SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                                                                      
                                  SCHEDULE 13G
                                 (RULE 13d-102)

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

                                (Amendment No. 2)

                             SIGA Technologies, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                         Common Stock, $.0001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   826917 10 6
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2004
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of This Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [   ] Rule 13d-1(b)
         [ X ] Rule 13d-1(c)
         [   ] Rule 13d-1(d)

                               (Page 1 of 5 Pages)



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

 CUSIP No. 826917 10 6                13D              Page 2 of  5 Pages

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

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

1         NAME OF REPORTING PERSONS
          I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
          Gabriel M. Cerrone
--------- ----------------------------------------------------------------------

2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*           (a) |_|

                                                                      (b) |X|
--------- ----------------------------------------------------------------------

3         SEC USE ONLY

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

4         CITIZENSHIP OR PLACE OF ORGANIZATION
          United States

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

                          5   SOLE VOTING POWER
                              1,075,000 **
                        ----- --------------------------------------------------
   NUMBER OF SHARES
     BENEFICIALLY         6   SHARED VOTING POWER
       OWNED BY               649,388**  ***
         EACH           ----- --------------------------------------------------
      REPORTING
     PERSON WITH          7   SOLE DISPOSITIVE POWER
                              1,075,000 **
                        ----- --------------------------------------------------

                          8   SHARED DISPOSITIVE POWER
                              649,388 **  ***

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

   9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          1,724,388 **  ***
--------- ----------------------------------------------------------------------

  10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
          CERTAIN SHARES*                                                 |_|
--------- ----------------------------------------------------------------------

  13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

          6.6 **  ***
--------- ----------------------------------------------------------------------

  14      TYPE OF REPORTING PERSON*
          IN
--------- ----------------------------------------------------------------------

                           *  SEE INSTRUCTIONS BEFORE FILLING OUT!

** Mr. Cerrone is the sole general partner of Panetta Partners Ltd. and in such
capacity exercises voting and dispositive control over securities owned by
Panetta. As such, Mr. Cerrone may be deemed, solely for purposes of Section
13(d) and 13(g), to "beneficially" own securities in which he has no pecuinary
interest and he therefore disclaims such beneficial ownership.

*** Panetta holds, inter alia, a warrant (the "Distributor Warrant") to
    purchase up to 210,000 shares of Common Stock, a warrant to purchase up to
    303,200 shares of Common Stock, two warrants to purchase an aggregate of
    up to 121,500 shares of Common Stock and a warrant to purchase up to
    14,688 shares of Common Stock.




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

 CUSIP No. 826917 10 6                13D              Page 3 of  5 Pages

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

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

1         NAME OF REPORTING PERSONS
          I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
          Panetta Partners Ltd.
--------- ----------------------------------------------------------------------

2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*           (a) |_|

                                                                      (b) |X|
--------- ----------------------------------------------------------------------

3         SEC USE ONLY

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

4         CITIZENSHIP OR PLACE OF ORGANIZATION
          CO

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

                          5   SOLE VOTING POWER
                              0
                        ----- --------------------------------------------------
   NUMBER OF SHARES
     BENEFICIALLY         6   SHARED VOTING POWER
       OWNED BY               649,388**
         EACH           ----- --------------------------------------------------
      REPORTING
         EACH             7   SOLE DISPOSITIVE POWER
     PERSON WITH
                        ----- --------------------------------------------------

     PERSON WITH          8   SHARED DISPOSITIVE POWER
                              649,388 **
--------- ----------------------------------------------------------------------

   9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          649,388 **
--------- ----------------------------------------------------------------------

  10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
          CERTAIN SHARES*                                                 |_|
--------- ----------------------------------------------------------------------

  13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

          2.6 **
--------- ----------------------------------------------------------------------

  14      TYPE OF REPORTING PERSON*
          PN
--------- ----------------------------------------------------------------------

                           *  SEE INSTRUCTIONS BEFORE FILLING OUT!


** Panetta holds, inter alia, a warrant to purchase up to 210,000 shares of
   Common Stock, a warrant to purchase up to 303,200 shares of Common Stock,
   two warrants to purchase an aggregate of up to 121,500 shares of Common
   Stock and a warrant to purchase up to 14,688 shares of Common Stock.



                                                               Page 4 of 5 Pages

Item 1(a).    Name of Issuer:

              SIGA Technologies, Inc.

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

              420 Lexington Avenue, Suite 601, New York, NY 10170

Item 2(a).    Name of Person Filing.
      (b).    Address of Principal Business Office or, if None, Residence.
      (c).    Citizenship.

              Gabriel M. Cerrone
              1275 First Avenue, Suite 296
              New York, NY 10021
              U.S. Citizen

              U.S. Citizen

              Panetta Partners Ltd.
              1275 First Avenue, Suite 296
              New York, NY 10021
              U.S. Citizen

              Colorado limited partnership

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

              Common Stock, $.0001 par value

Item 2(e).    CUSIP Number.

              826017 10 6

Item 3.       If this Statement is Filed Pursuant to Rule 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 Exchange Act.
       (b) |_| Bank as defined in Section 3(a)(6) of the Exchange Act.
       (c) |_| Insurance Company as defined in Section 3(a)(19) of the Exchange
               Act. 
       (d) |_| Investment Company registered under Section 8 of the Investment
               Company Act. 
       (e) |_| An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).
       (f) |_| An employee benefit plan or endowment fund in accordance with 
               Rule 13d-1(b)(1)(ii)(F).
       (g) |_| A parent holding company or control person in accordance with
               Rule 13d-1(b)(1)(ii)(G). 
       (h) |_| A savings association as defined in Section 3(b) of the Federal
               Deposit Insurance Act.
       (i) |_| A church plan that is excluded from the definition of an
               investment company under Section 3(c)(14) of the Investment
               Company Act.
       (j) |_| Group, in accordance with Rule 13d-1(b)(1)(ii)(J).



                                                               Page 5 of 5 Pages

Item 4.       Ownership.

          Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

       (a)    Amount beneficially owned: 1,724,388 
       (b)    Percent of class: 6.6%
       (c)    Number of shares as to which such person has:
              (i)   Sole power to vote or to direct the vote: 1,075,000 
              (ii)  Shared power to vote or to direct the vote: 649,388 
              (iii) Sole power to dispose or to direct the disposition of: 
                    1,075,000 
              (iv)  Shared power to dispose or to direct the disposition of: 
                    649,388

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.

              Not Applicable

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

              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.      Certifications.

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

                                    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.

                                                   Date: March 8, 2005

                                                   Gabriel M. Cerrone

                                                   /s/ Gabriel M. Cerrone
                                                   ----------------------

                                                   PANETTA PARTNERS, LTD.

                                                   By:  /s/ Gabriel M. Cerrone
                                                        ----------------------
                                                         Gabriel M. Cerrone
                                                         Managing Member