# EDGAR Filing Document

**Accession Number:** 0001114925
**File Stem:** 0001683168-26-000820
**Filing Date:** 2026-2
**Character Count:** 10819
**Document Hash:** 603eb0c0726da85657caa6ff9eb03187
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001683168-26-000820.hdr.sgml**: 20260206

**ACCESSION NUMBER**: 0001683168-26-000820

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260206

**DATE AS OF CHANGE**: 20260206

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LANTRONIX INC
- **CENTRAL INDEX KEY:** 0001114925
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMPUTER COMMUNICATIONS EQUIPMENT [3576]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 330362767
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-60979
- **FILM NUMBER:** 26606235

**BUSINESS ADDRESS:**
- **STREET 1:** 48 DISCOVERY, SUITE 250
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92618
- **BUSINESS PHONE:** 9494533990

**MAIL ADDRESS:**
- **STREET 1:** 48 DISCOVERY, SUITE 250
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92618
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TL Stiftung
- **CENTRAL INDEX KEY:** 0002099608

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** 2M
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** BIESINGERSTR 27 D-72070
- **CITY:** TUEBINGEN
- **NON US STATE TERRITORY:** GER
- **PROVINCE COUNTRY:** 2M
- **ZIP:** 00000
- **BUSINESS PHONE:** 07071 9755280

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** BIESINGERSTR 27 D-72070
- **CITY:** TUEBINGEN
- **NON US STATE TERRITORY:** GER
- **PROVINCE COUNTRY:** 2M
- **ZIP:** 00000

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Issuer:** LANTRONIX INC

**Title of Class of Securities:** Common Stock, par value $0.0001

**CUSIP Number:** 516548203

**Date of Event Which Requires Filing of this Statement:** 01/29/2026

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>TL Stiftung | Names of Reporting Persons<br>TL Stiftung |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>2M | Citizenship or Place of Organization<br>2M |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** 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.

---

| 1. | Names of Reporting Persons<br>Michael Heiss | Names of Reporting Persons<br>Michael Heiss |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>2M | Citizenship or Place of Organization<br>2M |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** For Items 5, 7 and 11: Mr. Heiss previously had 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.

---

**Item 1(a). Name of Issuer:**
LANTRONIX INC

**Item 1(b). Address of Issuer's Principal Executive Offices:**
48 Discovery, Suite 250, Irvine, California 92618

**Item 2(a). Name of Person Filing:**
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.

**Item 2(b). Address of Principal Business Office:**
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.

**Item 2(c). Citizenship:**
Stiftung is a charitable foundation formed under the laws of Germany  and Michael Heiss is a citizen of Germany.

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.0001

**Item 2(e). CUSIP Number:**
516548203

**Item 3. If this statement is filed pursuant to §§ 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 adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 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) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**(b) Percent of class:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**(ii) Shared power to vote or to direct the vote:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**(iii) Sole power to dispose or to direct the disposition of:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**(iv) Shared power to dispose or to direct the disposition of:**

The information contained on each of the cover pages of this Statement is hereby incorporated by reference herein.

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

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:**

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.

### 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.

**TL Stiftung**

**Date:** 02/05/2026

**By:** /s/ Michael Heiss

**Name & Title:** Michael Heiss - Chairman

**Michael Heiss**

**Date:** 02/05/2026

**By:** /s/ Michael Heiss

**Name & Title:** Michael Heiss - Chairman