SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------
                                 SCHEDULE 13G/A*
                                 (Rule 13d-102)

                                 Amendment No. 6

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                               UNIONBANCORP, INC.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    908908106
                                 (CUSIP Number)

                                December 31, 2005
             (Date of event which requires filing of this statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule 13G/A is filed:
     [ ] Rule 13d-1(b)
     [X] Rule 13d-1(c)
     [ ] Rule 13d-1(d)





                              (Page 1 of 10 Pages)

----------------
     *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 the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") 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. 908908106                 13G/A                  Page 2 of 10 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Tontine Financial Partners, L.P.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                  -0-
SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                  371,300
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                  -0-
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                  371,300
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                  371,300
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                  9.63%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                  PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 908908106                 13G/A                  Page 3 of 10 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE
            PERSONS (ENTITIES ONLY)
                                                   Tontine Management, L.L.C.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                  -0-
SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                  371,300
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                  -0-
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                  371,300
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                  371,300
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                  9.63%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                  OO
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 908908106                 13G/A                  Page 4 of 10 Pages

-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                           Jeffrey L. Gendell
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                  -0-
SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                  371,300
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                  -0-
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                  371,300
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                  371,300
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                  9.63%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                  IN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 908908106                 13G/A                  Page 5 of 10 Pages

     The Schedule 13G/A filed on February 14, 2005 is hereby amended and
restated by this Amendment No. 6 to the Schedule 13G.

Item 1(a).     Name of Issuer:

     The name of the issuer is UNIONBANCORP, INC. (the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices:

     The Company's principal executive offices are located at 321 West Main
Street, Ottawa, Illinois 61350.

Item 2(a).     Name of Person Filing:

     This statement is filed by:

         (i)  Tontine Financial Partners, L.P., a Delaware limited partnership
              ("TFP") with respect to the shares of Common Stock directly owned
              by it;

        (ii)  Tontine Management, L.L.C., a Delaware limited liability company
              ("TM"), with respect to the shares of Common Stock directly owned
              by TFP;

       (iii)  Jeffrey L. Gendell, with respect to the shares of Common Stock
              directly owned by TFP.

              The foregoing persons are hereinafter sometimes collectively
referred to as the "Reporting Persons." Any disclosures herein with respect to
persons other than the Reporting Persons are made on information and belief
after making inquiry to the appropriate party.

Item 2(b).     Address of Principal Business Office or, if None, Residence:

     The address of the business office of each of the Reporting Persons is 55
Railroad Avenue, 3rd Floor, Greenwich, Connecticut 06830.

Item 2(c).     Citizenship:

     TFP is a limited partnership organized under the laws of the State of
Delaware. TM is a limited liability company organized under the laws of the
State of Delaware. Mr. Gendell is a United States citizen.





CUSIP No. 908908106                 13G/A                  Page 6 of 10 Pages

Item 2(d).     Title of Class of Securities:

     Common Stock, $1.00 par value (the "Common Stock")

Item 2(e).  CUSIP Number:  908908106

Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:

          (a) [ ] Broker or dealer registered under Section 15 of the Act,

          (b) [ ] Bank as defined in Section 3(a)(6) of the Act,

          (c) [ ] Insurance Company as defined in Section 3(a)(19) of the
                  Act,

          (d) [ ] Investment Company registered under Section 8 of the
                  Investment Company Act of 1940,

          (e) [ ] Investment Adviser in accordance with Rule 13d-1
                  (b)(1)(ii)(E),

          (f) [ ] Employee Benefit Plan or Endowment Fund in accordance
                  with 13d-1 (b)(1)(ii)(F),

          (g) [ ] Parent Holding Company or control person in accordance
                  with Rule 13d-1 (b)(1)(ii)(G),

          (h) [ ] Savings Association as defined in Section 3(b) of the
                  Federal Deposit Insurance Act,

          (i) [ ] Church Plan that is excluded from the definition of an
                  investment company under Section 3(c)(14) of the Investment
                  Company Act of 1940,

          (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

     If this statement is filed pursuant to 13d-1(c), check this box:  [x]





CUSIP No. 908908106                 13G/A                  Page 7 of 10 Pages

Item 4.   Ownership.

          A.   Tontine Financial Partners, L.P.
               (a) Amount beneficially owned: 371,300
               (b) Percent of class: 9.63% The percentages used herein and in
the rest of Item 4 are calculated based upon the 3,855,776 shares of Common
Stock issued and outstanding as of November 10, 2005, as reflected in the
Company's Form 10-Q for the quarterly period ended September 30, 2005.
               (c)(i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 371,300
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition: 371,300

          B.   Tontine Management, L.L.C.
               (a) Amount beneficially owned: 371,300
               (b) Percent of class: 9.63%
               (c)(i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 371,300
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition: 371,300

          C.   Jeffrey L. Gendell
               (a) Amount beneficially owned: 371,300
               (b) Percent of class: 9.63%
               (c)(i) Sole power to vote or direct the vote: -0-
                 (ii) Shared power to vote or direct the vote: 371,300
                (iii) Sole power to dispose or direct the disposition: -0-
                 (iv) Shared power to dispose or direct the disposition: 371,300

Item 5.     Ownership of Five Percent or Less of a Class.

     Not applicable.

Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

     TM, the general partner of TFP, has the power to direct the affairs of TFP,
including decisions respecting the disposition of the proceeds from the sale of
the shares. Mr. Gendell is the managing member of TM and in that capacity
directs its operations.





CUSIP No. 908908106                 13G/A                  Page 8 of 10 Pages

Item 7.     Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company.

     Not applicable.

Item 8.  Identification and Classification of Members of the Group.

     Not applicable.

Item 9.  Notice of Dissolution of Group.

     Not applicable.

Item 10.  Certification.

     Each of the Reporting Persons hereby makes the following certification:

          By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.





CUSIP No. 908908106                 13G/A                  Page 9 of 10 Pages

                                   SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.


DATED:  February 14, 2006

                                    /s/ JEFFREY L. GENDELL
                                    Jeffrey L. Gendell, individually, and as
                                    managing member of
                                    Tontine Management, L.L.C.,
                                    general partner of
                                    Tontine Financial Partners, L.P.