Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
NAUDON CARLOS P
  2. Issuer Name and Ticker or Trading Symbol
OPEN SOLUTIONS INC [OPEN]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O BANKING SPECTRUM, INC., 57 WEST 38TH STREET
3. Date of Earliest Transaction (Month/Day/Year)
01/23/2007
(Street)

NEW YORK, NY 10018
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 01/23/2007   D   89,789 D $ 38 (1) 0 D  
Common Stock 01/23/2007   D   20,689 D $ 38 (1) 0 I See footnote (2)
Common Stock 01/23/2007   D   20,689 D $ 38 (1) 0 I See footnote (3)
Common Stock 01/23/2007   D   13,793 D $ 38 (1) 0 I See footnote (4)
Common Stock 01/23/2007   D   6,251 D $ 38 (1) 0 I See footnote (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 21.49 01/23/2007   D     5,000   (6) 05/25/2014 Common Stock 5,000 $ 16.51 0 D  
Stock Option (Right to Buy) $ 19.56 01/23/2007   D     15,000   (7) 05/19/2015 Common Stock 15,000 $ 18.44 0 D  
Stock Option (Right to Buy) $ 27.61 01/23/2007   D     7,500   (8) 05/16/2016 Common Stock 7,500 $ 10.39 0 D  
Restricted Stock Units (9) 01/23/2007   D     589   (9)   (9) Common Stock 589 $ 38 0 D  
Restricted Stock Units (10) 01/23/2007   D     589   (10)   (10) Common Stock 589 $ 38 0 D  
Restricted Stock Units (11) 01/23/2007   D     1,124   (11)   (11) Common Stock 1,124 $ 38 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
NAUDON CARLOS P
C/O BANKING SPECTRUM, INC.
57 WEST 38TH STREET
NEW YORK, NY 10018
  X      

Signatures

 /s/ Kenneth J. Saunders as attorney-in-fact   01/24/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Disposed of pursuant to an Agreement and Plan of Merger among the issuer, Harpoon Acquisition Corporation, and Harpoon Merger Corporation in exchange for the right to receive $38.00 per share.
(2) These shares were owned by The Enrique S. Naudon Trust, of which Susan Steingass, Mr. Naudon's spouse, is a trustee. Mr. Naudon disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein, and the reporting herein of such securities shall not be construed as an admission that Mr. Naudon was the beneficial owner of any such securities for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(3) These shares were owned by The Ignacio S. Naudon Trust, of which Susan Steingass, Mr. Naudon's spouse, is a trustee. Mr. Naudon disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein, and the reporting herein of such securities shall not be construed as an admission that Mr. Naudon was the beneficial owner of any such securities for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(4) These shares were owned by The Huguette Rivet Trust, of which Susan Steingass, Mr. Naudon's spouse, is a trustee. Mr. Naudon disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein, and the reporting herein of such securities shall not be construed as an admission that Mr. Naudon was the beneficial owner of any such securities for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(5) These shares were owned by The Eric P. Steingass Trust dtd 12/22/97, of which Susan Steingass, Mr. Naudon's spouse, is a trustee. Mr. Naudon disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein, and the reporting herein of such securities shall not be construed as an admission that Mr. Naudon was the beneficial owner of any such securities for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(6) This option, which was granted on May 25, 2004, was cancelled in the merger in exchange for a $82,550.00 cash payment, representing the excess of $38.00 over the per share exercise price of the option multiplied by the number of shares subject to the option, whether vested or unvested.
(7) This option, which was granted on May 19, 2005, was cancelled in the merger in exchange for a $276,600.00 cash payment, representing the excess of $38.00 over the per share exercise price of the option multiplied by the number of shares subject to the option, whether vested or unvested.
(8) This option, which was granted on May 16, 2006, was cancelled in the merger in exchange for a $77,925.00 cash payment, representing the excess of $38.00 over the per share exercise price of the option multiplied by the number of shares subject to the option, whether vested or unvested.
(9) These restricted stock units, which were granted on February 28, 2005 and represent the right to receive one share of common stock of the issuer per unit, were cancelled in the merger in exchange for a $22,382.00 cash payment, representing $38.00 multiplied by the number of restricted stock units.
(10) These restricted stock units, which were granted on April 19, 2005 and represent the right to receive one share of common stock of the issuer per unit, were cancelled in the merger in exchange for a $22,382.00 cash payment, representing $38.00 multiplied by the number of restricted stock units.
(11) These restricted stock units, which were granted on April 3, 2006 and represent the right to receive one share of common stock of the issuer per unit, were cancelled in the merger in exchange for a $42,712.00 cash payment, representing $38.00 multiplied by the number of restricted stock units.

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