Mobix Labs director granted 31,356 RSUs

MOBX director Michael J. Long received two zero-cost RSU grants vesting in late September and early October 2026.

Rhea-AI Filing Summary

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

MOBIX LABS, INC (MOBX) reported that director Michael J. Long received two equity compensation awards in the form of Restricted Stock Units for its Class A Common Stock on September 14, 2026. The awards cover 12,255 RSUs vesting on September 30, 2026 and 19,101 RSUs vesting on October 1, 2026, each granted at no cash cost to him. These awards are classified as direct beneficial ownership, and no Rule 10b5-1 trading plan is reported in connection with these transactions.

Insider Trade Summary

Grant/Award: 31,356 shares

Grant/Award 2 txns

Insider LONG MICHAEL 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

Holdings After Transaction: Class A Common Stock — 169,948 shares (Direct)

Footnotes (2)

1. F1. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and will vest on September 30, 2026.
2. F2. These Restricted Stock Units were granted to the Reporting Person on September 14, 2026 and will vest on October 1, 2026.

Key Figures

RSU grant 1 size: 12,255 shares RSU grant 2 size: 19,101 shares Total RSUs granted: 31,356 shares +1 more

4 metrics

RSU grant 1 size 12,255 shares Restricted Stock Units granted to Michael J. Long on September 14, 2026, vesting September 30, 2026

RSU grant 2 size 19,101 shares Restricted Stock Units granted to Michael J. Long on September 14, 2026, vesting October 1, 2026

Total RSUs granted 31,356 shares Sum of both RSU awards granted to the director on September 14, 2026

Grant price per share $0.00 Reported per-share price for both RSU awards to the director

Key Terms

Restricted Stock Units

1 terms

Restricted Stock Units financial

"These Restricted Stock Units were granted to the Reporting Person"

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.

FAQ

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

What insider transactions did MOBX director Michael J. Long report on this Form 4?

He reported two acquisitions of Class A Common Stock via Restricted Stock Units on September 14, 2026, consisting of 12,255 RSUs and 19,101 RSUs granted as equity compensation at no cash cost.

How many MOBX shares were covered by Michael J. Long’s new RSU grants?

The grants cover a total of 31,356 Restricted Stock Units, composed of 12,255 RSUs in one grant and 19,101 RSUs in the other, each representing shares of MOBIX LABS, INC Class A Common Stock upon vesting.

When do Michael J. Long’s new MOBX RSUs vest?

One RSU grant of 12,255 units will vest on September 30, 2026. The second RSU grant of 19,101 units will vest on October 1, 2026, as disclosed in the transaction footnotes.

Did Michael J. Long pay a purchase price for the MOBX RSU awards?

No. The reported per-share price for both grants is $0.00, indicating these are equity compensation awards rather than open-market purchases, consistent with the Form 4 description of the transactions as grants or awards.

Were Michael J. Long’s MOBX transactions under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that no Rule 10b5-1 plan is reported for these transactions, meaning they are disclosed simply as compensation-related RSU grants to the director.

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

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Available on EDGAR 09/22/2026 - 06:25 PM Accepted by SEC EDGAR 09/22/2026 - 06:24 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^*

LONG MICHAEL 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	150,847	D
Class A Common Stock	09/14/2026		A		19,101(2)	A	$0.00	169,948	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

Explanation of Responses:

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

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

	/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)