Lantronix (LTRX) director Hoshi Printer gains 8,540 shares from RSU vesting

Q: How many LANTRONIX INC (LTRX) shares does Hoshi Printer hold after this Form 4?

Following the reported transactions, Hoshi Printer holds 229,564 shares of common stock directly. In addition, Printer holds 8,541 restricted stock units , which represent a right to receive common shares in the future as they vest.

Q: What are the terms of Hoshi Printer’s LANTRONIX INC (LTRX) RSU grant?

The RSUs were granted on November 4, 2025 . They vest in two equal installments: one-half six months after the grant date and one-half on the first anniversary, so the award becomes 100% vested after one year , according to the footnotes.

Q: How do LANTRONIX INC (LTRX) RSUs convert into common stock for Hoshi Printer?

The restricted stock units convert into common stock on a one-for-one basis . On May 4, 2026, vesting of Hoshi Printer’s RSUs resulted in the issuance of 8,540 shares of common stock , matching the number of vested units.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Lantronix Inc. director Hoshi Printer reported the vesting of restricted stock units that converted into common stock. On May 4, 2026, 8,540 shares of common stock were issued upon the vesting of previously granted RSUs, which convert into common stock on a one-for-one basis.

After these transactions, Printer directly holds 229,564 shares of common stock and 8,541 RSUs, reflecting equity compensation rather than any open-market buying or selling activity.

Insider Trade Summary

8,540 shares exercised/converted

Mixed 2 txns

Insider PRINTER HOSHI

Role null

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	8,540	$0.00	--
Exercise	Common Stock	8,540	$0.00	--

Holdings After Transaction: Restricted Stock Units — 8,541 shares (Direct, null); Common Stock — 229,564 shares (Direct, null)

Footnotes (1)

Represent shares of common stock issued upon the vesting of restricted stock units ("RSUs") granted on November 4, 2025 (the "Grant Date"). RSUs convert into common stock on a one-for-one basis. 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.

Key Figures

Common shares acquired via RSU vesting: 8,540 shares Common shares held after transaction: 229,564 shares RSUs held after transaction: 8,541 RSUs +3 more

6 metrics

Common shares acquired via RSU vesting 8,540 shares Common stock issued on May 4, 2026 from RSU vesting

Common shares held after transaction 229,564 shares Direct common stock ownership following May 4, 2026 transactions

RSUs held after transaction 8,541 RSUs Restricted stock units remaining after vesting event

Transaction code M Exercise or conversion of derivative security on May 4, 2026

Exercise/convert shares total 8,540 shares transactionSummary exerciseShares for this Form 4

RSU grant date November 4, 2025 Grant date for RSUs that vested into common shares

Key Terms

Restricted Stock Units, RSUs, derivative exercise/conversion, Exercise or conversion of derivative security, +1 more

5 terms

Restricted Stock Units financial

"security_title: "Restricted Stock Units" and footnote describing RSUs"

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.

RSUs financial

"RSUs convert into common stock on a one-for-one basis."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

derivative exercise/conversion financial

"transaction_action: "derivative exercise/conversion" for the RSU transaction"

Exercise or conversion of derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

vesting financial

"Represent shares of common stock issued upon the vesting of restricted stock units"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

Form 4 Insider Transactions: What Each Field Means →

05/05/2026 - 04:56 PM

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^*

PRINTER HOSHI

(Last)

(First)

(Middle)

C/O LANTRONIX, INC.

48 DISCOVERY, SUITE 250

(Street)

IRVINE

CALIFORNIA

92618

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
LANTRONIX INC [ LTRX ]

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)
05/04/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/04/2026		M⁽¹⁾		8,540	A	$0	229,564	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾	05/04/2026		M		8,540		⁽³⁾	⁽³⁾	Common Stock	8,540	$0	8,541	D

Explanation of Responses:

1. Represent shares of common stock issued upon the vesting of restricted stock units ("RSUs") granted on November 4, 2025 (the "Grant Date").

2. RSUs convert into common stock on a one-for-one basis.

3. 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.

	/s/ Brent Stringham, Attorney-in-fact for Hoshi Printer	05/05/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did LANTRONIX INC (LTRX) report for Hoshi Printer?

LANTRONIX INC reported that director Hoshi Printer received 8,540 shares of common stock on May 4, 2026. These shares were issued upon the vesting of previously granted restricted stock units, rather than through open-market purchases or sales.

How many LANTRONIX INC (LTRX) shares does Hoshi Printer hold after this Form 4?

Following the reported transactions, Hoshi Printer holds 229,564 shares of common stock directly. In addition, Printer holds 8,541 restricted stock units, which represent a right to receive common shares in the future as they vest.

Were Hoshi Printer’s LANTRONIX INC (LTRX) transactions open-market buys or sells?

No open-market buys or sells were reported. The Form 4 shows a derivative exercise/conversion, where restricted stock units vested and converted into 8,540 common shares, categorized as an acquisition rather than market trading activity.

What are the terms of Hoshi Printer’s LANTRONIX INC (LTRX) RSU grant?

The RSUs were granted on November 4, 2025. They vest in two equal installments: one-half six months after the grant date and one-half on the first anniversary, so the award becomes 100% vested after one year, according to the footnotes.

How do LANTRONIX INC (LTRX) RSUs convert into common stock for Hoshi Printer?

The restricted stock units convert into common stock on a one-for-one basis. On May 4, 2026, vesting of Hoshi Printer’s RSUs resulted in the issuance of 8,540 shares of common stock, matching the number of vested units.