Brent Stringham - Sep 1, 2025 Form 4 Insider Report for LANTRONIX INC (LTRX)

Role
Chief Financial Officer
Signature
/s/ Brent Stringham
Stock symbol
LTRX
Transactions as of
Sep 1, 2025
Transactions value $
-$26,296
Form type
4
Date filed
9/3/2025, 08:16 PM
Previous filing
Jul 15, 2025
Next filing
Dec 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stringham Brent Michael Chief Financial Officer C/O LANTRONIX, INC, 48 DISCOVERY SUITE 250, IRVINE /s/ Brent Stringham 2025-09-03 0002038019

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LTRX Common Stock Options Exercise $0 +313 +0.41% $0.00 76.2K Sep 1, 2025 Direct F1
transaction LTRX Common Stock Options Exercise $0 +375 +0.49% $0.00 76.6K Sep 1, 2025 Direct F2
transaction LTRX Common Stock Options Exercise $0 +667 +0.87% $0.00 77.3K Sep 1, 2025 Direct F3
transaction LTRX Common Stock Options Exercise $0 +550 +0.71% $0.00 77.8K Sep 1, 2025 Direct F4
transaction LTRX Common Stock Options Exercise $0 +12.9K +16.56% $0.00 90.7K Sep 1, 2025 Direct F5
transaction LTRX Common Stock Tax liability -$26.3K -5.29K -5.83% $4.97 85.4K Sep 1, 2025 Direct F6

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 -313 -100% $0.00 0 Sep 1, 2025 Common Stock 313 Direct F1
transaction LTRX Restricted Stock Units Options Exercise $0 -375 -50% $0.00 375 Sep 1, 2025 Common Stock 375 Direct F2
transaction LTRX Restricted Stock Units Options Exercise $0 -667 -100% $0.00 0 Sep 1, 2025 Common Stock 667 Direct F3
transaction LTRX Restricted Stock Units Options Exercise $0 -550 -19.99% $0.00 2.2K Sep 1, 2025 Common Stock 550 Direct F4
transaction LTRX Restricted Stock Units Options Exercise $0 -12.9K -33.33% $0.00 25.8K Sep 1, 2025 Common Stock 12.9K Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents outstanding restricted stock units ("RSUs") granted on September 13, 2021. The remaining unvested shares subject to the RSUs vest ratably in equal quarterly installments through September 1, 2025. Each RSU represents the right to receive one share of the issuer's common stock.
F2 Represents outstanding RSUs granted on January 2, 2022. The remaining unvested shares subject to the RSUs vest ratably in equal quarterly installments through December 1, 2025. Each RSU represents the right to receive one share of the issuer's common stock.
F3 Represents outstanding RSUs granted on September 1, 2022. The remaining unvested shares subject to the RSUs vest ratably in equal quarterly installments through September 1, 2025. Each RSU represents the right to receive one share of the issuer's common stock.
F4 Represents outstanding RSUs granted on October 3, 2023. The remaining unvested shares subject to the RSUs vest ratably in equal quarterly installments through September 1, 2026. Each RSU represents the right to receive one share of the issuer's common stock.
F5 Represents outstanding RSUs granted on October 1, 2024. The RSUs shall vest such that one-third (1/3) of the shares vest on September 1, 2025 and the remaining two-thirds (2/3) of the total number of shares vest quarterly thereafter beginning on December 1, 2025, such that one hundred percent (100%) of the RSUs will be fully vested on September 1, 2027. Each RSU represents the right to receive one share of the issuer's common stock.
F6 In accordance with the terms of the applicable RSU award agreements, 5,291 shares of Lantronix, Inc. common stock were withheld at vesting to cover required tax withholding.