# EDGAR Filing Document

**Accession Number:** 0001567994
**File Stem:** 0000921895-25-001721
**Filing Date:** 2025-6
**Character Count:** 16552
**Document Hash:** 8bade48e0f5b9071496a344cf23cc5c8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000921895-25-001721.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0000921895-25-001721

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

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ONE STOP SYSTEMS, INC.
- **CENTRAL INDEX KEY:** 0001394056
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRONIC COMPUTERS [3571]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 330885351
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90455
- **FILM NUMBER:** 251032611

**BUSINESS ADDRESS:**
- **STREET 1:** 2235 ENTERPRISE ST STE 110
- **CITY:** ESCONDIDO
- **STATE:** CA
- **ZIP:** 92029
- **BUSINESS PHONE:** 760-745-9883

**MAIL ADDRESS:**
- **STREET 1:** 2235 ENTERPRISE ST STE 110
- **CITY:** ESCONDIDO
- **STATE:** CA
- **ZIP:** 92029

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ONE STOP SYSTEMS INC
- **DATE OF NAME CHANGE:** 20070322
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Horton Capital Partners Fund, L.P.
- **CENTRAL INDEX KEY:** 0001567994

**ORGANIZATION NAME:**
- **EIN:** 800878800
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 1717 ARCH STREET
- **STREET 2:** 37TH FLOOR
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19103
- **BUSINESS PHONE:** 215-399-5402

**MAIL ADDRESS:**
- **STREET 1:** 1717 ARCH STREET
- **STREET 2:** 37TH FLOOR
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19103

## Ex-1

Exhibit 1

**<u>Transactions in the Securities of the Issuer Since the Filing of Amendment No. 1 to the Schedule 13D</u>**

---

| | | | |
|:---|:---|:---|:---|
| &nbsp;&nbsp;<u>Nature of the Transaction</u> | &nbsp;&nbsp; Amount of Securities<br> <u>Purchased/(Sold)</u> | &nbsp;&nbsp;<u>Price ($)</u> | &nbsp;&nbsp; Date of<br> <u>Purchase/Sale</u> |

---

**<u>HORTON CAPITAL PARTNERS FUND, LP</u>**

---

| | | | |
|:---|:---|:---|:---|
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(3209) | &nbsp;&nbsp;2.59 | &nbsp;&nbsp;05/15/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(5145) | &nbsp;&nbsp;2.53 | &nbsp;&nbsp;05/16/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(7899) | &nbsp;&nbsp;2.57 | &nbsp;&nbsp;05/20/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(25000) | &nbsp;&nbsp;2.59 | &nbsp;&nbsp;05/21/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(16659) | &nbsp;&nbsp;2.51 | &nbsp;&nbsp;05/22/2015 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(7506) | &nbsp;&nbsp;2.51 | &nbsp;&nbsp;05/23/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(26651) | &nbsp;&nbsp;2.75 | &nbsp;&nbsp;05/27/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(6196) | &nbsp;&nbsp;2.74 | &nbsp;&nbsp;05/28/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(13418) | &nbsp;&nbsp;2.77 | &nbsp;&nbsp;05/29/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(7067) | &nbsp;&nbsp;2.78 | &nbsp;&nbsp;05/30/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(7143) | &nbsp;&nbsp;2.79 | &nbsp;&nbsp;06/03/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(85000) | &nbsp;&nbsp;3.16 | &nbsp;&nbsp;06/04/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(26026) | &nbsp;&nbsp;3.15 | &nbsp;&nbsp;06/05/2025 |
| &nbsp;&nbsp;Purchase of Common Stock | &nbsp;&nbsp;900 | &nbsp;&nbsp;3.24 | &nbsp;&nbsp;06/06/2025 |
| &nbsp;&nbsp;Sale of Common Stock | &nbsp;&nbsp;(21537) | &nbsp;&nbsp;3.21 | &nbsp;&nbsp;06/06/2025 |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**ONE STOP SYSTEMS, INC.**

*(Name of Issuer)*

**Common Stock, Par Value $0.0001 Per Share**

*(Title of Class of Securities)*

**68247W109**

*(CUSIP Number)*

**JOSEPH M. MANKO, JR.**<br>HORTON CAPITAL PARTNERS, LLC<br>1717 Arch Street, Suite 3740<br>Philadelphia PA 19103<br>215-399-5402

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/04/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **68247W109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Horton Capital Partners Fund, LP** | Name of reporting person<br>**Horton Capital Partners Fund, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**917343.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**917343.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.2%** | Percent of class represented by amount in Row (11)<br>**4.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **68247W109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Horton Capital Partners, LLC** | Name of reporting person<br>**Horton Capital Partners, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**917343.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**917343.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.2%** | Percent of class represented by amount in Row (11)<br>**4.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

| **CUSIP No.** | **68247W109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Horton Capital Management, LLC** | Name of reporting person<br>**Horton Capital Management, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**917343.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**917343.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | Aggregate amount beneficially owned by each reporting person<br>**917343.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.2%** | Percent of class represented by amount in Row (11)<br>**4.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

| **CUSIP No.** | **68247W109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Manko Joseph M. Jr.** | Name of reporting person<br>**Manko Joseph M. Jr.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**21000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**917343.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**21000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**917343.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**938343.00** | Aggregate amount beneficially owned by each reporting person<br>**938343.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.3%** | Percent of class represented by amount in Row (11)<br>**4.3%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, Par Value $0.0001 Per Share

**(b) Name of Issuer:**
ONE STOP SYSTEMS, INC.

**(c) Address of Issuer's Principal Executive Offices:**
2235 ENTERPRISE ST STE 110, ESCONDIDO, CA, 92029

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5(a) is hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 21,589,229 Shares outstanding, as of May 2, 2025, which is the total number of Shares outstanding as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 7, 2025.

A. HCPF
As of the close of business on June 6, 2025, HCPF beneficially owned 917,343 Shares.
Percentage: Approximately 4.2%

B. HCP
As the general partner of HCPF, HCP may be deemed the beneficial owner of the 917,343 Shares owned by HCPF.
Percentage: Approximately 4.2%

C. HCM
As the investment manager of HCPF, HCM may be deemed the beneficial owner of the 917,343 Shares owned by HCPF.
Percentage: Approximately 4.2%

D. Mr. Manko
As of the close of business of June 6, 2025, Mr. Manko directly beneficially owned 21,000 Shares. In addition, as the Managing Member of each of HCP and HCM, Mr. Manko may be deemed the beneficial owner of the 917,343 Shares owned by HCPF.
Percentage: Approximately 4.3%

**(b)**
Item 5(b) is hereby amended and restated to read as follows:

A. HCPF
1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 917,343
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 917,343

B. HCP
1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 917,343
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 917,343

C. HCM
1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 917,343
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 917,343

D. Mr. Manko
1. Sole power to vote or direct vote: 21,000
2. Shared power to vote or direct vote: 917,343
3. Sole power to dispose or direct the disposition: 21,000
4. Shared power to dispose or direct the disposition: 917,343

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer that he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that he or it does not directly own.

**(c)**
Item 5(c) is hereby amended and restated to read as follows:

The transactions in securities of the Issuer by the Reporting Persons since the filing of Amendment No. 1 to the Schedule 13D are set forth in Exhibit 1 and are incorporated herein by reference.

### 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.

**Reporting Person:** Horton Capital Partners Fund, LP

**Signature:** /s/ Joseph M. Manko, Jr.

**Name/Title:** Joseph M. Manko, Jr., Managing Member of Horton Capital Partners, LLC, its General Partner

**Date:** 06/06/2025

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.

**Reporting Person:** Horton Capital Partners, LLC

**Signature:** /s/ Joseph M. Manko, Jr.

**Name/Title:** Joseph M. Manko, Jr., Managing Member

**Date:** 06/06/2025

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.

**Reporting Person:** Horton Capital Management, LLC

**Signature:** /s/ Joseph M. Manko, Jr.

**Name/Title:** Joseph M. Manko, Jr., Managing Member

**Date:** 06/06/2025

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.

**Reporting Person:** Manko Joseph M. Jr.

**Signature:** /s/ Joseph M. Manko, Jr.

**Name/Title:** Joseph M. Manko, Jr.

**Date:** 06/06/2025