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 *
HYATT MICHAEL
  2. Issuer Name and Ticker or Trading Symbol
ENDO PHARMACEUTICALS HOLDINGS INC [ENDP]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
383 MADISON AVENUE, 43RD FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
12/03/2010
(Street)

NEW YORK, NY 10179
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, par value, $.01 per share 12/03/2010   M   10,000 A $ 6.88 257,605 D  
Common Stock, par value, $.01 per share 12/03/2010   S   10,000 D $ 36.43 (1) 247,605 (2) D  

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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
2000 Stock Incentive Plan Stock Options (NQ) $ 6.88 12/03/2010   M     10,000   (3) 03/12/2011 Common Stock 10,000 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HYATT MICHAEL
383 MADISON AVENUE
43RD FLOOR
NEW YORK, NY 10179
  X      

Signatures

 /s/ Caroline B. Manogue, by Power of Attorney   12/07/2010
**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) This represents the price at which Mr. Hyatt's common shares were sold at on December 3, 2010.
(2) This number represents (i) 215,000 shares of common stock owned directly by Mr. Hyatt, (ii) 20,750 shares of common stock held in trusts for which Mr. Hyatt serves as trustee and as to which shares Mr. Hyatt holds either the sole or the shared power of disposition and power to vote, (iii) 2,262 shares of restricted stock, all of which are fully vested and (iv) 9,593 restricted stock units, 4,750 of which are fully vested. Mr. Hyatt's beneficial ownership disclosed in this table excludes all shares held by Mr. Hyatt indirectly, including shares underlying stock options as well as a total of 25,000 shares of common stock held in trusts for the benefit of Mr. Hyatt's adult children, as to which shares Mr. Hyatt has neither the power of disposition nor the power to vote.
(3) Mr. Hyatt's 10,000 non-qualified stock options granted under the 2000 Stock Incentive Plan on March 12, 2001, were generally exercisable 25% per year on each of March 12, 2002, March 12, 2003, March 12, 2004 and March 12, 2005.

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