Sec Form 3 Filing - Harris Matthew C @ Flywire Corp - 2021-05-25

FORM 3 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 Harris Matthew C 2. Issuer Name and Ticker or Trading Symbol Flywire Corp [ FLYW] 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) C/O BAIN CAPITAL VENTURE INVESTORS, LLC, 200 CLARENDON STREET 3. Date of Earliest Transaction (MM/DD/YY) 05/25/2021 (Street) BOSTON, MA02116 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 Class A Common Stock ( 1 ) 6,312,366 I See footnotes ( 5 ) ( 6 )

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 Series A Preferred Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock ( 1 ) 554,376 I See footnotes ( 5 ) ( 6 ) Series B Preferred Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock ( 1 ) 1,540,935 I See footnotes ( 5 ) ( 6 ) Series B-1 Preferred Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock ( 1 ) 166,437 I See footnotes ( 5 ) ( 6 ) Series C Preferred Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock ( 1 ) 7,700,250 I See footnotes ( 5 ) ( 6 ) Warrants (Right to Buy) $ 0.17 ( 3 ) ( 3 ) Class A Common Stock ( 1 ) 75,000 I See footnotes ( 5 ) ( 6 ) Warrants (Right to Buy) $ 1.48 ( 4 ) ( 4 ) Series C Preferred Stock ( 2 ) 190,500 I See footnotes ( 5 ) ( 6 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Harris Matthew C C/O BAIN CAPITAL VENTURE INVESTORS, LLC 200 CLARENDON STREET BOSTON, MA02116 X X Signatures /s/ Matthew C. Harris 05/25/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately prior to the closing of the Issuer's initial public offering, each share of Class A Common Stock will be reclassified into one share of Voting Common Stock. ( 2 )Each share of the Issuer's Series A, Series B, Series B-1 and Series C Preferred Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis at the holder's election and will automatically convert immediately prior to the closing of the Issuer's initial public offering. These shares have no expiration date. ( 3 )Each warrant is exercisable by the holder in whole or in part at any time and from time to time on or before August 22, 2022 (the "Common Stock Warrant Expiration Date"). In the event that, upon the Common Stock Warrant Expiration Date, the fair market value of one share of the Issuer's Class A Common Stock is greater than the exercise price in effect on such date, then the warrant will be automatically exercised on a cashless basis. ( 4 )Each warrant is exercisable by the holder in whole or in part at any time and from time to time on or before January 15, 2025 (the "Preferred Stock Warrant Expiration Date"). In the event that, upon the Preferred Stock Warrant Expiration Date, the fair market value of one share of the Issuer's Series C Preferred Stock is greater than the exercise price in effect on such date, then the warrant will be automatically exercised on a cashless basis. Immediately prior to the closing of the Issuer's initial public offering, each warrant will automatically become a warrant to acquire an equivalent number of shares of the Issuer's Voting Common Stock at an exercise price of $1.48 per share. ( 5 )Consists of securities held by Bain Capital Venture Fund 2014, L.P. ("Venture Fund 2014"), Bain Capital Venture Fund 2016, L.P. ("Venture Fund 2016"), Bain Capital Venture Coinvestment Fund II, L.P. ("Venture Coinvestment Fund II"), BCV 2019-MD Coinvestment II, L.P. ("2019-MD Coinvestment II"), BCIP Venture Associates ("BCIP Venture"), BCIP Venture Associates-B ("BCIP Venture-B"), BCIP Venture Associates II, LP ("BCIP Venture II") and BCIP Venture Associates II-B, LP ("BCIP Venture II-B" and, together with Venture Fund 2014, Venture Fund 2016, Venture Coinvestment Fund II, 2019-MD Coinvestment II, BCIP Venture, BCIP Venture-B and BCIP Venture II, the "Bain Capital Venture Entities"). ( 6 )Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of Venture Fund 2014, Venture Fund 2016, Venture Coinvestment Fund II and 2019-MD Coinvestment II and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture, BCIP Venture-B, BCIP Venture II and BCIP Venture II-B. Mr. Harris is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Harris may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Harris disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

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

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