Page 1 of 5 ================================================================================ SEC 1745 Potential persons who are to respond to the collection of information (6-00) contained in this form are not required to respond unless the form displays a currently valid OMB control number. ================================================================================ ------------------------------- OMB APPROVAL ------------------------------- OMB Number: 3235-0145 Expires: October 31, 2002 Estimated average burden hours per response...... 14.50 ------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Lantronix, Inc. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock -------------------------------------------------------------------------------- (Title of Class of Securities) 516548 10 4 -------------------------------------------------------------------------------- (CUSIP Number) 12/31/01 -------------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [_] Rule 13d-1(b) [_] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). ---------------------- ------------------- CUSIP NO. 516548 10 4 SCHEDULE 13G PAGE 2 OF 5 ---------------------- ------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS. 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Johannes Rietschel ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Germany ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 2,244,882** ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY N/A ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 2,244,882** ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH N/A ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 2,244,882** ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS) [X] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11 4.3% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) 12 IN ------------------------------------------------------------------------------ Page 3 of 5 Item 1. (a) Name of Issuer: Lantronix, Inc. (b) Address of Issuer's Principal Executive Offices: 15353 Barranca Parkway, Irvine, CA 92618 Item 2. (a) Name of Person Filing: Johannes Rietschel (b) Address of Principal Business Office or, if none, Residence: 15353 Barranca Parkway, Irvine, CA 92618 (c) Citizenship: Germany (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 516548 10 4 Item 3. If this statement is filed pursuant to (S)(S)240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) [_] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [_] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [_] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [_] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [_] An investment advisor in accordance with (S)240.13d-1(b)(1) (ii)(E); (f) [_] An employee benefit plan or endowment fund in accordance with (S)240.13d-1(b)(1)(ii)(F); (g) [_] A parent holding company or control person in accordance with (S)240.13d-1(b)(1)(ii)(G); (h) [_] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [_] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [_] Group, in accordance with (S)240.13d-1(b)(1)(ii)(J). Item 4. Ownership Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owed: Johannes Rietschel: 2,244,882 shares** --------------------------------------------- (b) Percent of class: 4.3%, based on 52,462,089 outstanding shares of Common Stock of the Issuer as of December 31, 2001. ------------------------------------------------------------------ (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote Johannes Rietschel: 2,244,882 shares** ---------------------------------------- Page 4 of 5 (ii) Shared power to vote or to direct the vote N/A ---------------- (iii) Sole power to dispose or to direct the disposition of Johannes Rietschel: 2,244,882 shares** ---------------------------------------- (iv) Shared power to dispose or to direct the disposition of N/A --- ** Includes 26,390 shares which may be acquired within 60 days of December 31, 2001, upon exercise of stock options by Johannes Rietschel and excludes 359,496 shares held by his spouse, Barbara Haller-Rietschel, of which beneficial ownership is disclaimed. Instruction. For computations regarding securities which represent a right to acquire an underlying security see (S)240.13d3(d)(1). Item 5. Ownership of Five Percent or Less of a Class [X] Item 6. Ownership of More than Five Percent on Behalf of Another Person Not Applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not Applicable. Item 8. Identification and Classification of Members of the Group Not Applicable. Item 9. Notice of Dissolution of Group Not Applicable. Item 10. Certification Not Applicable. Page 5 of 5 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 10, 2002 ----------------------------------------------- Date /s/ Johannes Rietschel ----------------------------------------------- Signature Johannes Rietschel, Senior Engineering Fellow ----------------------------------------------- Name/Title The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative's authority to sign on behalf of such person shall be filed with the statement; provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See (S)240.13d-7 for other parties for whom copies are to be sent. Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)