X0508 4 2025-12-01 0 0001114925 LANTRONIX INC LTRX 0002038019 Stringham Brent Michael C/O LANTRONIX, INC 48 DISCOVERY SUITE 250 IRVINE CA 92618 0 1 0 0 Chief Financial Officer 0 Common Stock 2025-12-01 4 M 0 375 0 A 85815 D Common Stock 2025-12-01 4 M 0 550 0 A 86365 D Common Stock 2025-12-01 4 M 0 3223 0 A 89588 D Common Stock 2025-12-01 4 F 0 1483 5.21 D 88105 D Restricted Stock Units 2025-12-01 4 M 0 375 0 D Common Stock 375 0 D Restricted Stock Units 2025-12-01 4 M 0 550 0 D Common Stock 550 1651 D Restricted Stock Units 2025-12-01 4 M 0 3223 0 D Common Stock 3223 22563 D 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. 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. 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. In accordance with the terms of the applicable RSU award agreements, 1,483 shares of Lantronix, Inc. common stock were withheld at vesting to cover required tax withholding. /s/ Brent Stringham 2025-12-03