Sec Form 4 Filing - CLOUGH PHILLIP A @ LIQUIDITY SERVICES INC - 2021-08-02

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 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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1. Name and Address of Reporting Person CLOUGH PHILLIP A 2. Issuer Name and Ticker or Trading Symbol LIQUIDITY SERVICES INC [ LQDT] 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) 400 EAST PRATT STREET, SUITE 910 3. Date of Earliest Transaction (MM/DD/YY) 08/02/2021 (Street) BALTIMORE, MD21202-3116 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 08/02/2021 M( 1 ) 14,730 A $ 6.29 87,997 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Stock Option $ 42.31 02/01/2013 02/01/2022 Common Stock 5,328 5,328 D Stock Option $ 40.11 02/01/2014 02/01/2023 Common Stock 5,954 5,954 D Stock Option $ 21.53 02/01/2015 02/01/2024 Common Stock 13,144 13,144 D Stock Option $ 9.84 02/01/2016 02/01/2025 Common Stock 19,050 19,050 D Stock Option $ 6.29 08/02/2021 M( 1 ) 14,730 02/01/2017 02/01/2026 Common Stock 14,730 $ 0 0 D Stock Option $ 9.75 02/01/2018 02/01/2027 Common Stock 3,561 3,561 D Stock Option $ 6.5 02/01/2019 02/01/2028 Common Stock 15,344 15,344 D Stock Option $ 8.5 02/01/2020 02/01/2029 Common Stock 11,816 11,816 D Stock Option $ 5.32 02/01/2021 02/01/2030 Common Stock 6,980 6,980 D Restricted Stock Grant ( 2 ) ( 3 ) 02/01/2022 Common Stock 3,724 3,724 D Stock Option $ 21.48 02/01/2022 02/01/2031 Common Stock 1,622 1,622 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CLOUGH PHILLIP A 400 EAST PRATT STREET, SUITE 910 BALTIMORE, MD21202-3116 X Signatures /s/ Mark A. Shaffer, by power of attorney 08/02/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This transaction reflects an exercise of stock options granted to the reporting person as compensation pursuant to the issuer's Third Amended and Restated 2006 Omnibus Long-Term Incentive Plan and the Stock Option Agreement, dated February 1, 2016, by and between the issuer and the reporting person. As a result of this exercise of stock options, the reporting person acquired 14,730 shares of common stock directly from the issuer for a purchase price of $92,651.70. No shares were sold by the reporting person. This acquisition of 14,730 shares of common stock represents an exempt transaction under SEC Rule 16b-3. ( 2 )Each restricted stock unit is the economic equivalent of one share of Liquidity Services, Inc. Common Stock. ( 3 )These restricted stock units vest on February 1, 2022.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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