisc13dza.txt ADVENT INTERNATIONAL CORPORATION CUSIP NO. 045327103 Schedule 13D Page 1 of 20 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 4)(1) Aspen Technology, Inc. - -------------------------------------------------------------------------------- (Name of issuer) Common Stock, par value $0.10 - -------------------------------------------------------------------------------- (Title of class of securities) 045327103 - -------------------------------------------------------------------------------- (CUSIP number) Jarlyth H. Gibson, Assistant Compliance Officer 617-951-9493 C/o Advent International Corporation, 75 State Street, 29th Floor Boston, MA 02109 - -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 20, 2006 - -------------------------------------------------------------------------------- (Date of event which requires filing of this statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box :. [ ] Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties to whom copies are to be sent. (Continued on following pages) (Page 1 of 20 Pages) - ------- (1) 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 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). CUSIP NO. 045327103 Schedule 13D Page 2 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent International Corporation - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 31,499,336 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 31,499,336 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 31,499,336 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 37.05% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* CO, IA - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 3 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent International Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 30,915,611 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 30,915,611 ---------------------------------------------------- WITH 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 30,915,611 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 36.61% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 4 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Global Private Equity IV Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 15,397,758 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 15,397,758 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 15,397,758 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 22.34% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 5 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Global Private Equity III Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 4,409,908 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 4,409,908 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,409,908 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.61% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 6 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Partners GPE-IV Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Bermuda - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 194,890 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 194,890 ---------------------------------------------------- WITH 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 194,890 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.36% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 7 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent PGGM Global Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 440,969 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 440,969 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 440,969 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.82% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 8 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Partners GPE-III Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 37,760 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 37,760 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 37,760 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.07% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 9 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Partners (NA) GPE-III Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 11,223 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 11,223 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 11,223 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.02% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 10 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 2,036,076 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 2,036,076 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,036,076 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.66% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 11 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III-A Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 1,008,020 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 1,008,020 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,008,020 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.85% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 12 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III-B Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 251,952 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 251,952 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 251,952 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.47% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 13 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III-C Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 4,031,978 ----------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ----------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 4,031,978 WITH ----------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,031,978 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.01% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 14 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III-D C.V. - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Netherlands - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 755,963 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 755,963 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 755,963 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.39% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 15 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Digital Media & Communications III-E C.V. - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Netherlands - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 504,010 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 504,010 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 504,010 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.93% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 16 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Partners DMC III Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 116,850 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 116,850 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 116,850 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.22% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 17 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Energy II Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 2,078,977 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 2,078,977 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,078,977 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.74% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 18 of 20 - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Advent Partners II Limited Partnership - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 Source of Funds WC - -------------------------------------------------------------------------------- 5 Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2 (e) - -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 7 SOLE VOTING POWER SHARES 223,002 ---------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER None ---------------------------------------------------- OWNED BY 9 SOLE DISPOSITIVE POWER EACH REPORTING PERSON 223,002 WITH ---------------------------------------------------- 10 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 223,002 - -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.41% - -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- CUSIP NO. 045327103 Schedule 13D Page 19 of 20 Item 1. Security and Issuer This statement on Amendment No. 4 to Schedule 13D ("Amendment No. 4") relates to the Reporting Persons' beneficial ownership interest in the Common Stock, par value $0.10 per share, of Aspen Technology, Inc., a Delaware corporation (the "Corporation"). The address of the principal executive office of the Corporation is Ten Canal Park, Cambridge, MA 02141. This Amendment No. 4 amends the initial statement on Schedule 13D filed with the Securities and Exchange Commission (the "Commission") on August 22, 2003, as amended by Amendment No. 1 thereto filed with the Commission on June 6, 2006, Amendment No. 2 thereto filed with the Commission on July 26, 2006 and Amendment No. 3 thereto filed with the Commission on December 15, 2006 (as so amended, the "Schedule 13D"). This Amendment No. 4 is being filed by the Reporting Persons to amend Item 5. Terms defined in the Schedule 13D are used herein as so defined. Item 5. Interest in Securities of the Issuer. Item 5 of the Schedule 13D is hereby amended by adding the following at the end of paragraph (c) thereof: On December 20, 2006, the Reporting Persons converted an aggregate of 270,300 shares of Series D-1 Convertible Preferred Stock ("Series D-1") into 27,030,000 shares of Common Stock at a conversion rate equal to the Series D-1 per share stated value of $333.00 divided by the Series D-1 per share conversion price of $3.33. CUSIP NO. 045327103 Schedule 13D Page 20 of 20 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. December 22, 2006 Global Private Equity IV Limited Partnership Global Private Equity III Limited Partnership Advent PGGM Global Limited Partnership Digital Media & Communications III Limited Partnership Digital Media & Communications III-A Limited Partnership Digital Media & Communications III-B Limited Partnership Digital Media & Communications III-C Limited Partnership Digital Media & Communications III-D C.V. Digital Media & Communications III-E C.V. Advent Energy II Limited Partnership By: Advent International Limited Partnership, General Partner By: Advent International Corporation, General Partner By: Jarlyth H. Gibson, Assistant Compliance Officer* Advent International Limited Partnership Advent Partners II Limited Partnership Advent Partners GPE-IV Limited Partnership Advent Partners GPE-III Limited Partnership Advent Partners (NA) GPE-III Limited Partnership Advent Partners DMC-III Limited Partnership By: Advent International Corporation, General Partner By: Jarlyth H. Gibson, Assistant Compliance Officer * ADVENT INTERNATIONAL CORPORATION By: Jarlyth H. Gibson, Assistant Compliance Officer * *For all of the above: /s/ Jarlyth H. Gibson Jarlyth H. Gibson, Assistant Compliance Officer -----END PRIVACY-ENHANCED MESSAGE-----