X0508 4 2025-12-19 0001841925 indie Semiconductor, Inc. INDI 0002095553 Wu Naixi 32 JOURNEY ALISO VIEJO CA 92656 false true false false Chief Financial Officer false Class A Common Stock 2025-12-19 4 M false 6354 0 A 73896 D Class A Common Stock 2025-12-22 4 S false 3171 3.856 D 70725 D Class A Common Stock 2025-12-22 4 S false 3183 3.856 D 67542 D Class A Common Stock 90 I by spouse Restricted Stock Units 2025-12-19 4 A false 6354 0 A Class A Common Stock 6354 6354 D Restricted Stock Units 2025-12-19 4 M false 6354 0 D Class A Common Stock 6354 0 D Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units ("RSUs"). Represents shares of Class A common stock sold in the open market in accordance with a sell-all election made at the start of a program period of a voluntary equity compensation program as approved by the Board of Directors in June 2023. This election was made during an open trading window while Ms. Wu was not in possession of material non-public information. Each RSU represents a contingent right to receive one share of Class A common stock. Represents RSUs that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023. /s/ Naixi Wu by Chang Eui Kim pursuant to power of attorney filed on October 30, 2025 2025-12-23