X0508 4 2025-12-01 0001580560 Flywire Corp FLYW 0001862130 Massaro Michael C/O FLYWIRE CORPORATION 141 TREMONT STREET, SUITE 10 BOSTON MA 02111 true true false false Chief Executive Officer false Voting Common Stock 2025-12-01 4 F false 26514 13.78 D 1838872 D Voting Common Stock 657236 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. The shares are held by the Meredith E. Massaro Revocable Trust dated November 1, 2017, 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 2025-12-03