SCHEDULE 13G 0002099608 XXXXXXXX LIVE Common Stock, par value $0.0001 12/01/2025 0001114925 LANTRONIX INC 516548203 48 DISCOVERY, SUITE 250 IRVINE CA 92618 Rule 13d-1(c) TL Stiftung 2M 3000000.00 0.00 3000000.00 0.00 3000000.00 N 7.6 OO For Item 11: Percentage calculated based on 39,358,610 shares of Common Stock, par value $0.0001 per share, outstanding as of November 1, 2025, as reported in the Issuer's Form 10-Q for the quarterly period ended September 30, 2025. Michael Heiss 2M 3000000.00 0.00 3000000.00 0.00 3000000.00 N 7.6 IN For Items 5, 7 and 11: Mr. Heiss has sole voting and dispositive control over the shares of the Issuer's common stock held by TL Stiftung through his authority as Chairman of TL Stiftung, as exercised in accordance with the Articles of Incorporation of TL Stiftung. Percentage calculated based on 39,358,610 shares of Common Stock, par value $0.0001 per share, outstanding as of November 1, 2025, as reported in the Issuer's Form 10-Q for the quarterly period ended September 30, 2025. LANTRONIX INC 48 Discovery, Suite 250, Irvine, California 92618 The Statement is filed by TL Stiftung, a charitable foundation formed under the laws of Germany ("TL Stiftung") and Michael Heiss, as Chairman of TL Stiftung. Address of principal business office, or, if none residence: The principal office of each of TL Stiftung and Mr. Heiss is Biesingerstr 27 D-72070 Tuebingen, Germany. Stiftung is a charitable foundation formed under the laws of Germany and Michael Heiss us a citizen of Germany. Y The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99.1 Joint Filing Agreement, dated December 8, 2025, among the Reporting Persons. TL Stiftung /s/ Michael Heiss 12/08/2025 Michael Heiss /s/ Michael Heiss 12/08/2025