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

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                          (Amendment No. ___________) *


                      Primus Telecommunications Group, Inc.
- --------------------------------------------------------------------------
                                (Name of Issuer)


                     Common Stock, $0.01 par value per share
- --------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    741929103
                         -------------------------------
                                 (CUSIP Number)


                                July 31, 2006
- --------------------------------------------------------------------------
             (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)


*    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 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).


Potential persons who are to respond to the collection of information  contained
in this form are not  required to respond  unless the form  displays a currently
valid OMB control number.



CUSIP No.     741929103
- --------------------------------------------------------------------------
       1. Names of Reporting Persons.           Sedna Capital Management LLC
          I.R.S. Identification Nos. of above persons (entities only).
- --------------------------------------------------------------------------
       2. Check the Appropriate Box if a Member of a Group (See Instructions)
          (a) |_|
          (b) |X|
- --------------------------------------------------------------------------
       3. SEC Use Only
- --------------------------------------------------------------------------
       4. Citizenship or Place of Organization   United States
- --------------------------------------------------------------------------
Number of        5. Sole Voting Power         0
Shares Bene-     -----------------------------------------------------------
ficially owned   6. Shared Voting Power       6,731,419
by Each          -----------------------------------------------------------
Reporting        7. Sole Dispositive Power    0
Person With:     -----------------------------------------------------------
                 8. Shared Dispositive Power  6,731,419
----------------------------------------------------------------------------
       9. Aggregate Amount Beneficially Owned by Each Reporting Person
          6,731,419

      10. Check if the Aggregate Amount in Row (11) Excludes Certain
          Shares (See Instructions)   |_|

      11. Percent of Class Represented by Amount in Row (9)        5.92%
----------------------------------------------------------------------------
      12. Type of Reporting Person (See Instructions)  OO
----------------------------------------------------------------------------


CUSIP No.     741929103
- --------------------------------------------------------------------------
       1. Names of Reporting Persons.           Paul Yook
          I.R.S. Identification Nos. of above persons (entities only).
---------------------------------------------------------------------------
       2. Check the Appropriate Box if a Member of a Group (See Instructions)
          (a) |_|
          (b) |X|
---------------------------------------------------------------------------
       3. SEC Use Only
---------------------------------------------------------------------------
       4. Citizenship or Place of Organization   United States
---------------------------------------------------------------------------
Number of        5. Sole Voting Power         0
Shares Bene-     -----------------------------------------------------------
ficially owned   6. Shared Voting Power       6,731,419
by Each          -----------------------------------------------------------
Reporting        7. Sole Dispositive Power    0
Person With:     -----------------------------------------------------------
                 8. Shared Dispositive Power  6,731,419
---------------------------------------------------------------------------
       9. Aggregate Amount Beneficially Owned by Each Reporting Person
          6,731,419(1)

      10. Check if the Aggregate Amount in Row (11) Excludes Certain
          Shares (See Instructions)   |_|

      11. Percent of Class Represented by Amount in Row (9)        5.92%
---------------------------------------------------------------------------
      12. Type of Reporting Person (See Instructions)  IN
- --------------------------------------------------------------------------

(1) Paul Yook and Rengan  Rajaratnam are the managing  members of Sedna
Capital Management LLC.


CUSIP No.     741929103
---------------------------------------------------------------------------
       1. Names of Reporting Persons.           Rengan Rajaratnam
          I.R.S. Identification Nos. of above persons (entities only).
---------------------------------------------------------------------------
       2. Check the Appropriate Box if a Member of a Group (See Instructions)
          (a) |_|
          (b) |X|
---------------------------------------------------------------------------
       3. SEC Use Only
---------------------------------------------------------------------------
       4. Citizenship or Place of Organization   United States
---------------------------------------------------------------------------
Number of        5. Sole Voting Power         0
Shares Bene-     -----------------------------------------------------------
ficially owned   6. Shared Voting Power       6,731,419
by Each          -----------------------------------------------------------
Reporting        7. Sole Dispositive Power    0
Person With:     -----------------------------------------------------------
                 8. Shared Dispositive Power  6,731,419
---------------------------------------------------------------------------
       9. Aggregate Amount Beneficially Owned by Each Reporting Person
          6,731,419(1)

      10. Check if the Aggregate Amount in Row (11) Excludes Certain
          Shares (See Instructions)   |_|

      11. Percent of Class Represented by Amount in Row (9)        5.92%
---------------------------------------------------------------------------
      12. Type of Reporting Person (See Instructions)  IN
- --------------------------------------------------------------------------

(1) Paul Yook and Rengan  Rajaratnam are the managing  members of Sedna
Capital Management LLC.



Item 1.

(a)  The name of the issuer is Primus Telecommunications Group, Inc.
     (the "Issuer").

(b)  The  principal  executive  office of the Issuer is located at
     7901 Jones Branch Drive, Suite 900, McLean, VA 22102.

Item 2.

(a)-(c)  Sedna Capital Management LLC - Delaware

         Paul Yook - United States of America

         Rengan Rajaratnam - United States of America

         Sedna Capital Management LLC, Paul Yook and Rengan Rajaratnam -
         200 Park Avenue, 33rd Floor
         New York, NY 10166


Item 3. If this statement is filed pursuant to ss. 240.13d-1(b), or 240.13d-2(b
        or (c), check whether the person filing is a:

(a)  |_| Broker or dealer registered under section 15 of the Act (15 U.S.C.
         78o).

(b)  |_| Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).


(c)  |_| Insurance  company as defined  in  section  3(a)(19)  of the Act
         (15 U.S.C. 78c).

(d)  |_| Investment company registered under section 8 of the Investment Company
         Act of 1940 (15 U.S.C. 80a-8).

(e)  |_| An investment adviser in accordance with ss. 240.13d-1(b)(1)(ii)(E);

(f)  |_| An  employee   benefit  plan  or   endowment   fund  in   accordance
         with ss. 240.13d-1(b)(1)(ii)(F);

(g)  |_| A  parent   holding   company  or  control   person  in   accordance
         with ss. 240.13d-1(b)(1)(ii)(G);

(h)  |_| A savings  associations  as defined in Section 3(b) of the Federal
         Deposit Insurance Act (12 U.S.C. 1813);

(i)  |_| A church plan that is excluded from the definition of an investment
         company under  section  3(c)(14) of the  Investment  Company Act of
         1940 (15 U.S.C. 80a-3);

(j)  |_| Group, in accordance with ss. 240.13d-1(b)(1)(ii)(J);


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:

        Sedna Capital Management                6,731,419 shares

        Paul Yook                               6,731,419 shares

        Rengan Rajaratnam                       6,731,419 shares

(b)  Percent of class:

        Sedna Capital Management                5.92%

        Paul Yook                               5.92%

        Rengan Rajaratnam                       5.92%

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

        (i)   Sole power to vote or to direct the vote

                Sedna Capital Management                0 shares

                Paul Yook                               0 shares

                Rengan Rajaratnam                       0 shares

        (ii)  Shared power to vote or to direct the vote

                Sedna Capital Management                6,731,419 shares

                Paul Yook                               6,731,419 shares

                Rengan Rajaratnam                       6,731,419 shares

        (iii)  Sole power to dispose or to direct the disposition of

                Sedna Capital Management                0 shares

                Paul Yook                               0 shares

                Rengan Rajaratnam                       0 shares

        (iv)  Shared power to dispose or to direct the disposition of

                Sedna Capital Management                6,731,419 shares

                Paul Yook                               6,731,419 shares

                Rengan Rajaratnam                       6,731,419 shares


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

If this  statement  is being filed to report the fact that as of the date hereof
the  reporting  person has ceased to be the  beneficial  owner of more than five
percent of the class of securities, check the following |_|.

N/A

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

If any other person is known to have the right to receive or the power to direct
the  receipt  of  dividends  from,  or the  proceeds  from  the  sale  of,  such
securities,  a statement  to that effect  should be included in response to this
item and, if such interest relates to more than five percent of the class,  such
person  should be  identified.  A listing of the  shareholders  of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.

N/A

Item7.  Identification  and Classification of the Subsidiary Which Acquired the
         Security Being Reported on By the Parent Holding Company.

If a parent holding company or control person has filed this schedule,  pursuant
to Rule  13d-1(b)(ii)(G),  so  indicate  under  Item 3(g) and  attach an exhibit
stating the identity and the Item 3 classification  of the relevant  subsidiary.
If a parent holding  company or control person has filed this schedule  pursuant
to Rule 13d-1(c) or Rule 13d-1(d),  attach an exhibit stating the identification
of the relevant subsidiary.

N/A

Item 8. Identification and Classification of Members of the Group

If a group has filed  this  schedule  pursuant  to Rule  13d-1(b)(1)(ii)(J),  so
indicate  under Item 3(j) and attach an exhibit  stating the identity and Item 3
classification  of each member of the group.  If a group has filed this schedule
pursuant  to Rule  13d-1(c)  or Rule  13d-1(d),  attach an exhibit  stating  the
identity of each member of the group.

N/A

Item 9. Notice of Dissolution of Group

Notice of dissolution of a group may be furnished as an exhibit stating the date
of the  dissolution and that all further filings with respect to transactions in
the security reported on will be filed, if required, by members of the group, in
their individual capacity. See Item 5.

N/A

Item 10. 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.


                                    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.

Dated:    August 9, 2006



    SEDNA CAPITAL MANAGEMENT LLC


    By: /s/ Rengan Rajaratnam
       -----------------------
       Name:  Rengan Rajaratnam
       Title:  Managing Member



EXHIBIT A

In accordance with Rule 13d-1(k)  promulgated under the Securities Exchange
Act of 1934, as amended,  each of the undersigned  does hereby consent and
agree to the joint filing on behalf of each of them of a statement on Schedule
13G and all amendments  thereto with respect to the Common Stock,  $0.01
per share of Primus Telecommunications Group, Inc. beneficially  owned by
each of them, and the inclusion of this Joint Filing Agreement as an exhibit
thereto.

Dated:  August 9, 2006

Sedna Capital Management LLC


By:  /s/ Rengan Rajaratnam
-----------------------------
Name:  Rengan Rajaratnam
Title: Managing Member


/s/ Paul Yook
-----------------------------
Paul Yook


/s/ Rengan Rajaratnam
----------------------------
Rengan Rajaratnam