STOCK TITAN

Kurt Busch of Mobix Labs (NASDAQ: MOBX) receives 13,660-share stock grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Mobix Labs director Kurt Busch reported a new equity grant. He received 13,660 shares of Class A Common Stock as a grant or award at a price of $0.00 per share, increasing his direct holdings to 74,621 shares. Footnotes state these Restricted Stock Units were granted on June 30, 2026 and vested on July 1, 2026.

He also holds fully vested options to buy 13,341 shares at an exercise price of $68.40 per share expiring on April 4, 2032, and options to buy 2,000 shares at $41.80 per share expiring on August 10, 2030.

Positive

  • None.

Negative

  • None.
Insider Busch Kurt
Role null
Type Security Shares Price Value
Grant/Award Class A Common Stock 13,660 $0.00 --
holding Option (Right to Buy) -- -- --
holding Option (Right to Buy) -- -- --
Holdings After Transaction: Class A Common Stock — 74,621 shares (Direct, null); Option (Right to Buy) — 2,000 shares (Direct, null)
Footnotes (1)
  1. These Restricted Stock Units were granted to the Reporting Person on June 30, 2026 and vested on July 1, 2026. These options are fully vested and exercisable.
Equity grant 13,660 shares at $0.00 per share Class A Common Stock grant on June 30, 2026
Shares held after grant 74,621 shares Class A Common Stock directly held after transaction
Option strike price $68.40 per share Options on 13,341 underlying shares expiring April 4, 2032
Option strike price $41.80 per share Options on 2,000 underlying shares expiring August 10, 2030
Underlying option shares 13,341 shares Fully vested option position, Class A Common Stock
Underlying option shares 2,000 shares Additional option position, Class A Common Stock
Restricted Stock Units financial
"These Restricted Stock Units were granted to the Reporting Person on June 30, 2026 and vested on July 1, 2026."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Option (Right to Buy financial
"security_title: "Option (Right to Buy)" for derivative holdings linked to Class A Common Stock."
Class A Common Stock financial
"underlying_security_title: "Class A Common Stock" for options and non-derivative shares."
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
Grant, award, or other acquisition financial
"transaction_code_description: "Grant, award, or other acquisition" for the 13,660-share transaction."
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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).
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*
Busch Kurt

(Last)(First)(Middle)
C/O MOBIX LABS, INC.
1 VENTURE, SUITE 220

(Street)
IRVINE CALIFORNIA 92618

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
MOBIX LABS, INC [ MOBX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026
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 Stock06/30/2026A13,660(1)A$0.0074,621D
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
Option (Right to Buy)$41.8 (2)08/10/2030Class A Common Stock2,0002,000D
Option (Right to Buy)$68.4 (2)04/04/2032Class A Common Stock13,34113,341D
Explanation of Responses:
1. These Restricted Stock Units were granted to the Reporting Person on June 30, 2026 and vested on July 1, 2026.
2. These options are fully vested and exercisable.
/s/ Terri Aprati, Attorney-in-Fact07/02/2026
** 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)

FAQ

What insider transaction did MOBIX LABS (MOBX) director Kurt Busch report?

Kurt Busch reported receiving 13,660 shares of Class A Common Stock as a grant or award at $0.00 per share. This compensation-related acquisition increased his direct holdings to 74,621 shares, without any open-market buying or selling activity disclosed in this filing.

How many MOBIX LABS (MOBX) shares does Kurt Busch hold after this Form 4?

After the reported grant, Kurt Busch directly holds 74,621 shares of Mobix Labs Class A Common Stock. This reflects the addition of 13,660 granted shares at $0.00 per share, as disclosed in the Form 4 transaction details and related share balance information.

What are the terms of Kurt Busch’s MOBIX LABS (MOBX) stock options?

Kurt Busch holds fully vested options linked to 13,341 underlying shares at an exercise price of $68.40 expiring April 4, 2032, and options linked to 2,000 underlying shares at $41.80 expiring August 10, 2030, all referencing Class A Common Stock.

Were the MOBIX LABS (MOBX) Restricted Stock Units for Kurt Busch vested immediately?

The filing notes these Restricted Stock Units were granted to Kurt Busch on June 30, 2026 and vested on July 1, 2026. That means the award became fully vested one day after grant, according to the footnote describing the RSU vesting terms.

Does this MOBIX LABS (MOBX) Form 4 show any stock sales by Kurt Busch?

No stock sales are reported. The Form 4 shows a grant or award acquisition of 13,660 shares at $0.00 per share and identifies other entries as holdings and fully vested options, with no open-market sale transactions disclosed in the transaction summary.