[Form 4] MOBIX LABS, INC Insider Trading Activity

Rhea-AI Filing Summary

Bill Carpou, a director of MOBIX LABS, INC. (MOBX), reported equity changes dated 09/23/2025. The filing shows a grant of 46,855 Restricted Stock Units (RSUs) to the reporting person, increasing his direct beneficial ownership to 299,022 Class A common shares after the transaction. The report also discloses two fully vested stock options: one with an exercise price of $4.18 covering 20,000 shares (expiring 08/10/2030) and another with an exercise price of $6.84 covering 133,416 shares (expiring 04/04/2032). The form was signed on behalf of the reporting person by an attorney-in-fact on 09/25/2025.

Positive

• Grant of 46,855 RSUs to the reporting director is explicitly disclosed
• Beneficial ownership of 299,022 Class A shares reported following the RSU grant
• Two option series totaling 153,416 underlying shares are fully vested and exercisable with stated exercise prices and expiration dates

Negative

• None.

Insights

Securities Analyst

Insider received RSUs and holds fully vested options, increasing direct stake.

The Form 4 documents a non-cash grant of 46,855 RSUs and confirms existing options are fully exercisable, showing potential near- and long-term dilution if exercised. The reporting person’s direct beneficial ownership is reported at 299,022 Class A shares after the RSU grant, providing a clear snapshot of insider holdings. Transaction and instrument details are explicit, with exercise prices and expiration dates noted for both option series.

Corporate Governance Expert

Routine insider compensation disclosure; no regulatory issues disclosed.

The filing is a standard Section 16 disclosure reflecting equity compensation to a director. It itemizes RSUs and fully vested options with specified exercise prices and expiration dates. There are no amendments, divestitures, or atypical transaction codes reported that would suggest unusual activity. Signature was provided by an attorney-in-fact, as often seen in such filings.

SEC Form 4

FORM 4

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
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).

1. Name and Address of Reporting Person^*

Carpou Bill

(Last) (First) (Middle)

C/O MOBIX LABS, INC.

1 VENTURE, SUITE 220

(Street)

IRVINE CA 92618

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MOBIX LABS, INC [ MOBX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	09/23/2025		A		46,855(1)	A	$0.00	299,022	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 (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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (Right to Buy)	$4.18							(2)	08/10/2030	Class A Common Stock	20,000		20,000	D
Option (Right to Buy)	$6.84							(2)	04/04/2032	Class A Common Stock	133,416		133,416	D

Explanation of Responses:

1. These Restricted Stock Units ("RSUs") were granted to the Reporting Person on September 23, 2025.

2. These options are fully vested and exercisable.

	/s/ Terri Aprati, Attorney-in-Fact	09/25/2025
	** Signature of Reporting Person	Date
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.

FAQ

What change did Bill Carpou report on Form 4 for MOBX?

The Form 4 reports a grant of 46,855 RSUs on 09/23/2025 and confirms ownership of 299,022 Class A shares after the grant.

How many stock options does the filing show and are they exercisable?

The filing shows two option grants covering 20,000 and 133,416 shares respectively; both are stated as fully vested and exercisable.

What are the exercise prices and expirations for the options listed?

One option has an exercise price of $4.18 (expiration 08/10/2030) for 20,000 shares; the other is $6.84 (expiration 04/04/2032) for 133,416 shares.

Who signed the Form 4 and when?

The Form 4 was signed on behalf of the reporting person by Terri Aprati, Attorney-in-Fact on 09/25/2025.

Does the filing show any dispositions or sales by the reporting person?

No dispositions or sales are reported; the transaction code indicates an A (acquisition) for the RSUs and no disposals are listed.