Kurt Busch - 25 Feb 2026 Form 4 Insider Report for MOBIX LABS, INC (MOBX)

Reporting relationship: Director
Issuer ticker: MOBX
Reported as of: 25 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 May 2026, 21:37:01 UTC
Prior SEC filing: 28 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Terri Aprati, Attorney-in-Fact

Key filing fact

Kurt Busch filed Form 4 for MOBIX LABS, INC (MOBX) on 04 May 2026.

Key facts

This page summarizes Kurt Busch's Form 4 filing for MOBIX LABS, INC (MOBX).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 04 May 2026, 21:37.

Change

Previous filing in this sequence was filed on 28 Nov 2025.
Current net transaction value: $0.

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 0001528759 Primary reporting owner

Busch Kurt

Relationship: Director
Address: C/O MOBIX LABS, INC., 1 VENTURE, SUITE 220, IRVINE
Signature: /s/ Terri Aprati, Attorney-in-Fact
Signature date: 04 May 2026

Reported non-derivative transactions

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

MOBX transaction

Class A Common Stock

Award

Transaction value
Shares: +14,805
Change %: +36%
Price: $0.000000^*
Shares after: 55,961
Date: 25 Feb 2026
Ownership: Direct
Footnotes: F1, F2

MOBX transaction

Class A Common Stock

Award

Transaction value
Shares: +5,000
Change %: +8.9%
Price: $0.000000^*
Shares after: 60,961
Date: 30 Mar 2026
Ownership: Direct

Reported derivative securities

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

MOBX holding Derivative

Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,000
Date: 25 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 2,000
Exercise price: $41.80
Footnotes: F3

MOBX holding Derivative

Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,341
Date: 25 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 13,341
Exercise price: $68.40
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These Restricted Stock Units ("RSUs") were granted to the Reporting Person on February 25, 2026 and vested on April 1, 2026.

Footnote F2

The number of shares beneficially owned by the Reporting Person has been adjusted to account for rounding as a result of a 1-for-10 reverse stock split effected by the Issuer on April 6, 2026.

Footnote F3

These options are fully vested and exercisable.

SEC remarks

The share amounts reported in Tables I and II and the exercise prices of the options in Table II have been adjusted to reflect a 1-for-10 reverse stock split effected by the Issuer on April 6, 2026.