Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MORGENS WATERFALL VINTIADIS & CO INC
   2. Issuer Name and Ticker or Trading Symbol
PRIMUS TELECOMMUNICATIONS GROUP INC [PMUG.OB] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
600 FIFTH AVENUE, 27TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
07/19/2010
(Street)

NEW YORK, NY 10020		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants (Right to Purchase) $ 12.22 07/19/2010 07/19/2010 P   25,513   07/21/2010 07/01/2014 Common Stock 25,513 $ 1.61 73,291 I See FN (1) (2)
Warrants (Right to Purchase) $ 16.53 07/19/2010 07/19/2010 P   25,513   07/21/2010 07/01/2014 Common Stock 25,513 $ 0.36 73,291 I See FN (1) (2)
Warrants (Right to Purchase) $ 20.5 07/19/2010 07/19/2010 P   25,513   07/21/2010 07/01/2014 Common Stock 25,513 $ 0.16 73,291 I See FN (1) (2)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MORGENS WATERFALL VINTIADIS & CO INC
600 FIFTH AVENUE
27TH FLOOR
NEW YORK, NY 10020		     X    

Signatures

 Morgens, Waterfall, Vintiadis & Co., Inc., /s/ Edwin H. Morgens, Attorney-in-fact   07/21/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Warrants to which this note relates are held directly by Phaeton International (BVI) Ltd. ("Phaeton"), with respect to 27,039 Warrants; Phoenix Partners, L.P. ("Phoenix"), with respect to 45,000 Warrants, and Phoenix Partners II, L.P. ("Phoenix II" and collectively with Phaeton and Phoenix, the "Advisory Clients"), with respect to 4,500 Warrants. The Advisory Clients also directly hold 900,000 shares of Common Stock $0.001 par value ("Common Stock") as reported in the Form 3 filed on July 21, 2010.
(2) Morgens, Waterfall, Vintiadis & Company, Inc. ("Morgens Waterfall") serves as the investment adviser to, and provides discretionary investment advisory services to, the Advisory Clients. Edwin H. Morgens is the Chairman of Morgens Waterfall.

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