X0609 4 2026-09-01 0 0001580560 Flywire Corp FLYW 0001862130 Massaro Michael false C/O FLYWIRE CORPORATION 141 TREMONT STREET, SUITE 10 BOSTON MA 02111 1 1 0 0 Chief Executive Officer 1 Voting Common Stock 2026-09-01 4 F 0 39993 18.185 D 2513058 D Voting Common Stock 2026-09-01 4 S 0 112500 18.3883 D 2400558 D Voting Common Stock 192193 I See footnote Voting Common Stock 307548 I See footnote Represents the number of shares of common stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of certain time-based restricted stock unit awards and does not represent an open market sale. Shares were sold pursuant to a previously adopted Rule 10b5-1 trading plan. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.11 to $18.77, inclusive. The Reporting Person has provided to the Issuer and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The shares are held by the M Massaro Trust, of which the Reporting Person's spouse is a trustee. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of the Reporting Person's pecuniary interests therein, if any. The shares are held by the Michael P. Massaro 2021 Irrevocable Trust, of which the Reporting Person's spouse is a trustee. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of the Reporting Person's pecuniary interests therein, if any. /s/ Michael Massaro 2026-09-03