                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                  SCHEDULE 13D
                   Under the Securities Exchange Act of 1934
                               (Amendment No. 4)*


                                    a21, Inc.
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                                (Name of Issuer)

                    Common Stock, par value $0.001 per share
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                         (Title of Class of Securities)

                                    002184109
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                                 (CUSIP Number)

                                                   with a copy to:
    Mr. Jonathan Gallen                            Robert G. Minion, Esq.
    Ahab Partners, L.P.                            Lowenstein Sandler PC
    299 Park Avenue                                65 Livingston Avenue
    New York, New York 10171                       Roseland, New Jersey  07068
    (212) 284-7966                                 (973) 597-2424
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                 (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                October 26, 2006
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             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule  because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-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 Section 240.13d-7 for other
parties to whom copies are to be sent.

* 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 ("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).


<PAGE>

Cusip No.         002184109
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1.  Names of Reporting Persons.  I.R.S. Identification Nos. of above persons
   (entities only):

                       Jonathan Gallen
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2.  Check the Appropriate Box if a Member of a Group (See Instructions):
         (a)                  Not
         (b)               Applicable
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3.  SEC Use Only
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4.  Source of Funds (See Instructions):  WC, OO
--------------------------------------------------------------------------------

5.  Check if  Disclosure  of  Legal  Proceedings Is  Required Pursuant  to Items
    2(d) or 2(e):                 Not Applicable
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6.  Citizenship or Place of Organization:  United States
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    Number of                      7. Sole Voting Power:             23,549,922*
                                      ------------------------------------------
    Shares Beneficially            8. Shared Voting Power:                    0
                                      ------------------------------------------
    Owned by
    Each Reporting                 9. Sole Dispositive Power:        23,549,922*
                                      ------------------------------------------
    Person With                   10. Shared Dispositive Power:               0
                                      ------------------------------------------
--------------------------------------------------------------------------------

11. Aggregate Amount Beneficially Owned by Each Reporting Person:   23,549,922*
--------------------------------------------------------------------------------

12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares
    (See Instructions):          Not Applicable
--------------------------------------------------------------------------------
13. Percent of Class Represented by Amount in Row (11):  28.3%*
--------------------------------------------------------------------------------
14. Type of Reporting Person (See Instructions):   IA, IN
--------------------------------------------------------------------------------

*  As  of  October  26,  2006,  Ahab  Partners,  L.P.  ("Ahab  Partners"),  Ahab
International,  Ltd. ("Ahab International"),  Queequeg Partners, L.P. ("Queequeg
Partners"),  Queequeg,  Ltd. ("Queequeg Ltd.," and, together with Ahab Partners,
Ahab International and Queequeg  Partners,  the "Funds") and one or more private
investment  accounts (the "Accounts") held an aggregate of 20,473,000  shares of
common  stock,  par value  $0.001  per share (the  "Shares"),  of a21,  Inc.,  a
Delaware  corporation  (the  "Company").  As of October 26, 2006, the Funds held
notes (the "Notes")  issued  jointly by the Company and one of its affiliates in
the aggregate  principal  amount of  $2,000,000.  As noted in the Company's Form
8-K, as filed with the Securities and Exchange Commission on August 21, 2006, on
June 23, 2006 the  Company  obtained  approval  from its  stockholders  to merge
itself into a wholly-owned  subsidiary  incorporated in Delaware and bearing the
same name as the Company. Such  reincorporation,  which became effective on July
31,  2006,  resulted in an increase  in the number of the  Company's  authorized
Shares.  As a result of such increase,  the Notes are convertible into 3,076,922
Shares,  subject  to  adjustment  in  certain  circumstances.   Jonathan  Gallen
possesses sole power to vote and direct the disposition of all securities of the
Company  held by the Funds and the  Accounts.  Accordingly,  for the purposes of
Rule 13d-3 under the Securities Exchange Act of 1934, as amended,  Mr. Gallen is
deemed to  beneficially  own  23,549,922  Shares,  or 28.3% of the Shares deemed
issued and outstanding as of October 26, 2006.

<PAGE>

Item 1.   Security and Issuer.
          -------------------

          Item 1 is hereby restated in its entirety as follows:

          The class of equity  securities  to which this  Schedule 13D Amendment
No. 4 relates is the common stock, par value $0.001 per share (the "Shares"), of
a21,  Inc., a Delaware  corporation  (the  "Company").  The principal  executive
offices of the  Company  are located at 7660  Centurion  Parkway,  Jacksonville,
Florida 32256.


Item 2.   Identity and Background.
          -----------------------

          Item 2 is hereby restated in its entirety as follows:

          The person filing this  statement is Jonathan  Gallen,  whose business
address is c/o Ahab Partners,  L.P., 299 Park Avenue,  New York, New York 10171.
Mr. Gallen serves,  indirectly  through one or more entities,  as the investment
adviser for, and exercises sole voting and investment  authority with respect to
the  securities  held by, each of (i) Ahab  Partners,  L.P.,  a New York limited
partnership  ("Ahab  Partners"),  (ii) Ahab  International,  Ltd., a corporation
organized under the laws of the Bahamas ("Ahab  International"),  (iii) Queequeg
Partners,  L.P., a Delaware  limited  partnership  ("Queequeg  Partners"),  (iv)
Queequeg, Ltd., a corporation organized under the laws of the Bahamas ("Queequeg
Limited," and,  together with Ahab  Partners,  Ahab  International  and Queequeg
Partners,  the  "Funds") and (v) one or more private  investment  accounts  (the
"Accounts").  The  Funds and the  Accounts  are  engaged  in the  investment  in
personal  property of all kinds,  including  but not  limited to capital  stock,
depository  receipts,   investment  companies,   mutual  funds,   subscriptions,
warrants,  bonds,  notes,  debentures,  options and other securities of whatever
kind and  nature.  Mr.  Gallen  also  invests his  personal  funds and  provides
investment management services for various other third parties.

          Mr.  Gallen  has  never  been  convicted  in any  criminal  proceeding
(excluding traffic violations or similar misdemeanors),  nor has he been a party
to any civil proceeding  commenced before a judicial or  administrative  body of
competent  jurisdiction  as a  result  of which  he was or is now  subject  to a
judgment,  decree or final order enjoining future  violations of, or prohibiting
or mandating  activities subject to, federal or state securities laws or finding
any violation  with respect to such laws.  Mr. Gallen is a citizen of the United
States.


Item 3.   Source and Amount of Funds or Other Consideration.
          --------------------------------------------------

          Item 3 is hereby restated in its entirety as follows:

          All of the  funds  used to  purchase  the  securities  of the  Company
described in Item 5 of this  Schedule 13D Amendment No. 4 on behalf of the Funds
and the  Accounts  have  come  directly  from the  assets  of the  Funds and the
Accounts,  respectively.  The  aggregate  amount  of funds  used in  making  the
purchase  specified  in  Item  5 of  this  Schedule  13D  Amendment  No.  4  was
$73,710.00.


<PAGE>


Item 5.   Interest in Securities of the Issuer.
          ------------------------------------

          Item 5 is hereby restated in its entirety as follows:

          Based  upon  information  set  forth  in  the  Company's   Information
Statement on Schedule 14A, as filed with the Securities and Exchange  Commission
on September 8, 2006, there were 83,305,846  Shares issued and outstanding as of
August 2, 2006.

          As of October 26, 2006,  the Funds and the Accounts  held an aggregate
of  20,473,000  Shares.  As of October  26,  2006,  the Funds held notes  issued
jointly by the  Company and one of its  affiliates  in the  aggregate  principal
amount of $2,000,000 (the "Notes"). As noted in the Company's Form 8-K, as filed
with the Securities and Exchange Commission on August 21, 2006, on June 23, 2006
the Company  obtained  approval  from its  stockholders  to merge  itself into a
wholly-owned  subsidiary  incorporated  in Delaware and bearing the same name as
the Company.  Such  reincorporation,  which  became  effective on July 31, 2006,
resulted in an increase in the number of the Company's  authorized  Shares. As a
result of such  increase,  the  Notes are  convertible  into  3,076,922  Shares,
subject to adjustment in certain  circumstances.  Jonathan Gallen possesses sole
power to vote and direct the  disposition  of all securities of the Company held
by the Funds and the Accounts. Accordingly, for the purposes of Rule 13d-3 under
the  Securities  Exchange  Act of 1934,  as  amended,  Mr.  Gallen  is deemed to
beneficially  own  23,549,922  Shares,  or 28.3% of the Shares deemed issued and
outstanding as of October 26, 2006.

          During  the  sixty  days on or prior to  October  26,  2006,  the only
transaction  in Shares,  or  securities  convertible  into,  exercisable  for or
exchangeable for Shares,  by Mr. Gallen or any other person or entity controlled
by him or any  person or  entity  for which he  possesses  voting or  investment
control  over the  securities  thereof,  was the  purchase  by the Funds and the
Accounts,  on October 26, 2006, of an aggregate of 273,000  Shares at a price of
$0.27 per Share. The purchase  described above was effected by the Funds and the
Accounts in an ordinary brokerage transaction.


<PAGE>




                                    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.


                                        October 31, 2006


                                        /s/ Jonathan Gallen
                                        ----------------------------------------
                                        Jonathan Gallen,  in his capacity as the
                                        investment  adviser  for Ahab  Partners,
                                        L.P., Ahab International, Ltd., Queequeg
                                        Partners,  L.P., Queequeg,  Ltd. and one
                                        or more private investment accounts



Attention:  Intentional  misstatements  or omissions of fact constitute  Federal
criminal violations (See 18 U.S.C. 1001).


