Sec Form 4 Filing - MASTIONI MARCELLO @ Altisource Portfolio Solutions S.A. - 2021-02-26

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 MASTIONI MARCELLO 2. Issuer Name and Ticker or Trading Symbol Altisource Portfolio Solutions S.A. [ ASPS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) C/O ALTISOURCE PORTFOLIO SOLUTIONS S.A., 40, AVENUE MONTEREY 3. Date of Earliest Transaction (MM/DD/YY) 02/26/2021 (Street) LUXEMBOURG CITY, N4L-2163 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 02/26/2021 M 3,560 ( 2 ) A $ 0 49,851 D Common Stock 02/26/2021 F 49 ( 1 ) D $ 10.32 49,802 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 Restricted Share Units $ 0 02/26/2021 M 2,560 ( 3 ) ( 3 ) ( 3 ) Common Stock 2,560 $ 0 2,559 ( 3 ) D Restricted Share Units $ 0 02/26/2021 M 1,000 ( 4 ) ( 4 ) ( 4 ) Common Stock 1,000 $ 0 2,000 ( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MASTIONI MARCELLO C/O ALTISOURCE PORTFOLIO SOLUTIONS S.A. 40, AVENUE MONTEREY LUXEMBOURG CITY, N4L-2163 Chief Operating Officer Signatures /s/ Teresa L. Szupello, Attorney-in-Fact 03/02/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Of the 3,560 restricted share units ("RSUs") vesting into shares reported above, 49 shares were foregone to pay for the tax withholding with a net issuance to Mr. Mastioni of 3,558 shares. Pursuant to the terms of the award agreement, the price per share used to determine the tax withholdings was the opening price of ASPS common stock on February 26, 2021. ( 2 )3,560 shares of ASPS common stock were received upon the vesting of previously granted RSUs pursuant to an award under the 2009 Equity Incentive Plan, as amended and the 2019 Annual Incentive Plan. ( 3 )Represents the vesting of RSUs. The remaining 2,559 RSUs are expected to vest on June 30, 2021, pursuant to the terms of the equity award agreement, following the previously announced departure of Mr. Mastioni from the Company on May 30, 2021. Each RSU represents a contingent right to receive one share of ASPS common stock. ( 4 )Represents the vesting of RSUs. 1,000 RSUs are expected to vest on June 30, 2021, pursuant to the terms of the equity award agreement, following the previously announced departure of Mr. Mastioni from the Company on May 30, 2021, and the remaining RSUs are to be forfeited. Each RSU represents a contingent right to receive one share of ASPS common stock.

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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