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 *
Dean Eric C.
  2. Issuer Name and Ticker or Trading Symbol
LIQUIDITY SERVICES INC [LQDT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Information Officer
(Last)
(First)
(Middle)
C/O LIQUIDITY SERVICES, INC., 1920 L STREET, N.W., 6TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
12/20/2011
(Street)

WASHINGTON, DC 20036
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 12/20/2011   S   1,875 D $ 37.65 0 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
Employee Stock Grant $ 15.47               (1) 10/01/2020 Common Stock 7,569   7,569 D  
Employee Stock Option $ 15.47               (2) 10/01/2020 Common Stock 14,911   14,911 D  
Employee Stock Grant $ 15.47               (3) 10/01/2020 Common Stock 13,125   13,125 D  
Employee Stock Option $ 7.48               (4) 10/01/2018 Common Stock 44,006   44,006 D  
Employee Stock Option $ 13.56               (5) 10/15/2017 Common Stock 200,000   200,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Dean Eric C.
C/O LIQUIDITY SERVICES, INC.
1920 L STREET, N.W., 6TH FLOOR
WASHINGTON, DC 20036
      Chief Information Officer  

Signatures

 /s/ James E. Williams, by power of attorney   12/22/2011
**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) Twenty-five percent of this restricted stock grant vested on October 1, 2011 and thereafter 1/4th of the restricted stock grant will vest on October 1 of each year for three years.
(2) Twenty-five percent of this option grant vested on October 1, 2011 and thereafter 1/48th of the option grant will vest each month for thirty-six months.
(3) These restricted shares will vest, if at all, based on the Issuer's achivement of certain financial milestones.
(4) Twenty percent of this option grant vested on October 1, 2009 and thereafter 1/60th of the option grant will vest each month for forty-eight months.
(5) Twenty-five percent of this option grant vested on 10/15/2008, and thereafter, 1/48th of the option grant will vest each month for thirty-six months.

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