1.
|
Names
of Reporting Persons. Gazelle TechVentures Fund, L.P.
|
|||
2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
|||
(a)
|
||||
(b)
|
x
|
|||
3.
|
SEC
Use Only
|
|||
4.
|
Citizenship
or Place of Organization: Delaware
|
|||
Number
of Shares
Beneficially
by
Owned
by Each
Reporting
Person
With:
|
5.
|
Sole
Voting Power: None
|
||
6.
|
Shared
Voting Power: 0
|
|||
7.
|
Sole
Dispositive Power: None
|
|||
8.
|
Shared
Dispositive Power: 0
|
|||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting Person 0
|
|||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
|||
11.
|
Percent
of Class Represented by Amount in Row (9): less than 5%
|
|||
12.
|
Type
of Reporting Person (See Instructions): PN
|
CUSIP
No. 78112T107
|
||||
1.
|
Names
of Reporting Persons: Gazelle Co-Investment Fund, L.P.
|
|||
2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
|||
(a)
|
||||
(b)
|
x
|
|||
3.
|
SEC
Use Only
|
|||
4.
|
Citizenship
or Place of Organization: Delaware
|
|||
Number
of Shares
Beneficially
by
Owned
by Each
Reporting
Person
With:
|
5.
|
Sole
Voting Power: None
|
||
6.
|
Shared
Voting Power: 0
|
|||
7.
|
Sole
Dispositive Power: None
|
|||
8.
|
Shared
Dispositive Power: 0
|
|||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting Person 0
|
|||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
|||
11.
|
Percent
of Class Represented by Amount in Row (9): less than 5%
|
|||
12.
|
Type
of Reporting Person (See Instructions): PN
|
CUSIP
No. 78112T107
|
||||
1.
|
Names
of Reporting Persons: Monument Technology Partners, LLC
|
|||
2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
|||
(a)
|
||||
(b)
|
x
|
|||
3.
|
SEC
Use Only
|
|||
4.
|
Citizenship
or Place of Organization: Delaware
|
|||
Number
of Shares
Beneficially
by
Owned
by Each
Reporting
Person
With:
|
5.
|
Sole
Voting Power: None
|
||
6.
|
Shared
Voting Power: 0
|
|||
7.
|
Sole
Dispositive Power: None
|
|||
8.
|
Shared
Dispositive Power: 0
|
|||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting Person: 0
|
|||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
|||
11.
|
Percent
of Class Represented by Amount in Row (9): less than 5%
|
|||
12.
|
Type
of Reporting Person (See Instructions): OO
|
CUSIP
No. 78112T107
|
||||
1.
|
Names
of Reporting Persons: Gazelle TechVentures, Inc.
|
|||
2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
|||
(a)
|
||||
(b)
|
x
|
|||
3.
|
SEC
Use Only
|
|||
4.
|
Citizenship
or Place of Organization: Delaware
|
|||
Number
of Shares
Beneficially
by
Owned
by Each
Reporting
Person
With:
|
5.
|
Sole
Voting Power: None
|
||
6.
|
Shared
Voting Power: 0
|
|||
7.
|
Sole
Dispositive Power: None
|
|||
8.
|
Shared
Dispositive Power: 0
|
|||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting Person0
|
|||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
|||
11.
|
Percent
of Class Represented by Amount in Row (9): less than 5%
|
|||
12.
|
Type
of Reporting Person (See Instructions): CO
|
CUSIP
No. 78112T107
|
||||
1.
|
Names
of Reporting Persons: Don N. Aquilano
|
|||
2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
|||
(a)
|
||||
(b)
|
x
|
|||
3.
|
SEC
Use Only
|
|||
4.
|
Citizenship
or Place of Organization U.S.A.
|
|||
Number
of Shares
Beneficially
by
Owned
by Each
Reporting
Person
With:
|
5.
|
Sole
Voting Power: 20,674
|
||
6.
|
Shared
Voting Power: 20,674
|
|||
7.
|
Sole
Dispositive Power: 20,674
|
|||
8.
|
Shared
Dispositive Power: 20,674
|
|||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting
Person 20,674
|
|||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
|||
11.
|
Percent
of Class Represented by Amount in Row (9): less than 5%
|
|||
12.
|
Type
of Reporting Person (See Instructions): IN
|
|
(a)
|
Name of
Issuer: The issuer is Rubicon Technology, Inc.
(RBCN)
|
|
(b)
|
Address of Issuer's Principal Executive
Offices: 9931 Franklin Avenue, Franklin Park, Illinois
60131
|
|
(a)
|
Name of Person
Filing:
|
|
(b)
|
Address of Principal Business
Office or, if none,
Residence:
|
|
(c)
|
Citizenship:
|
|
(d)
|
Title of Class of
Securities: Common stock, $0.001 par value ("Issuer
Common").
|
|
(e)
|
CUSIP
Number: 78112T107
|
Item
3.
|
Not
Applicable.
|
Item 4.
|
Ownership.
|
Item
5.
|
Ownership of
Five Percent or Less of a
Class.
|
Item
6.
|
Ownership
of More than Five Percent on Behalf of Another
Person.
|
Item
7.
|
Identification
and Classification of the Subsidiary Which Acquired the Security Being
Reported on By the Parent Holding
Company.
|
Item
8.
|
Identification
and Classification of Members of the
Group.
|
Item
9.
|
Notice
of Dissolution of Group.
|
Item
10.
|
Certification.
|
Dated:
February 12, 2010
|
GAZELLE
TECHVENTURES, INC.
|
By:
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Managing Director and President
|
|
Dated:
February 12, 2010
|
MONUMENT
TECHNOLOGY PARTNERS, LLC
|
By
its Manager
|
|
Gazelle
TechVentures, Inc.
|
|
By:
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Managing Director and President
|
|
Dated:
February 12, 2010
|
GAZELLE
CO-INVESTMENT FUND, L.P.
|
By
its General Partner
|
|
Monument
Technology Partners, LLC
|
|
By
its Manager
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Manager
|
|
Dated:
February 12, 2010
|
GAZELLE
TECHVENTURES FUND, L.P.
|
By
its General Partner
|
|
Monument
Technology Partners, LLC
|
|
By
its Manager
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Manager
|
|
Dated:
February 12, 2010
|
/s/ Don N. Aquilano
|
Don
N.
Aquilano
|
Dated:
February 12, 2010
|
GAZELLE
TECHVENTURES, INC.
|
By:
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Managing Director and President
|
|
Dated:
February 12, 2010
|
MONUMENT
TECHNOLOGY PARTNERS, LLC
|
By
its Manager
|
|
Gazelle
TechVentures, Inc.
|
|
By:
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Managing Director and President
|
|
Dated:
February 12, 2010
|
GAZELLE
CO-INVESTMENT FUND, L.P.
|
By
its General Partner
|
|
Monument
Technology Partners, LLC
|
|
By
its Manager
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Manager
|
|
Dated:
February 12, 2010
|
GAZELLE
TECHVENTURES FUND, L.P.
|
By
its General Partner
|
|
Monument
Technology Partners, LLC
|
|
By
its Manager
|
|
/s/ Don N. Aquilano
|
|
Name:
Don N. Aquilano
|
|
Title:
Manager
|
|
Dated:
February 12, 2010
|
/s/ Don N. Aquilano
|
Don
N.
Aquilano
|