Aspen
Technology, Inc.
|
(Name
of Issuer)
Common
Stock, $0.10 par value
|
(Title
of Class of Securities)
045327103
|
(CUSIP
Number)
|
December
31, 2009
|
(Date
of Event Which Requires Filing of this
Statement)
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alydar Capital, LLC
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 0
|
6.
Shared Voting Power: 1,017,535
|
|
7.
Sole Dispositive Power: 0
|
|
8.
Shared Dispositive Power: 1,017,535
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
1,017,535
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 1.11%
|
|
12.
Type of Reporting Person (See
Instructions) IA
|
CUSIP No.
045327103
|
|
1. Names of Reporting Person:
Alydar Partners, LLC
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 0
|
6.
Shared Voting Power: 3,989,884
|
|
7.
Sole Dispositive Power: 0
|
|
8.
Shared Dispositive Power: 3,989,884
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
3,989,884
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 4.37%
|
|
12.
Type of Reporting Person (See
Instructions) IA
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person John A. Murphy
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: United States
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 0
|
6.
Shared Voting Power: 3,989,884
|
|
7.
Sole Dispositive Power: 0
|
|
8.
Shared Dispositive Power: 3,989,884
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
3,989,884
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 4.37%
|
|
12.
Type of Reporting Person (See
Instructions) IN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alydar Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 48,112
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 48,112
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
48,112
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.05%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alydar QP Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 547,109
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 547,109
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
547,109
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.60%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysheba Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 12,260
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 12,260
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
12,260
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.013%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysheba QP Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 304,904
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 304,904
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
304,904
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.33%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysun Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 15,508
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 15,508
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
15,508
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.02%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysun QP Fund, L.P.
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Delaware
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 89,642
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 89,642
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
89,642
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.10%
|
|
12.
Type of Reporting Person (See
Instructions) PN
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alydar Fund Limited
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Cayman Islands
|
|
Number
of Shares Beneficially Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 1,765,791
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 1,765,791
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
1,765,791
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 1.93%
|
|
12.
Type of Reporting Person (See
Instructions) OO
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysheba Fund Limited
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Cayman Islands
|
|
Number
of Shares
Beneficially
Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 1,154,267
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 1,154,267
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
1,154,267
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 1.26%
|
|
12.
Type of Reporting Person (See
Instructions) OO
|
CUSIP
No. 045327103
|
|
1.
Names of Reporting Person Alysun Fund Limited
I.R.S.
Identification Nos. of above persons (entities only)
|
|
2.
Check the Appropriate Box if a Member of a Group (See
Instructions)
(a)
X
(b)
o
|
|
3.
SEC Use Only
|
|
4.
Citizenship or Place of Organization: Cayman Islands
|
|
Number
of Shares
Beneficially
Owned
by
Each Reporting
Person
With
|
5.
Sole Voting Power: 52,291
|
6.
Shared Voting Power: 0
|
|
7.
Sole Dispositive Power: 52,291
|
|
8.
Shared Dispositive Power: 0
|
|
9.
Aggregate Amount Beneficially Owned by Each Reporting Person.
52,291
|
|
10.
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).
|
|
11.
Percent of Class Represented by Amount in Row
(9) 0.06%
|
|
12.
Type of Reporting Person (See
Instructions) OO
|