X0609 4 2026-06-01 0001841925 indie Semiconductor, Inc. INDI 0002095553 Wu Naixi false 32 JOURNEY ALISO VIEJO CA 92656 false true false false Chief Financial Officer true Class A Common Stock 2026-06-01 4 S false 6000 4.9438 D 114787 D Class A Common Stock 2026-06-01 4 M false 12898 0 A 127685 D Class A Common Stock 2026-06-02 4 S false 6246 5.1169 D 121439 D Class A Common Stock 2026-06-02 4 S false 6652 5.1169 D 114787 D Class A Common Stock 90 I by spouse Restricted Stock Units 2026-06-01 4 A false 12898 0 A Class A Common Stock 12898 12898 D Restricted Stock Units 2026-06-01 4 M false 12898 0 D Class A Common Stock 12898 0 D This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025. The Reporting Person's Rule 10b5-1 plan includes automated open market sales of the Issuer's Class A common stock on predetermined dates through December 15, 2027. 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 $4.86 to $5.14, 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. Represents 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. 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 restricted stock unit represents a contingent right to receive one share of Class A common stock. Represents Restricted Stock Units ("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. The number of underlying shares is equal to the amount of the forgone salary, divided by the closing trading price of INDI on the date of grant. /s/ Naixi Wu by Chang Eui Kim pursuant to power of attorney filed on October 30, 2025 2026-06-03