SCHEDULE 13G/A 0001140361-24-047490 0001657869 XXXXXXXX LIVE 1 Common Stock, $0.0001 par value per share 06/30/2025 0001538716 Oportun Financial Corp 68376D104 2 Circle Star Way San Carlos CA 94070 Rule 13d-1(c) McLaren Harbor, LLC DE 0 2426503 0 2426503 2426503 N 5.5 CO CL VI Ventures Offshore, L.P. E9 0 2426503 0 2426503 2426503 N 5.5 HC PN Castlelake VI GP, L.P. DE 0 2426503 0 2426503 2426503 N 5.5 HC PN CASTLELAKE L.P. DE 0 2426503 0 2426503 2426503 N 5.5 HC PN Rory O'Neill X1 0 2426503 0 2426503 2426503 N 5.5 IN HC Evan Carruthers X1 0 2426503 0 2426503 2426503 N 5.5 IN HC Oportun Financial Corp 2 Circle Star Way, San Carlos, California, 94070 This Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons"): i) McLaren Harbor, LLC, a Delaware limited liability company; ii) CL VI Ventures Offshore, L.P., a Cayman Islands limited partnership; iii) Castlelake VI GP, L.P., a Delaware limited partnership; iv) Castlelake, L.P., a Delaware limited partnership; v) Rory O'Neill, a citizen of the United States of America; and vi) Evan Carruthers, a citizen of the United States of America. The address of the principal business office of each Reporting Person is 250 Nicollet Mall Suite 900, Minneapolis, MN 55401. See response to Item 2(a) As of the date hereof, each of the Reporting Persons may be deemed the beneficial owner of 2,426,503 Shares, which are held directly by McLaren Harbor, LLC. As of the date hereof, each of the Reporting Persons may be deemed the beneficial owner of approximately 5.5% of Shares outstanding. (This percentage is calculated based on 44,009,399 Shares outstanding as of June 30, 2025, based on the Issuer's quarterly report on Form 10-Q filed with the SEC on August 7, 2025). 0 2,426,503 0 2,426,503 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 1 - Joint Filing Agreement McLaren Harbor, LLC /s/ William Stephen Venable Jr 08/14/2025 CL VI Ventures Offshore, L.P. /s/ William Stephen Venable Jr 08/14/2025 Castlelake VI GP, L.P. /s/ William Stephen Venable Jr 08/14/2025 CASTLELAKE L.P. /s/ William Stephen Venable Jr 08/14/2025 Rory O'Neill /s/ Rory O'Neill 08/14/2025 Evan Carruthers /s/ Evan Carruthers 08/14/2025