INDI · indie Semiconductor, Inc.

Represents shares of Class A Common Stock sold in the open market.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to fifty percent (50%) of the total number of restricted stock units on July 1, 2027 and 2028.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on January 4, 2027, July 1, 2027, January 3, 2028, and on July 3, 2028.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to fifty percent (50%) of the total number of restricted stock units on July 1, 2027 and 2028.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to fifty percent (50%) of the total number of restricted stock units on July 1, 2027 and 2028.

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.

The sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 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 March 31, 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 $4.42 to $4.84, 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 sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 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 March 31, 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 $4.42 to $4.84, 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 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 to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

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 $4.19 to $4.67, 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.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to fifty percent (50%) of the total number of restricted stock units on July 1, 2026 and 2027.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

Such restricted stock units vest at the rate of 25% annually beginning July 1, 2023.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

Such restricted stock units vest at the rate of 25% on January 2, 2026, July 1, 2026, January 4, 2027, and July 1, 2027.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

Such restricted stock units vest at the rate of 25% on January 2, 2026, July 1, 2026, January 4, 2027, and July 1, 2027.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

Such restricted stock units vest at the rate of 50% annually beginning on July 1, 2025.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The time-based restricted stock units shall vest and become nonforfeitable with respect to fifty percent (50%) of the total number of restricted stock units on July 1, 2026 and 2027.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

Such restricted stock units vest at the rate of 25% annually beginning on July 1, 2024.

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

N/A

The sales made in this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 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 and prices through June 30, 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 $4.09 to $4.38, 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.

Cancellation of Class V Common Stock upon Reporting Person's exchange of ADK Class A Units for an equal number of shares of Class A Common Stock. See note 2.

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

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 $4.80 to $4.825, 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.

Cancellation of Class V Common Stock upon Reporting Person's exchange of ADK Class A Units for an equal number of shares of Class A Common Stock. See note 3.

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 $5.07 to $5.29, 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.

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

Cancellation of Class V Common Stock upon Reporting Person's exchange of ADK Class A Units for an equal number of shares of Class A Common Stock. See note 3.

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 to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

N/A

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

N/A

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.

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.

The sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 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 March 31, 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 $4.94 to $5.29, 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.

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 $5.095 to $5.20, 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 sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 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 March 31, 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 $4.94 to $5.29, 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.

Class A Common Stock received upon conversion of ADK Class A Units. The ADK Class A Units may be exchanged by the Reporting Person at any time after December 10, 2021 for an equal amount of shares of Class A Common Stock or, at the election of the Issuer, cash equal to the fair market value of such shares. Upon the Reporting Person's exchange of an ADK Class A Unit for Class A Common Stock, an equivalent number of shares of Class V Common Stock will be cancelled.

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.

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.

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 quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director 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 quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.

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.

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 quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director 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 quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.