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