Mobix Labs director awarded 12,255 and 19,101 RSUs

MOBX director David J. Aldrich received short-term vesting RSU grants and reports fully vested stock options with long-dated expirations.

Rhea-AI Filing Summary

MOBIX LABS, INC (symbol: MOBX) is the issuer of record for a Form 4 filing submitted to the SEC. ALDRICH DAVID J reported acquisition or exercise transactions in this Form 4 filing.

MOBIX LABS, INC (MOBX) director David J. Aldrich reported equity awards consisting of 12,255 and 19,101 Restricted Stock Units granted on September 14, 2026, which vest on September 30, 2026 and October 1, 2026, respectively. He also holds fully vested options to buy 2,000 shares at $41.80 per share expiring August 10, 2030 and 13,341 shares at $68.40 per share expiring April 4, 2032. The filing indicates these transactions were not made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Grant/Award: 31,356 shares

Grant/Award 4 txns

Insider ALDRICH DAVID J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1	12,255	$0.00	$0.00
Grant/Award	Class A Common Stock F2	19,101	$0.00	$0.00
holding	Option (Right to Buy) F3	--	--	--
holding	Option (Right to Buy) F3	--	--	--

Holdings After Transaction: Class A Common Stock — 97,709 shares (Direct); Option (Right to Buy) — 15,341 contracts (Direct)

Footnotes (3)

1. F1. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and vest on September 30, 2026.
2. F2. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and vest on October 1, 2026.
3. F3. These options are fully vested and exercisable.

Key Figures

RSU grant size 1: 12,255 units of Class A Common Stock RSU grant size 2: 19,101 units of Class A Common Stock Option position 1 underlying shares: 2,000 shares +3 more

6 metrics

RSU grant size 1 12,255 units of Class A Common Stock Restricted Stock Units granted on September 14, 2026, vesting September 30, 2026

RSU grant size 2 19,101 units of Class A Common Stock Restricted Stock Units granted on September 14, 2026, vesting October 1, 2026

Option position 1 underlying shares 2,000 shares Fully vested option to buy Class A Common Stock at $41.80 per share expiring August 10, 2030

Option position 1 exercise price $41.80 per share Exercise price on option for 2,000 underlying shares expiring August 10, 2030

Option position 2 underlying shares 13,341 shares Fully vested option to buy Class A Common Stock at $68.40 per share expiring April 4, 2032

Option position 2 exercise price $68.40 per share Exercise price on option for 13,341 underlying shares expiring April 4, 2032

Key Terms

Restricted Stock Units, fully vested and exercisable, Reporting Person

3 terms

Restricted Stock Units financial

"These Restricted Stock Units were granted to the Reporting Person on September 14, 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.

fully vested and exercisable financial

"These options are fully vested and exercisable"

Reporting Person regulatory

"These Restricted Stock Units were granted to the Reporting Person on September 14, 2026"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did MOBX director David J. Aldrich report on this Form 4?

David J. Aldrich reported two Restricted Stock Unit grants of 12,255 and 19,101 units of MOBIX LABS, INC Class A Common Stock, both granted on September 14, 2026 with near-term vesting dates.

When do the new RSUs for MOBX granted to David J. Aldrich vest?

The 12,255 Restricted Stock Units vest on September 30, 2026, and the 19,101 Restricted Stock Units vest on October 1, 2026, according to the grant footnotes.

What stock options in MOBX does David J. Aldrich report holding?

He reports fully vested options to buy 2,000 shares of Class A Common Stock at $41.80 per share expiring August 10, 2030, and options on 13,341 shares at $68.40 per share expiring April 4, 2032.

Are David J. Aldrich’s MOBX transactions under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that the transactions were not made pursuant to a Rule 10b5-1 trading plan, meaning they are not reported as pre-arranged under such a plan.

What type of MOBX security is involved in the RSU grants to David J. Aldrich?

The Restricted Stock Units relate to MOBIX LABS, INC Class A Common Stock, as stated in the Form 4 transactions.

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

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Available on EDGAR 09/22/2026 - 06:19 PM Accepted by SEC EDGAR 09/22/2026 - 06:18 PM Learn about SEC filing dates

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).

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^*

ALDRICH DAVID J

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/14/2026

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

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	09/14/2026		A		12,255(1)	A	$0.00	78,608	D
Class A Common Stock	09/14/2026		A		19,101(2)	A	$0.00	97,709	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)	$41.8							(3)	08/10/2030	Class A Common Stock	2,000		2,000	D
Option (Right to Buy)	$68.4							(3)	04/04/2032	Class A Common Stock	13,341		13,341	D

Explanation of Responses:

1. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and vest on September 30, 2026.

2. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and vest on October 1, 2026.

3. These options are fully vested and exercisable.

	/s/ Terri Aprati, Attorney-in-Fact	09/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)