SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM 10-Q

               Quarterly Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                       For the quarter ended June 30, 1999

                         Commission file number: 0-23047

                           SIGA PHARMACEUTICALS, INC.
             (Exact name of registrant as specified in its charter)

                DELAWARE                                    13-864870
                --------                                    ---------
    (State or other jurisdiction of                   (IRS Employer Id. No.)
     incorporation or organization)

                              420 Lexington Avenue
                               New York, NY 10170
                    (Address of principal executive offices)

       Registrant's telephone number, including area code: (212) 672-9100

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.  Yes |X| No |_|.

As of July 31, 1999,  the  Registrant had  outstanding  6,557,712  shares of its
$.0001 par value Common Stock.



                          Part I. Financial Information

Item 1. Financial Statements


                            SIGA PHARMACEUTICALS, INC.
                          (A development stage company)

                                  BALANCE SHEET



                                                                         June 30,      December 31,
                                                                           1999            1998
                                                                       ------------    ------------
                               ASSETS
                                                                                 
 Current Assets
   Cash and cash equivalents .......................................   $  3,332,956    $  4,966,873
   Prepaid expenses ................................................         18,090         134,969
                                                                       ------------    ------------
    Total current assets ...........................................      3,351,046       5,101,842

   Equipment, net ..................................................      1,566,069       1,696,404
   Investments .....................................................             --         132,220
   Other assets ....................................................        147,002         147,002
                                                                       ------------    ------------
    Total assets ...................................................      5,064,117       7,077,468
                                                                       ============    ============
               LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities
   Accounts payable ................................................        250,600         266,371
   Accrued expenses ................................................         90,145         143,364
   Capital lease obligations .......................................        317,606         369,288
                                                                       ------------    ------------
    Total liabilities ..............................................        658,351         779,023

   Non current capital lease obligations ...........................        551,128         650,659
Commitments and contingencies ......................................             --              --

Stockholders' equity
   Preferred stock ($.0001 par value, 10,000,000 shares authorized,
     none issued and outstanding) ..................................             --              --
   Common stock ($.0001 par value, 25,000,000 shares authorized,
     6,577,712 and 6,577,712 issued and outstanding at June 30, 1999
     and December 31, 1998, respectively) ..........................            658             658
   Additional paid-in capital ......................................     16,726,664      16,697,424
   Unrealized losses on available for sale securities ..............             --         (34,816)
   Deficit accumulated during the development ......................    (12,872,684)    (11,015,480)
                                                                       ------------    ------------
    Total stockholders' equity .....................................      3,854,638       5,647,786
                                                                       ------------    ------------
    Total liabilities and stockholders' equity .....................      5,064,117       7,077,468
                                                                       ============    ============


    The accompanying notes are an integral part of these financial statements



                           SIGA PHARMACEUTICALS, INC.
                          (A development stage company)

                             STATEMENT OF CASH FLOWS



                                                                                      For The Period
                                                                                        December 28,
                                                                                       1995 (Date of
                                                              Six Months Ended         Inception) to
                                                         June 30         June 30,         June 30,
                                                           1999            1998             1999
                                                       ------------    ------------    ------------
                                                        (Unaudited)      (Unaudited)     (Unaudited)
                                                                              
Cash flows from operating activities:
  Net loss                                             $ (1,857,204)   $ (4,132,219)   $(12,872,684)
  Adjustments to reconcile net loss to net
    cash used in operating activities:
    Depreciation                                            184,918          25,306         412,899
    Stock, options & warrant compensation                    29,240          87,507         655,560
    Amortization of debt discount                                --              --         133,000
    Write-off of in-process research and development             --       1,457,458       1,457,458
    Realized gain on sale of marketable securities          (66,660)                        (66,660)
    Changes in assets and liabilities:
      Accounts receivable                                        --         150,000              --
      Prepaid sponsored research                                             11,684              --
      Prepaid expenses and ither current assets             116,879         (64,981)        (18,090)
      Other assets                                               --         (41,161)       (147,002)
      Accounts payable and accrued expenses                 (68,990)          2,795         340,745
                                                       ------------    ------------    ------------
      Net cash used in operating activities              (1,661,817)     (2,503,611)    (10,104,774)
                                                       ------------    ------------    ------------
Cash flows from investing activities:
  Capital expenditures                                      (54,583)     (1,456,445)     (1,978,968)
  Purchase of minority interest                                                            (167,036)
  Proceeds from sale of securities                          233,696              --         233,696
                                                       ------------    ------------    ------------
      Net cash flow used in investing activities            179,113      (1,456,445)     (1,912,308)
                                                       ------------    ------------    ------------
Cash flows from financing activities:
  Net proceeds from issuance of common stock                     --                      14,480,056
  Receipts of stock subscriptions outstanding                    --                           1,248
  Deferred offering costs                                        --                              --
  Proceeds from bridge notes                                     --                       1,000,000
  Repayment of bridge notes                                                              (1,000,000)
  Proceeds from sale and leaseback of equipment                                           1,139,085
  Principal payments on capital lease obligations          (151,213)             --        (270,351)
                                                       ------------    ------------    ------------
      Net cash provided from financing activities          (151,213)             --      15,350,038
                                                       ------------    ------------    ------------

Net increase in cash and cash equivalents                (1,633,917)     (3,960,056)      3,332,956
Cash and cash equivalents at beginning of period          4,966,873      10,674,104              --
                                                       ------------    ------------    ------------
Cash and cash equivalents at end of period             $  3,332,956    $  6,714,048    $  3,332,956
                                                       ------------    ------------    ------------


    The accompanying notes are an integral part of these financial statements



                           SIGA PHARMACEUTICALS, INC.

                          (A development stage company)

                             STATEMENT OF OPERATIONS



                                                                                                                      For The Period
                                                                                                                       December 28,
                                                                                                                       1995 (Date of
                                                                Three Months Ended           Six Months Ended          Inception) to
                                                                      June 30,                    June 30,                June 30,
                                                                1999           1998         1999            1998            1999
                                                             ----------    -----------   -----------    -----------    ------------
                                                             (Unaudited)    (Unaudited)   (Unaudited)    (Unaudited)     (Unaudited)
                                                                                                        
Revenues - Research and development
      contracts                                                 112,500    $   112,500       225,000        225,000    $  1,350,000
                                                             ----------    -----------   -----------    -----------    ------------
Operating expenses

    General and administrative (including amounts to
       related parties of $121,907 and $131,973 for the
       three months ended June 30, 1999 and 1998,
       respectively, and $248,263 and $249,093 for the six   $  530,673        905,342     1,055,758      1,446,160       6,184,024
       months ended June 30, 1999 and 1998, respectively

    Research and development (including amounts
       to related parties of $18,750 and $37,500 for the
       three months ended June 30, 1999 and 1998,               519,049      1,089,863     1,072,753      1,602,080       5,609,498
       respectively, and $37,500 and $56,250 for the
       six months ended June 30, 1999 and 1998, respectively

    Write-off of in-process research and development                 --             --                    1,457,458       1,457,458
    Patent preparation fees                                      60,764         46,444       122,703         86,722       1,059,980
    Stock option and warrant compensation                            --             --                       14,407         450,450
                                                             ----------    -----------   -----------    -----------    ------------
Total operating expenses                                      1,110,486      2,041,649     2,251,214      4,606,827      14,761,410
                                                             ----------    -----------   -----------    -----------    ------------
Operating loss                                                 (997,986)    (1,929,149)   (2,026,214)    (4,381,827)    (13,411,410)
                                                             ----------    -----------   -----------    -----------    ------------
Interest income                                                  45,502        167,676       102,350        249,608         472,066
Net gain on sale of securities                                   42,570             --        66,660             --          66,660
                                                             ----------    -----------   -----------    -----------    ------------
Net loss                                                     $ (909,914)   $(1,761,473)  $(1,857,204)   $(4,132,219)   $(12,872,684)
                                                             ----------    -----------   -----------    -----------    ------------
Other comprehensive income
    Unrealized gains on available for sale securities            15,180             --        34,816             --              --
                                                             ----------    -----------   -----------    -----------    ------------
Comprehensive income/(loss)                                  $ (894,734)   $(1,761,473)  $(1,822,388)   $(4,132,219)   $(12,872,684)

Basic and diluted loss per share                             $    (0.14)   $     (0.27)  $     (0.28)   $     (0.64)
                                                             ----------    -----------   -----------    -----------
Weighted average common shares outstanding used
  for basic and diluted loss per share                        6,577,712      6,577,712     6,577,712      6,501,708
                                                             ----------    -----------   -----------    -----------


    The accompanying notes are an integral part of these financial statements



                           SIGA Pharmaceuticals, Inc.
                          (A development stage company)

                     Notes to Unaudited Financial Statements

1. Basis of Presentation

     The financial statements of SIGA  Pharmaceuticals,  Inc. have been prepared
in  accordance  with  generally  accepted  accounting   principles  for  interim
financial  information  and the rules of the Securities and Exchange  Commission
(the "SEC") for quarterly  reports on forms 10-QSB and do not include all of the
information and footnote  disclosures  required by generally accepted accounting
principles for complete financial statements. These statements should be read in
conjunction with the Company's  audited  financial  statements and notes thereto
for the year ended December 31, 1998, included in the 1998 Form 10-KSB.

     In  the  opinion  of  management,   the  accompanying  unaudited  financial
statements include all adjustments,  consisting of normal adjustments, necessary
for a fair  presentation of results of operations for the interim  periods.  The
results of operations for the six months ended June 30, 1999 are not necessarily
indicative  of the results of operations to be expected for the full year ending
December 31, 1999.

2. License and Research Support Agreements

     In January 1996, the Company entered into a research agreement with a third
party. Under the terms of the agreements, the Company had agreed to fund further
research by the third  parties in the annual amount of  approximately  $360,000.
The agreement  expired in January 1998;  however,  the Company has continued its
relationship  with the third  party  under  similar  terms for the period  ended
January 1999 and intends to continue its relationship with the third party on an
informal basis.

     In February 1998,  the Company  entered into a research  collaboration  and
license agreement with Washington University.  Under the terms of the agreement,
the Company has been granted an exclusive  world-wide  license to make,  use and
sell  products  derived  from the licensed  technology,  in exchange for royalty
payments  equal to a certain  percentage of net sales of products  incorporating
the licensed  technology,  and certain  milestone  payments.  In  addition,  the
Company  agreed  to  sponsor  further  research  by  the  third  party  for  the
development of the licensed technologies. In July 1997, the Company entered into
a separate  consulting  agreement  with a faculty  member of the  University.  A
dispute has arisen  between the Company and the  University  and the  consultant
regarding,  among  other  things,  the  performance  of the  parties  under  the
agreements.  In May 1999, the University  sent the Company a notice of intent to
terminate the agreement in 90 days claiming  certain  payments were not made. It
is the Company's  position that, among other things,  such payments are not owed
due to the University's failure to perform.  Under the arbitration clause of the
agreement,  the University,  in July 1999,  commenced an arbitration  seeking an
award in the amount of  $230,000.  The Company  also  commenced  an  arbitration
seeking a  determination



that such amount is not owed to the  University  and seeking its own award of $5
million. Under the terms of the agreement,  the agreement will terminate 90 days
after the resolution of the dispute,  upon written notice by the University,  if
it is  determined  that the  Company  owes  payments to the  University  and the
Company does not make such payments within such 90 day period. In addition,  the
Company has filed a lawsuit  against the  consultant  for,  among other  things,
interfering  with the  Company's  contract  with the  University  and for making
certain alleged  misrepresentations to the Company.  During the six months ended
June 30,  1999 and 1998 the  company  incurred  sponsored  research  expense  of
approximately $161,000 and $94,000 under this agreement.


Item 2. Management's  Discussion and Analysis of Financial Condition and Results
of Operations

Overview

The  Company  is a  development  stage,  biopharmaceutical  company.  Since  its
inception in December 1995, the Company's efforts have been principally  devoted
to research and development,  securing patent  protection,  obtaining  corporate
relationships  and raising capital.  Since its inception  through June 30, 1999,
the Company has sustained  cumulative losses of $12,872,684,  including non-cash
charges  in  the  amount  of  $1,457,458  for  the  write-off  of  research  and
development  expenses  associated  with the  acquisition  of certain  technology
rights  acquired from a third party in exchange for the Company's  common stock.
In  addition,  a non-cash  charge of $450,450  was incurred for stock option and
warrant compensation  expense. The Company's losses have resulted primarily from
expenditures  incurred in  connection  with  research  and  development,  patent
preparation  and  prosecution  and general  and  administrative  expenses.  From
inception through June 30, 1999,  research and development  expenses amounted to
$5,609,498,  patent  preparation and prosecution  expenses  totaled  $1,059,980,
general and  administration  expenses  amounted to  $6,184,024.  From  inception
through June 30, 1999,  total revenues from research and development  agreements
totaled $1,350,000.

The Company  expects to continue to incur  substantial  research and development
costs in the future  resulting form ongoing  research and development  programs,
manufacturing of products for use in clinical trials and pre-clinical testing of
the Company's products. The Company also expects that general and administrative
costs,  including  patent and regulatory  costs,  necessary to support  clinical
trials, research and development, will continue to be substantial in the future.
Accordingly,  the Company expects to incur operating  losses for the foreseeable
future.  There can be no assurance that the Company will ever achieve profitable
operations.

To  date,  the  Company  has  not  marketed,  or  generated  revenues  from  the
commercialization of, any products. The Company's current product candidates are
not expected to be commercially available for several years.


Results of Operations

Three months ended June 30, 1999 to the three months ended June 30, 1998

Revenues from  research and  development  contracts  were $112,500 for the three
months  ended June 30,  1999,  the same amount  realized  for the same period of
1998.  The  revenue  was the result of a payment  made to the  Company  under an
agreement  entered into in July of 1997 with  Wyeth-Ayerst,  whereby the Company
receives certain payments for research and development  activities  sponsored by
Wyeth-Ayerst.

Research  and  development  expenses  declined to $519,049  for the three months
ended June 30, 1999 from $1,089,863 for the same period in 1998. The approximate
52%  decrease  in this area is the result of the  transfer  of most  activities,
including  manufacturing for pre-clinical trials, from higher cost third parties
to the Company's research facility.  The prior year period includes the costs of
a  pre-clinical  trial,  no  comparable  cost was  incurred in the current  year
period.  In addition  the three months  ended June 30, 1998  contained  one time
costs associated with the opening of the Company facility.

General and  administrative  expenses  declined  approximately  41% in the three
months ended June 30, 1999 to $530,673  from $905,342 for the three months ended
June 30, 1998. The decrease is consistent with the Company's  efforts  eliminate
all  non-essential  spending in order to conserve cash.  The decline  reflects a
material  reduction of  administrative  payroll,  lower travel expenses and less
spending for consulting services.



Patent expense of $60,764 for the three months ended June 30, 1999 represents an
increase  of  approximately  31% from the $46,444  level of the prior year.  The
increase is due to the continued  addition of patents for added technologies and
costs associated with the maintenance and expansion of existing patents.

Total  operating  loss  decreased by $931,163 to $1,110,486 for the three months
ended June 30, 1999 from $2,041,649 for the same period of 1998. The decrease of
approximately  46% in the operating loss is the result of the lower spending for
research and development,  general and administrative activities consistent with
the Company's objective to lower operating cost in order to conserve cash.

Interest income for the three months ended June 30, 1999 was $45,502 compared to
income of  $167,676  for the prior year  period.  The  decrease is the result of
lower cash balances available for investment purposes in the current period.

The  Company  had a net gain of 42,570 on the sale of  securities  for the three
months  ended June 30,  1999  compared  to no activity in this area in the prior
year.

Net loss per common  share of $0.14 for the three  months  ended  June 30,  1999
reflects a decrease  in the loss per share of  approximately  48% from the $0.27
per share loss  sustained for the three months ended June 30, 1998.  The decline
in the loss per share is primarily the result of the decreased  operating  costs
incurred for the June 30, 1999 three month period.

Six months ended June 30, 1999 to the six months ended June 30, 1998

Revenues  from  research and  development  contracts  were  $225,500 for the six
months ended June 30, 1999,  equal to the revenue received in the same period of
1998.  The  revenue was the result of a payments  made to the  Company  under an
agreement  entered into in July of 1997 with  Wyeth-Ayerst,  whereby the Company
receives certain payments for research and development  activities  sponsored by
Wyeth-Ayerst.

Research  and  development  expenses  for the six months ended June 30,1999 were
$1,072,753  compared to $1,602,080 for the six month period ended June 30, 1998.
The  decrease in  spending of  approximately  33% is  primarily  the result of a
reduction  in  activity  with  higher  cost  third  party  entities  in favor of
performing the work at the Company's  facility in Corvallis  Oregon which opened
in June of 1998. The Company also incurred a non-cash  charge for the six months
ended June 30, 1998 totaling $1,457,458 for the write-off of in-process research
and development  associated with the acquisition of certain technology purchased
from  MedImmune,  Inc. in exchange for 335,530  shares of the  Company's  common
stock. No similar charges were incurred in the same period of 1999.

General  and  administrative  expenses  decreased  approximately  27% in the six
months  ended June 30, 1999 to  $1,055,758  from  $1,446,160  for the six months
ended June 30, 1998.  The  principal  factor in the decrease in spending was the
material  reduction in general and administrative  payroll.  The current quarter
also reflects lower travel and consulting expenses.

Patent  expense of  $86,722  for the six months  ended June 30,  1998  increased
approximately 41% to $122,703 for the six months ended June 30, 1999. The higher
spending  level  in 1999  was due to the  expansion  of  coverage  for  existing
technologies  as  well  as  filing  for  additional  patents  on new  technology
developed at both third party locations and from work performed at the Company's
research facility.

Total operating loss decreased by  approximately  $2.4 million to $2,026,214 for
the six months ended June 30, 1999 from  $4,381,827 for the same period of 1998.
The decrease in the operating  loss is the result of lower spending for research
and development and general and  administrative  activities  minimally offset by
higher patent preparation and prosecution expense. Excluding the one-time charge
of $1,457,458  incurred in the six month period of 1998 for the write-off of the
in-process R&D associated with the Company's purchase of certain technology from
MedImmune, the operating loss incurred in 1999 represents a 31% improvement from
the prior year.





Interest  income for the six months ended June 30, 1999 was 102,350  compared to
$249,608 for the six month period of the prior year. The decrease was the result
of the decrease in the cash  available for  investment in the current  period as
the funds raised in the  Company's  initial  public  offering  were  expended in
accordance with the Company's development plan.

Net  loss  per  common  share of 0.64 for the six  months  ended  June 30,  1998
improved to $0.28 per share for the six months ended June 30, 1999. The loss per
share was  approximately  56% less in six month period of 1999. The reduction in
the loss is the result of the Company's effort to reduce operating cost in order
to conserve cash.

Liquidity and Capital Resources

As of June 30, 1999 the Company had $3,332,956 in cash and cash  equivalents and
$2,692,695  of working  capital.  In July,  August and  September  of 1998,  the
Company sold certain laboratory equipment, computer equipment and furniture to a
third  party,  for  $493,329,   $385,423  and  $260,333,   respectively,   under
sale/leaseback  arrangements.  The leases  have a term of 42 months and  require
minimum  monthly  payments of $13,171,  $10,290  and $6,950,  respectively.  The
Company has an option to purchase the equipment  for Fair Market Value  (defined
in the  agreement as 15% of original  cost) at the end of the lease.  In July of
1997 the Company  entered into a  collaborative  research and license  agreement
with  Wyeth-Ayerst.  Under the terms of the  agreement,  the Company has granted
Wyeth-Ayerst  an  exclusive  worldwide  license to develop,  make,  use and sell
products   derived  from   specified   technologies.   The  agreement   requires
Wyeth-Ayerst to sponsor  further  research by the Company for the development of
the licensed  technologies  for a period of two years from the effective date of
the agreement,  in return for payments to the Company totaling  $1,200,000.  The
agreement has been  extended on a quarter by quarter basis through  September of
1999.  Through June 30, 1999 the Company has received a total of $1,350,000 from
Wyeth-Ayerst.

The Company anticipates that its current resources will be sufficient to finance
the Company's currently anticipated needs for operating and capital expenditures
through the second  quarter of 2000.  In  addition,  the Company will attempt to
generate  additional  working  capital  through a combination  of  collaborative
agreements, strategic alliances and equity financings.

The Company's working capital and capital requirements will depend upon numerous
factors,  including progress of the Company's research and development programs;
pre-clinical  and  clinical  testing;  timing and cost of  obtaining  regulatory
approvals;  levels of resources that the Company  devotes to the  development of
manufacturing  and marketing  capabilities;  technological  advances;  status of
competitors;   and  the  ability  of  the  Company  to  establish  collaborative
arrangements with other organizations.

The Year 2000

The year 2000 computer system issue involves hardware and software programs that
recognize a date using "00" as the year 1900 rather than the year 2000 and could
result in errors or systems failures for many businesses, including the Company.

Recognizing the importance of minimizing the impact of potential  disruptions to
the  Company's  business  resulting  from the year 2000  issue,  the Company has
adopted a plan to review and correct any potential issues which could impact the
Company's  operations.  The plan  addresses  the state of  readiness of internal
computer  systems as well as significant  external third party systems to handle
the risks associated with the year 2000 issue.

Internal  Preparation.  The two major  areas of  concern  for  computer  systems
internal  to the  Company  are the  financial  systems  and the data  collection
systems for the Company's research efforts.

The Company's  financial  records are  maintained on readily  available  generic
programs  purchased  from various  vendors.  These  programs are run on personal
computers  and a network  server for personal  computers.  All of the  Company's
currently utilized systems have been installed or updated since the beginning of
1997.  A  required  product  specification  for these new  systems  was that the
purchased  systems  were  certified  by the  vendors as able to handle year 2000
issues  properly  (Y2k  compliant).  The critical  financial  systems  addressed
include accounts payable, accounts receivable, cash management,  general ledgers
and financial consolidation.



Information  and data critical to the Company's  research  efforts are generally
maintained  on  printed  records,   however;  many  data  summary,   review  and
communication  activities  utilize  programs  run on  personal  computers  and a
network  server for  personal  computers.  The  Company's  critical  systems for
research have been  installed or updated in recent years and are Y2K  compliant.
Additionally,  the Company has a policy requiring  maintenance of updated copies
of  programs  and files  ("back up") in the case of  possible  system  failures,
including year 2000 issue related  failures.  The back up material is maintained
at the Company's  research  facility and an additional  copy is maintained at an
off site location.

The company currently  believes that its systems are either fully Y2K compliant,
that the  appropriate  back up procedures  exist or that the costs of addressing
any  possible  year 2000 issues will not have a material  adverse  impact on the
Company's operations or financial position.

Third Party  Preparation.  The Company has  identified  its critical third party
relationships  in order to  assess  potential  year 2000  issues  with the third
party's  computer  systems that might  impact the  Company's  operations.  These
critical   relationships   include  an  outside   payroll   service,   financial
institutions  and various service  vendors.  The Company intends to evaluate the
state of readiness of its third party  relationships by surveying these critical
third parties and seeking  assurances that the third parties have addressed year
2000 issues  involving  systems  important  in the conduct of business  with the
Company, or that plans are in place to assure that the systems are Y2K compliant
before the end of 1999. The company's plan is to complete the survey of critical
third  party  relationships  during  the third  quarter  of 1999 and  address or
correct all issues by the end of the third quarter of 1999.

Compliance  Costs.  The Company's  expenditures  on its year 2000 issues to date
have been nominal,  and the Company does not anticipate any  significant  future
costs associated with year 2000 issues.

Risks of the Company's  year 2000 issues.  The greatest risks to the Company are
potential  failures  of the  computer  systems  of  the  Company's  third  party
relationships.  The Company  currently  believes that the most likely worst case
scenario concerning the year 2000 issue involves potential business  disruptions
among financial  institutions  with which the Company  conducts  business.  If a
significant  number  of  these  financial   institutions   experience   business
disruptions  due  to a year  2000  issue,  the  Company's  cash  flow  could  be
materially disrupted.

The Company believes that any year 2000 compliance problems of the Company, it's
customers or vendors will not have any material  adverse effect on the Company's
business, results of operations and financial condition.







                                     Part II

                                Other Information

Item 1    Legal Proceedings

          In February  1998, the Company  entered into a research  collaboration
     and license agreement with Washington University. In July 1997, the Company
     entered into a separate  consulting  agreement with a faculty member of the
     University. A dispute has arisen between the Company and the University and
     the  consultant  regarding,  among other  things,  the  performance  of the
     parties under the agreements.  In May 1999, the University sent the Company
     a notice of intent to terminate the  agreement in 90 days claiming  certain
     payments  were not made.  It is the Company's  position  that,  among other
     things,  such  payments  are not owed due to the  University's  failure  to
     perform. Under the arbitration clause of the agreement, the University,  in
     July  1999,  commenced  an  arbitration  seeking  an award in the amount of
     $230,000. The Company also commenced an arbitration seeking a determination
     that such amount is not owed to the University and seeking its own award of
     $5million.  Under the terms of the agreement,  the agreement will terminate
     90 days after the  resolution  of the dispute,  upon written  notice by the
     University,  if it is  determined  that the  Company  owes  payments to the
     University  and the Company does not make such payments  within such 90 day
     period. In addition, the Company has filed a lawsuit against the consultant
     for, among other things,  interfering with the Company's  contract with the
     University  and  for  making  certain  alleged  misrepresentations  to  the
     Company.

Item 2    Changes in Securities                                    NONE

Item 3    Defaults upon Senior Securities                          NONE

Item 4    Submission of Matters to Vote of Security Holders        NONE

Item 5    Other Information

               In August 1999, Dr.  Stephen Knight  informed the Company that he
          intends to resign from the Company's  Board of  Directors.

Item 6    Exhibits and Reports on Form 8-K                         NONE



                                 SIGNATURE PAGE

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                               SIGA PHARMACEUTICALS, INC.

Dated: August 5, 1999


                               by:  /s/ Thomas N.Konatich
                                    --------------------------------------------

                                    Thomas N. Konatich
                                    Chief Financial Officer
                                    (Principal Accounting and Financial Officer)
                                    and Vice President, Finance