STOCK TITAN

indie Semiconductor COO sells 40,625 shares at $3.59

INDI’s COO exercised 37,500 RSUs and sold 40,625 shares under a pre-arranged Rule 10b5-1 trading plan, partly to cover tax withholding.

(Neutral)
(Negative)
Form Type
4

Rhea-AI Filing Summary

indie Semiconductor, Inc. (INDI) reported that Chief Operating Officer Michael Wittmann exercised and vested equity and sold shares in early September 2026. On September 1, he converted 37,500 Restricted Stock Units into 37,500 shares of Class A Common Stock at a price of $0 per share, leaving 75,000 RSUs outstanding. On September 2, he sold a total of 40,625 shares of Class A Common Stock at a weighted average price of $3.5863 per share, with some shares sold in the open market to pay withholding taxes related to the RSU vesting. The sales were made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024 and modified on May 26, 2025, which provides for automated open-market sales through March 31, 2027.

Positive

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Negative

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Insider Wittmann Michael
Role Chief Operating Officer
Sold 40,625 shs ($146K)
Approx. gross sale proceeds $146K
Type Security Shares Price Value
Sale Class A Common Stock F1, F2, F3 22,181 $3.5863 $80K
Sale Class A Common Stock F2, F3 18,444 $3.5863 $66K
Exercise Restricted Stock Units F4, F5 37,500 $0.00 $0.00
Exercise Class A Common Stock 37,500 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 75,000 contracts (Direct); Class A Common Stock — 115,922 shares (Direct)
Footnotes (5)
  1. 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.
  2. F2. 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.
  3. 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 $3.485 to $3.65, 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.
  4. F4. Each Restricted Stock Unit represents a contingent right to receive one share of Class A Common Stock.
  5. F5. The time-based Restricted Stock Units shall vest and become nonforfeitable over two years in quarterly equal installments starting on June 1, 2025 through March 1, 2027.
Shares sold (first tranche) 22,181 shares Class A Common Stock sold on September 2, 2026
Shares sold (second tranche) 18,444 shares Class A Common Stock sold on September 2, 2026
Total shares sold 40,625 shares Aggregate Class A Common Stock sales on September 2, 2026
Weighted average sale price $3.5863 per share Sales of Class A Common Stock on September 2, 2026
Sale price range $3.485–$3.65 per share Price range for the September 2, 2026 share sales
RSUs converted to shares 37,500 RSUs / 37,500 shares RSUs converted into Class A Common Stock on September 1, 2026 at $0 per share
RSUs outstanding after transaction 75,000 RSUs Time-based Restricted Stock Units remaining after September 1, 2026 event
10b5-1 plan end date March 31, 2027 End of period for automated open-market sales under the trading plan
Rule 10b5-1 trading plan regulatory
"The sales were made pursuant to a Rule 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Restricted Stock Unit financial
"Each Restricted Stock Unit represents a contingent right to receive"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
withholding taxes financial
"sold in the open market to pay for withholding taxes in connection"
Withholding taxes are amounts a payer or government takes out of payments — such as wages, interest, or dividends — before the recipient gets the money, functioning like a cashier keeping part of a bill to pay taxes on your behalf. For investors this matters because it reduces the cash they actually receive, affects net returns and yield calculations, and may require additional paperwork or treaty claims to recover or offset the withheld amount against final tax bills.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
time-based Restricted Stock Units financial
"The time-based Restricted Stock Units shall vest and become"
Time-based restricted stock units are a form of employee compensation where individuals are granted company shares that are earned over a set period, often as a reward for staying with the company. These shares typically become fully owned and transferable only after passing specific time milestones, encouraging long-term commitment. For investors, they highlight a company's focus on employee retention and can influence future stock supply and company stability.

FAQ

What insider transactions did INDI’s COO report on this Form 4?

Michael Wittmann reported exercising 37,500 Restricted Stock Units into 37,500 Class A shares on September 1, 2026, and selling a total of 40,625 Class A shares on September 2, 2026, at a weighted average price of $3.5863 per share.

How many indie Semiconductor (INDI) shares did the COO sell and at what price?

He sold 40,625 shares of INDI Class A Common Stock on September 2, 2026, at a weighted average price of $3.5863 per share, with individual sale prices ranging from $3.485 to $3.65 per share.

Were the INDI insider sales made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were made under a Rule 10b5-1 trading plan adopted on March 15, 2024 and modified on May 26, 2025, providing for automated open-market sales of Class A Common Stock through March 31, 2027.

Why were some of the INDI shares sold by the COO on September 2, 2026?

The filing notes that certain shares of Class A Common Stock were sold in the open market to pay withholding taxes in connection with the vesting of Restricted Stock Units held by the COO.

What RSU position does the INDI COO report after the September 1, 2026 transaction?

After the September 1, 2026 RSU conversion event, the COO reports holding 75,000 Restricted Stock Units, each representing a contingent right to receive one share of Class A Common Stock, vesting in quarterly installments through March 1, 2027.

What is the vesting schedule for the INDI COO’s time-based RSUs?

Time-based RSUs vest and become nonforfeitable over two years in quarterly equal installments, starting on June 1, 2025 and continuing through March 1, 2027, according to the filing’s footnote.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Wittmann Michael

(Last)(First)(Middle)
C/O INDIE SEMICONDUCTOR, INC.
32 JOURNEY

(Street)
ALISO VIEJO CALIFORNIA 92656

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
indie Semiconductor, Inc. [ INDI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Operating Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)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)
CodeVAmount(A) or (D)Price
Class A Common Stock09/01/2026M37,500A$0156,547D
Class A Common Stock09/02/2026S(1)(2)22,181D$3.5863(3)134,366D
Class A Common Stock09/02/2026S(2)18,444D$3.5863(3)115,922D
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 (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)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 (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(4)09/01/2026M37,500 (5) (5)Class A Common Stock262,500$075,000D
Explanation of Responses:
1. 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.
2. 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.
3. 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 $3.485 to $3.65, 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.
4. Each Restricted Stock Unit represents a contingent right to receive one share of Class A Common Stock.
5. The time-based Restricted Stock Units shall vest and become nonforfeitable over two years in quarterly equal installments starting on June 1, 2025 through March 1, 2027.
/s/ Michael Wittmann, by Naixi Wu pursuant to power of attorney filed on January 22, 202409/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)