UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                               (AMENDMENT NO. 4)*

              SP Holding Corp (f/k/a Speedcom Wireless Corporation)
                      -------------------------------------
                                (Name of Issuer)

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

                                    78465L206
                                 --------------
                                 (CUSIP Number)

                                  Steven Derby
                               SDS Management, LLC
                           53 Forest Avenue, 2nd Floor
                             Old Greenwich, CT 06870
                                 (203) 967-5850

           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                 December 31, 2006
             -------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of ss.ss.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box. [ ]



CUSIP No. 78465L206                     13D                   Page 2 of 10 Pages

--------------------------------------------------------------------------------
1.     Names of Reporting Persons.
       I.R.S. Identification Nos. of above persons (entities only).

       SDS Capital Group SPC, Ltd.
--------------------------------------------------------------------------------
2.     Check the Appropriate Box if a Member of a Group (See Instructions)

       (a)    [X]

       (b)    [ ]
--------------------------------------------------------------------------------
3.     SEC Use Only


--------------------------------------------------------------------------------
4.     Source of Funds:        (See Instructions)

       OO
--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings Is Required Pursuant to Items
       2(d) or 2(e) [   ]


--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       Cayman Islands
--------------------------------------------------------------------------------

Number of         7.      Sole Voting Power             83,916
Shares Bene-              ------------------------------------------------------
ficially Owned    8.      Shared Voting Power                0
By Each                   ------------------------------------------------------
Reporting         9.      Sole Dispositive Power        83,916
Person With               ------------------------------------------------------
                  10.     Shared Dispositive Power           0

--------------------------------------------------------------------------------
11.     Aggregate Amount Beneficially Owned by Each Reporting Person

        83,916 (1)
--------------------------------------------------------------------------------
12.     Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
        Instructions) [  ]

--------------------------------------------------------------------------------
13.     Percent of Class Represented by Amount in Row (11)

        19.10%
--------------------------------------------------------------------------------
14.     Type of Reporting Person (See Instructions)

        CO
--------------------------------------------------------------------------------

(1) Inculdes 83,918 shares of common stock; 67,801 shares of common stock
issuable upon the conversion of 22.6003 Series A Preferred stock. The reporting
person may not convert the Series A preferred stock to the extend such
conversion would result in the reporting person beneficially owing in excess of
9.99% of the issuer's issued and outstanding shares of common stock.



CUSIP No. 78465L206                     13D                   Page 3 of 10 Pages

--------------------------------------------------------------------------------
1.      Names of Reporting Persons.
        I.R.S. Identification Nos. of above persons (entities only).

        SDS Management, LLC
--------------------------------------------------------------------------------
2.      Check the Appropriate Box if a Member of a Group (See Instructions)

        (a)    [X]

        (b)    [ ]
--------------------------------------------------------------------------------
3.      SEC Use Only


--------------------------------------------------------------------------------
4.      Source of Funds:  (See Instructions)


--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings Is Required Pursuant to Items
       2(d) or 2(e) [   ]


--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       Delaware
--------------------------------------------------------------------------------

Number of         7.      Sole Voting Power                  0
Shares Bene-              ------------------------------------------------------
ficially Owned    8.      Shared Voting Power           83,916
By Each                   ------------------------------------------------------
Reporting         9.      Sole Dispositive Power             0
Person With               ------------------------------------------------------
                  10.     Shared Dispositive Power      83,916

--------------------------------------------------------------------------------
11.     Aggregate Amount Beneficially Owned by Each Reporting Person

        83,916
--------------------------------------------------------------------------------
12.     Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
        Instructions) [  ]

--------------------------------------------------------------------------------
13.     Percent of Class Represented by Amount in Row (11)

        19.10%
--------------------------------------------------------------------------------
14.     Type of Reporting Person (See Instructions)

        CO
--------------------------------------------------------------------------------



CUSIP No. 78465L206                     13D                   Page 4 of 10 Pages

--------------------------------------------------------------------------------
1.      Names of Reporting Persons.
        I.R.S. Identification Nos. of above persons (entities only).

        Mr. Steven Derby
--------------------------------------------------------------------------------
2.      Check the Appropriate Box if a Member of a Group (See Instructions)

        (a)    [X]

        (b)    [ ]
--------------------------------------------------------------------------------
3.      SEC Use Only


--------------------------------------------------------------------------------
4.      Source of Funds:  (See Instructions)


--------------------------------------------------------------------------------
5.     Check if Disclosure of Legal Proceedings Is Required Pursuant to Items
       2(d) or 2(e) [   ]


--------------------------------------------------------------------------------
6.     Citizenship or Place of Organization

       United States
--------------------------------------------------------------------------------

Number of         7.      Sole Voting Power                  0
Shares Bene-              ------------------------------------------------------
ficially Owned    8.      Shared Voting Power           83,916
By Each                   ------------------------------------------------------
Reporting         9.      Sole Dispositive Power             0
Person With               ------------------------------------------------------
                  10.     Shared Dispositive Power      83,916

--------------------------------------------------------------------------------
11.     Aggregate Amount Beneficially Owned by Each Reporting Person

        83,916
--------------------------------------------------------------------------------
12.     Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
        Instructions) [  ]

--------------------------------------------------------------------------------
13.     Percent of Class Represented by Amount in Row (11)

        19.10%
--------------------------------------------------------------------------------
14.     Type of Reporting Person (See Instructions)

        IN
--------------------------------------------------------------------------------




CUSIP No. 78465L206                     13D                   Page 5 of 10 Pages

--------------------------------------------------------------------------------

                                  Introduction

                This Amendment No. 4 to Schedule 13D is being filed by SDS
Capital Group SPC, Ltd., a Cayman Islands corporation (the "Reporting Person"),
with respect to its beneficial ownership of shares of common stock, par value
$.001 per share ("Common Stock"), of SP Holding Corporation, a Delaware
corporation ("SP Holding"). The Reporting Person filed an initial Schedule 13D
on January 30, 2004; Amendment No. 1 to Schedule 13D on February 11, 2004;
Amendment No. 2 to Schedule 13D on November 2, 2005 and Amendment No. 3 to
Schedule 13D on December 31, 2005

Item 1.  Security and Issuer

                This statement relates to the Common Stock of SP Holding
Corporation. SP Holding executive offices are located at: 2361 Campus Drive
Suite 101, Irvine, CA - 92612

Item 2.  Identity and Background

         This statement is filed by SDS Capital Group SPC, Ltd., a Cayman
Islands corporation. SDS Management, LLC, a Delaware limited liability company,
is the investment manager (the "Investment Manager") of the Reporting Person.
Mr. Steven Derby, a United States citizen ("Mr. Derby"), is the sole managing
member of the Investment Manager. The Reporting Person is principally engaged in
making investments. The address of the principal business office of the
Reporting Person is 53 Forest Avenue, 2nd Floor, Old Greenwich, Connecticut
06870. The address of the principal business office of the Investment Manager
is 53 Forest Avenue, 2nd Floor, Old Greenwich, Connecticut 06870. The address
of the principal business office of Mr. Derby is 53 Forest Avenue, 2nd Floor,
Old Greenwich, Connecticut 06870.

         (a)      Not applicable.

         (b)      Not applicable.

         (c)      Not applicable.

         (d)      During the last five years, neither the Reporting Person, the
                  Investment Manager, Mr. Derby nor any executive officer or
                  director of the Reporting Person or the Investment Manager has
                  been convicted in a criminal proceeding (excluding traffic
                  violations or similar misdemeanors).

         (e)      During the last five years, neither the Reporting Person, the
                  Investment Manager, Mr. Derby nor any executive officer or
                  director of the Reporting Person or the Investment Manager has
                  been a party to a civil proceeding of a judicial or
                  administrative body of competent jurisdiction as a result of
                  which such person or entity was or is 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 findings of any violation with
                  respect to such laws.

         (f)      Not applicable.



CUSIP No. 78465L206                     13D                   Page 6 of 10 Pages

--------------------------------------------------------------------------------

Item 3.  Source and Amount of Funds or Other Consideration

                Pursuant to an Exchange Agreement dated as of January 25, 2005
between the Reporting Person and SP Holding, on February 4, 2005, Speedcom
issued to the Reporting Person one share of common stock for every three shares
of common stock issuable upon the exercise of warrants held by the Reporting
Person to purchase an aggregate of 909,065 shares of common stock. The exercise
price of the warrants was $2.50 per share. Pursuant to the Exchange Agreement,
the Reporting Person acquired 303,021 shares of Common Stock. Please see the
Schedule 13D filed on January 30, 2004; Amendment No. 1 to Schedule 13D
filed on February 11, 2004; Amendment No. 2 to Schedule 13D filed on
November 2, 2005 and Amendment No. 3 to Schedule 13D filed on December 31, 2005
for a description of the previous transactions effected with respect to SP
Holding securities and the source and amount of funds or other consideration
provided in connection with such transactions.

          Speedcom changed its corporate name from "Speedcom Wirelss
Corpration" to "SP Holding Corporation" and effected a one-for-three hundred
reverse stock split of its common stock effective on November 21, 2005

Item 4.  Purpose of Transaction

         The purpose of the acquisitions by the Reporting Person was to
purchase and acquire securities of SP Holding for investment purposes. Please
see the Schedule 13D filed on January 30, 2004; Amendment No. 1 to Schedule 13D
filed on February 11, 2004; Amendment No. 2 to Schedule 13D
filed on November 02, 2005 and Amendment No. 3 to Schedule 13D filed on
December 31, 2005 for a description of the previous transactions effected with
respect to SP Holding securities.

        Except as disclosed herein or in the Schedule 13D filed on January 30,
2004; Amendment No. 1 to Schedule 13D filed on February 11, 2004; Amendment
No. 2 to Schedule 13D filed on November 2, 2005 and Amendment No. 3 to Schedule
 13D filed on December 31, 2005 the Reporting Person does not have any other
plans or proposals which would result in: (i) an extraordinary corporate
transaction, such as a merger, reorganization or liquidation of SP Holding or
any of its subsidiaries; (ii) a sale or transfer of a material amount of assets
 of SP Holding or any of its subsidiaries; (iii) any change in the present
board of directors or management of SP Holding, including any plans or
proposals to change the number or term of directors or to fill any existing
vacancies on the board; (iv) any material change in the present capitalization
or dividend policy of SP Holding; (v) any other material change in SP Holding's
business or corporate structure, (vi) any changes in SP Holding's charter,
by-laws or instruments corresponding thereto or other actions which may impede
the acquisition of control of SP Holding by any person; (vii) causing a class of
securities of SP Holding to be delisted from a national securities exchange or
cease to be authorized to be quoted in an inter-dealer quotation system of
a registered national securities association; (viii) causing a class of equity
securities of SP Holding to become eligible for termination of registration
pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934, as
amended; or (ix) any action similar to any of those enumerated above.



CUSIP No. 78465L206                     13D                   Page 7 of 10 Pages

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Item 5.  Interest in Securities of the Issuer

         1.       The Reporting Person.

                  (a)      Amount beneficially owned: 83,916 shares of common
                           stock.

                  (b)      Percent of Class: 19.10% (2)

                  (c)      Number of shares as to which such person has:

                           (i)      sole power to vote or direct the vote:
                                    83,916

                           (ii)     shared power to vote or direct the vote: 0

                           (iii)    sole power to dispose or direct the
                                    disposition of: 83,916

                           (iv)     shared power to dispose or direct the
                                    disposition of: 0

                           (2) Inculdes 83,918 shares of common stock; 67,801
                               shares of common stock issuable upon the
                               conversion of 22.6003 Series A Preferred stock.
                               The reporting person may not convert the Series
                               A preferred stock to the extend such conversion
                               would result in the reporting person
                               beneficially owing in excess of 9.99% of the
                               issuer's issued and outstanding shares of common
                               stock.

         2.       The Investment Manager.

                  (a)      Amount beneficially owned: 83,916 shares of common
                           stock

                  (b)      Percent of Class: 19.10%

                  (c)      Number of shares as to which such person has:

                           (i)      sole power to vote or direct the vote: 0

                           (ii)     shared power to vote or direct the vote:
                                    83,916

                           (iii)    sole power to dispose or direct the
                                    disposition of: 0

                           (iv)     shared power to dispose or direct the
                                    disposition of: 83,916

         3.       Mr. Derby.

                  (a)      Amount beneficially owned: 83,916 shares of common
                           stock.

                  (b)      Percent of Class: 19.10%

                  (c)      Number of shares as to which such person has:

                           (i)      sole power to vote or direct the vote: 0



CUSIP No. 78465L206                     13D                   Page 8 of 10 Pages

--------------------------------------------------------------------------------

                           (ii)     shared power to vote or direct the vote:
                                    83,916

                           (iii)    sole power to dispose or direct the
                                    disposition of: 0

                           (iv)     shared power to dispose or direct the
                                    disposition of: 83,916

Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
         to Securities of the Issuer

         To the knowledge of the Reporting Person, the Investment Manager or Mr.
Derby on the date hereof, except to the extent set forth herein, neither the
Reporting Person, the Investment Manager or Mr. Derby has any other contracts,
arrangements, understandings or relationship (legal or otherwise) with any
person with respect to securities issued by the Company, including, but not
limited to, transfer or voting of any such securities, finder's fees, joint
ventures, loan or option arrangements, puts or calls, guarantees or profits,
divisions or profits or loss or the giving or withholding of proxies.

Item 7.    Material to be Filed as Exhibits

Exhibit 1         Joint Filing Agreement




CUSIP No. 78465L206                     13D                   Page 9 of 10 Pages

--------------------------------------------------------------------------------

                                    SIGNATURE

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

Dated: February 14, 2007


                                                   SDS CAPITAL GROUP SPC, LTD.
                                                   By: SDS Management, LLC,
                                                       its Investment Manager

                                                   By: /s/ Steven Derby
                                                       -------------------------
                                                        Name:  Steven Derby
                                                        Title: Managing Member


                                                   SDS MANAGEMENT, LLC

                                                   By: /s/ Steven Derby
                                                       -------------------------
                                                        Name:  Steven Derby
                                                        Title: Managing Member

                                                   /s/ Steven Derby
                                                   -----------------------------
                                                           Steven Derby



CUSIP No. 78465L206                     13D                  Page 10 of 10 Pages

--------------------------------------------------------------------------------


                                    EXHIBIT 1
                             JOINT FILING AGREEMENT

This Agreement is filed as an exhibit to this Amendment No. 4 to Schedule 13D
being filed by SDS Capital Group SPC, Ltd., SDS Management, LLC and Mr. Steven
Derby in compliance with Rule 13d-1(k) of the Securities and Exchange
Commission, which requires an agreement in writing indicating that this Schedule
13D to which this Agreement is attached is filed on behalf of the below-named
companies and individual, that they are each responsible for the timely filing
of the Schedule 13D and any amendments thereto and for the completeness and
accuracy of the information concerning such persons contained therein.

Dated: February 14, 2007

                                                   SDS CAPITAL GROUP SPC, LTD.
                                                   By: SDS Management, LLC,
                                                       its Investment Manager

                                                   By: /s/ Steven Derby
                                                       -------------------------
                                                        Name:  Steven Derby
                                                        Title: Managing Member


                                                   SDS MANAGEMENT, LLC

                                                   By: /s/ Steven Derby
                                                       -------------------------
                                                        Name:  Steven Derby
                                                        Title: Managing Member

                                                   /s/ Steven Derby
                                                   -----------------------------
                                                           Steven Derby