BERNHARD BRUSCHA - 07 Oct 2025 Form 4 Insider Report for LANTRONIX INC (LTRX)

Role: 10%+ Owner
Signature: /s/ Brent Stringham, Attorney-in-fact for Bernhard Bruscha
Issuer symbol: LTRX
Transactions as of: 07 Oct 2025
Net transactions value: +$89,250
Form type: 4
Filing time: 08 Oct 2025, 17:00:03 UTC
Previous filing: 08 Sep 2025
Next filing: 03 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
BRUSCHA BERNHARD	10%+ Owner	C/O LANTRONIX, INC., 48 DISCOVERY, SUITE 250, IRVINE	/s/ Brent Stringham, Attorney-in-fact for Bernhard Bruscha	08 Oct 2025	0001134246

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LTRX	Common Stock	Options Exercise	$89,250	+25,000	+16%	$3.57	181,454	07 Oct 2025	Direct
holding	LTRX	Common Stock						5,166,471	07 Oct 2025	By TL Investment GmbH	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	LTRX	Stock Option (Right to buy)	Options Exercise	$0	-25,000	-100%	$0.000000	0	07 Oct 2025	Common Stock	25,000	$3.57	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Bernhard Bruscha serves as managing director of TL Investment GmbH, a company formed under the laws of Germany and the direct owner of the subject securities.