Mobix Labs insider filing: 46,855 RSUs granted; 153,416 vested options disclosed

Rhea-AI Filing Summary

Mobix Labs insider report: Director David J. Aldrich received 46,855 Restricted Stock Units on September 23, 2025 that will vest on October 1, 2025, and acquired the RSUs at no cash cost. Following that grant, he beneficially owns 289,744 shares of Class A common stock.

Derivative holdings: The filing discloses two fully vested, exercisable stock options: 20,000 options with a $4.18 exercise price (expiring 08/10/2030) and 133,416 options with a $6.84 exercise price (expiring 04/04/2032). The form was signed by an attorney-in-fact on September 25, 2025.

Positive

• 46,855 RSUs granted to the reporting director, vesting on October 1, 2025.
• Options are fully vested and exercisable: 20,000 at $4.18 (exp 08/10/2030) and 133,416 at $6.84 (exp 04/04/2032).
• Beneficial ownership disclosed: Reporting person beneficially owns 289,744 Class A shares after the grant.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director received equity grant and holds significant vested option position, aligning ownership with shareholders.

The form records a director-level equity grant of 46,855 RSUs vesting shortly after grant, which increases the director's share ownership to 289,744 Class A shares. Such a near-term RSU vesting schedule is explicit and increases immediate beneficial ownership. The disclosure also confirms sizeable, fully exercisable option positions across two strikes, which could be exercised subject to strategic or tax considerations. All items are routine Section 16 reporting of insider grants and holdings.

Securities Analyst

TL;DR: Insider equity granted and large vested options are material to ownership but represent routine insider compensation.

The statement lists a 46,855 RSU grant at $0.00 cost and two sets of vested options totaling 153,416 options. The post-transaction beneficial ownership figure (289,744 shares) is disclosed clearly. For investors, these numbers quantify insider stake and potential dilution if options are exercised; the filing contains no sales or dispositions. The filing is a standard Form 4 disclosure without indications of triggered liquidity events.

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^*

ALDRICH DAVID J

(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	289,744	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 and will vest on October 1, 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 did MOBX director David Aldrich receive according to the Form 4?

The Form 4 shows he was granted 46,855 Restricted Stock Units on 09/23/2025 that vest on 10/01/2025.

How many shares does David Aldrich beneficially own after the reported transaction for MOBX?

The filing reports he beneficially owns 289,744 shares of Class A common stock following the RSU grant.

What vested options does the Form 4 disclose for MOBX insider holdings?

Two fully vested option grants are disclosed: 20,000 options at $4.18 (expire 08/10/2030) and 133,416 options at $6.84 (expire 04/04/2032).

Did the Form 4 report any stock sales or dispositions by the insider (MOBX)?

No. The Form 4 reports only an RSU grant and existing vested options; there are no disposals or sales reported.

When was the Form 4 for MOBX signed and by whom?

The filing was signed on 09/25/2025 by Terri Aprati as Attorney-in-Fact for the reporting person.