X0508 4 2025-12-10 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 2025-12-10 4 M false 750 0 A 87928 D Class A Common Stock 2025-12-10 4 S false 10000 4.5277 D 77928 D Class A Common Stock 2025-12-11 4 S false 10000 4.4421 D 67928 D Class A Common Stock 2025-12-11 4 S false 386 4.39 D 67542 D Class A Common Stock 90 I by spouse Performance-based Restricted Stock Units 2025-12-10 4 M false 750 0 D Class A Common Stock 4500 3750 D Represents shares of Class A common stock sold in the open market. The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $4.52 to $4.545, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the price range set forth in this footnote. The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $4.435 to $4.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the price range set forth in this footnote. 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. Each restricted stock unit represents a contingent right to receive one share of Class A common stock. Such performance-based restricted stock units (PRSUs) shall be earned and become vested in increments of 12.5% upon the achievement of four independent operational performance goals, with the remaining PRSUs vesting in increments of 12.5% upon the anniversary of the achievement of each corresponding performance goal. /s/ Naixi Wu by Chang Eui Kim pursuant to power of attorney filed on October 30, 2025 2025-12-12