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 *
RACHESKY MARK H MD
  2. Issuer Name and Ticker or Trading Symbol
LEAP WIRELESS INTERNATIONAL INC [LEAP]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
40 WEST 57TH STREET, 24TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2006
(Street)

NEW YORK, NY 10019
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
Common Stock 05/18/2006   A   2,264 A $ 0.0001 2,264 D  
Common Stock               3,340,378 I See Footnotes (1) (3)
Common Stock               8,415,428 I See Footnotes (2) (3)

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RACHESKY MARK H MD
40 WEST 57TH STREET
24TH FLOOR
NEW YORK, NY 10019
  X   X    

Signatures

 /s/ Mark H. Rachesky, MD   05/22/2006
**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) These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"), the general partner of which is MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"). The Reporting Person is the managing member of Institutional Advisors II. In such capacity, the Reporting Person may be deemed to be the beneficial owner of the shares held for the account of Institutional Partners II. MHR Fund Management LLC ("Fund Management") is a Delaware limited liability company that has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares, and accordingly, Fund Management may be deemed to beneficially own the shares held for the account of Institutional Partners II.
(2) These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"), the general partner of which is Institutional Advisors II. The Reporting Person is the managing membeer of Institutional Advisors II. In such capacity, the Reporting Person may be deemed to be the beneficial owner of the shares held for the account of the Institutional Partners IIA. Fund Management has an investment managemnet agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares and, accordingly, Fund Management may be deemed to benefically own the shares held for the account of Institutional Partners IIA.
(3) The filing of this statement shall not be deemed an admission that the Reporting Person is the beneficial owner of any securities not held directly for his account for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

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