Sec Form 4 Filing - Wittmann Michael @ indie Semiconductor, Inc. - 2025-03-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Wittmann Michael 2. Issuer Name and Ticker or Trading Symbol indie Semiconductor, Inc. [ INDI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) C/O INDIE SEMICONDUCTOR, INC., 32 JOURNEY 3. Date of Earliest Transaction (MM/DD/YY) 03/06/2025 (Street) ALISO VIEJO, CA92656 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 03/06/2025 M 12,500 ( 1 ) A $ 0 55,582 D Class A Common Stock 03/06/2025 M 25,000 A $ 0 80,582 D Class A Common Stock 03/07/2025 S( 2 ) 4,504 D $ 2.9 76,078 D Class A Common Stock 03/07/2025 S( 2 ) 9,066 D $ 2.9 67,012 D Class A Common Stock 03/08/2025 M 21,750 A $ 0 88,762 D Class A Common Stock 03/10/2025 S( 2 )( 3 ) 8,114 D $ 2.81 ( 4 ) 80,648 D Class A Common Stock 03/10/2025 S( 3 ) 2,761 D $ 2.81 ( 4 ) 77,887 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Performance-based Restricted Stock Units ( 5 ) ( 6 ) 03/06/2025 A 25,000 ( 6 ) ( 6 ) Class A Common Stock 25,000 $ 0 25,000 D Performance-based Restricted Stock Units ( 1 ) ( 5 ) 03/06/2025 M 12,500 ( 6 ) ( 6 ) Class A Common Stock 12,500 $ 0 12,500 D Restricted Stock Units ( 5 ) 03/06/2025 M 25,000 ( 7 ) ( 7 ) Class A Common Stock 25,000 $ 0 75,000 D Restricted Stock Units $ 0 ( 5 ) 03/08/2025 M 21,750 ( 8 ) ( 8 ) Class A Common Stock 21,750 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Wittmann Michael C/O INDIE SEMICONDUCTOR, INC. 32 JOURNEY ALISO VIEJO, CA92656 Chief Operating Officer Signatures /s/ Michael Wittmann, by Naixi Wu pursuant to power of attorney filed on January 22, 2024 03/10/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Acquired upon achievement of certain predetermined performance criteria pursuant to a performance-based restricted stock units award (PSU Award) granted on January 3, 2023 (Award Date). TheCompensation Committee certified the achievement of the performance criteria on March 6, 2025. ( 2 )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. ( 3 )The sales made in this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024. The Reporting Person's Rule 10b5-1 plan includes automatedopen market sales of the Issuer's Class A common stock on predetermined dates through March 10, 2026. ( 4 )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 $2.68 to $2.96, inclusive. The ReportingPerson 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 ateach separate price within the price range set forth in this footnote. ( 5 )Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A common stock. ( 6 )Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certainpredetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stockreported herein vested on March 6, 2025, and the remaining 50% will vest on January 3, 2026. ( 7 )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 each of the first, second, third and fourth anniversaries of the grant date. ( 8 )Such restricted stock units will vest in installments of 21,750 on March 8, 2024 and 2025.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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