HOSHI PRINTER - 03 Nov 2025 Form 4 Insider Report for LANTRONIX INC (LTRX)

Role: Director
Signature: /s/ Brent Stringham, Attorney-in-fact for Hoshi Printer
Issuer symbol: LTRX
Transactions as of: 03 Nov 2025
Net transactions value: $0
Form type: 4
Filing time: 05 Nov 2025, 21:56:23 UTC
Previous filing: 14 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
PRINTER HOSHI	Director	C/O LANTRONIX, INC., 48 DISCOVERY, SUITE 250, IRVINE	/s/ Brent Stringham, Attorney-in-fact for Hoshi Printer	05 Nov 2025	0001198590

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LTRX	Common Stock	Options Exercise	$0	+9,800	+4.6%	$0.000000	221,024	03 Nov 2025	Direct	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	Restricted Stock Units	Options Exercise	$0	-9,800	-100%	$0.000000	0	03 Nov 2025	Common Stock	9,800		Direct	F2, F3
transaction	LTRX	Restricted Stock Units	Award	$0	+17,081		$0.000000	17,081	04 Nov 2025	Common Stock	17,081		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Represent shares of common stock issued upon the vesting of restricted stock units ("RSUs") granted on November 5, 2024 (the "Grant Date").
F2	RSUs convert into common stock on a one-for-one basis.
F3	The RSUs vest at the rate of one half (1/2) of the shares vesting six (6) months following the Grant Date and one half (1/2) of the shares vesting on the first anniversary of the Grant Date, such that the RSUs will be fully (100%) vested after one (1) year.