Naixi Wu - 18 Sep 2026 Form 4 Insider Report for indie Semiconductor, Inc. (INDI)

Reporting relationship: Chief Financial Officer
Issuer ticker: INDI
Reported as of: 18 Sep 2026
Net transaction value: -$11,937
SEC form: 4
Accepted by SEC: 22 Sep 2026, 20:00:04 UTC
Prior SEC filing: 03 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Naixi Wu by Chang Eui Kim pursuant to power of attorney filed on October 30, 2025

Key filing fact

Naixi Wu filed Form 4 for indie Semiconductor, Inc. (INDI) on 22 Sep 2026.

Key facts

This page summarizes Naixi Wu's Form 4 filing for indie Semiconductor, Inc. (INDI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 22 Sep 2026, 20:00.

Change

Previous filing in this sequence was filed on 03 Sep 2026.
Current net transaction value: -$11,937.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002095553 Primary reporting owner

Wu Naixi

Relationship: Chief Financial Officer
Address: 32 JOURNEY, ALISO VIEJO
Signature: /s/ Naixi Wu by Chang Eui Kim pursuant to power of attorney filed on October 30, 2025
Signature date: 22 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

INDI transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +7,500
Change %: +4.9%
Price: $0.000000^*
Shares after: 160,683
Date: 18 Sep 2026
Ownership: Direct

INDI transaction

Class A Common Stock

Sale

Transaction value: $11,937
Shares: -3,750
Change %: -2.3%
Price: $3.18
Shares after: 156,933
Date: 21 Sep 2026
Ownership: Direct
Footnotes: F1, F2, F3

INDI holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 90
Date: 18 Sep 2026
Ownership: by spouse

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

INDI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -7,500
Change %: -50%
Price: $0.000000^*
Shares after: 7,500
Date: 18 Sep 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 15,000
Exercise price
Footnotes: F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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 $3.10 to $3.22, 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.

Footnote F4

Each Restricted Stock Unit represents a contingent right to receive one share of Class A Common Stock.

Footnote F5

Such Restricted Stock Units vest at the rate of 25% annually beginning on September 18, 2024.