SCHEDULE 13G/A 0001026710 XXXXXXXX LIVE 4 Class A Common Stock, par value $0.0001 05/31/2025 0001841925 INDIE SEMICONDUCTOR, INC. 45569U101 32 JOURNEY ALISO VIEJO CA 92656 Rule 13d-1(b) Granahan Investment Management LLC MA 16412088.00 0.00 19584388.00 0.00 19584388.00 N 10.05 IA INDIE SEMICONDUCTOR, INC. 32 JOURNEY, ALISO VIEJO, CA, 92656 Granahan Investment Management LLC Wyman Street, Suite 460, Waltham, MA 02451 State of Massachusetts N IA 19584388 10.05% 16412088 0 19584388 0 Y N All of the Shares set forth in Item 4 are owned by various investment advisory clients of Granahan Investment Management LLC, which is deemed to be a beneficial owner of those shares pursuant to Rule 13d-3 under the Securities Exchange Act of 1934, due to its discretionary power to make investment decisions over such shares and/or its ability to vote such shares. N Not applicable N Not applicable N Not applicable N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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. Granahan Investment Management LLC /s/ Brian Granahan 06/11/2025 After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.