One Stop Systems, Inc. SEC filings OSS
One Stop Systems, Inc. has 527 filings in SEC EDGAR's recent list, going back to Mar 19, 2007. Its latest annual report, Form 10-K, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement
|
Oct 28, 2026 | Oct 28, 2026 |
| 424B5 | Prospectus supplement | Oct 28, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 28, 2026 | Oct 28, 2026 |
| 10-Q | Quarterly report | Oct 28, 2026 | Sep 30, 2026 |
| EFFECT | Filing | Sep 2, 2026 | — |
| CORRESP | Letter to the SEC | Aug 31, 2026 | — |
| S-3/A | Filing | Aug 28, 2026 | — |
| UPLOAD | Letter from the SEC | Aug 26, 2026 | — |
| S-3 | Shelf registration | Aug 24, 2026 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
Aug 5, 2026 | Jul 31, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 19, 2026 | May 13, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 8, 2026 | May 7, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| DEF 14A | Proxy statement | Apr 15, 2026 | Apr 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 15, 2026 | Apr 15, 2026 |
| 10-K | Annual report | Mar 18, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure
|
Jan 6, 2026 | Jan 6, 2026 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 1, 2025 | Oct 1, 2025 |
| 424B5 | Prospectus supplement | Oct 1, 2025 | — |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2025 | May 20, 2025 |
| DEFA14A | Additional proxy material | May 9, 2025 | — |
| 8-K |
Current report
Officer or director change
|
May 9, 2025 | May 8, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Apr 15, 2025 | Apr 15, 2025 |
| DEF 14A | Proxy statement | Apr 15, 2025 | Apr 14, 2025 |
| 10-K | Annual report | Mar 19, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 19, 2025 | Mar 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 14, 2025 | Jan 14, 2025 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Nov 6, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 13, 2024 | Aug 9, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 8, 2024 | Aug 8, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| S-8 | Employee stock plan registration | Jul 24, 2024 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 20, 2024 | May 15, 2024 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
May 9, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 15, 2024 | Apr 15, 2024 |
| DEF 14A | Proxy statement | Apr 15, 2024 | May 15, 2024 |
| ARS | Annual report to shareholders | Apr 15, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 21, 2024 | Mar 21, 2024 |
| 10-K | Annual report | Mar 21, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 30, 2023 | Nov 27, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Nov 9, 2023 | Nov 6, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| EFFECT | Filing | Aug 25, 2023 | — |
| CORRESP | Letter to the SEC | Aug 23, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 23, 2023 | — |
| S-8 | Employee stock plan registration | Aug 18, 2023 | — |
| S-3 | Shelf registration | Aug 18, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 10, 2023 | Aug 10, 2023 |
| 10-Q | Quarterly report | Aug 10, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 20, 2023 | Jul 20, 2023 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jun 7, 2023 | Jun 1, 2023 |
| 8-K |
Current report
Material agreement, Officer or director change, Regulation FD disclosure
|
May 22, 2023 | May 16, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2023 | May 18, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 11, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| DEF 14A | Proxy statement | Apr 18, 2023 | May 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Material agreement, Officer or director change, Bylaw or fiscal year change
|
Apr 7, 2023 | Apr 3, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 23, 2023 | Mar 23, 2023 |
| 10-K | Annual report | Mar 23, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 9, 2023 | Feb 9, 2023 |
| 10-Q | Quarterly report | Nov 10, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 24, 2022 | Oct 24, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 11, 2022 | Aug 11, 2022 |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2022 | May 18, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2022 | May 12, 2022 |
| 10-Q | Quarterly report | May 12, 2022 | Mar 31, 2022 |
| DEF 14A | Proxy statement | Apr 19, 2022 | May 18, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 24, 2022 | Mar 24, 2022 |
| 10-K | Annual report | Mar 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 12, 2021 | Nov 10, 2021 |
| 10-Q | Quarterly report | Nov 10, 2021 | Sep 30, 2021 |
| 10-Q | Quarterly report | Aug 12, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 12, 2021 | Aug 12, 2021 |
| S-8 | Employee stock plan registration | Jun 21, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2021 | May 19, 2021 |
| 10-Q | Quarterly report | May 13, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 13, 2021 | May 13, 2021 |
| DEF 14A | Proxy statement | Apr 20, 2021 | May 19, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2021 | Mar 25, 2021 |
| 10-K | Annual report | Mar 25, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 3, 2021 | Mar 1, 2021 |
| 424B5 | Prospectus supplement | Mar 3, 2021 | — |
| 8-K |
Current report
Results of operations
|
Nov 12, 2020 | Nov 12, 2020 |
| 10-Q | Quarterly report | Nov 12, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K/A |
Amended current report
Officer or director change
|
Jul 8, 2020 | Jun 9, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 25, 2020 | Jun 24, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 9, 2020 | Jun 3, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2020 | Jun 3, 2020 |
| DEFA14A | Additional proxy material | May 26, 2020 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 15, 2020 | May 11, 2020 |
| 10-Q | Quarterly report | May 15, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 14, 2020 | May 14, 2020 |
| DEF 14A | Proxy statement | May 1, 2020 | May 20, 2020 |
| 8-K |
Current report
Material agreement
|
Apr 24, 2020 | Apr 24, 2020 |
| 424B5 | Prospectus supplement | Apr 24, 2020 | — |
| 8-K |
Current report
Material agreement
|
Apr 21, 2020 | Apr 20, 2020 |
| PRE 14A | Preliminary proxy statement | Apr 21, 2020 | May 20, 2020 |
| 8-K |
Current report
Exit or restructuring costs
|
Apr 9, 2020 | Apr 5, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2020 | Mar 26, 2020 |
| 10-K | Annual report | Mar 26, 2020 | Dec 31, 2019 |
| 8-K/A |
Amended current report
Officer or director change
|
Mar 25, 2020 | Feb 15, 2020 |
| 8-K |
Current report
Listing notice
|
Feb 21, 2020 | Feb 15, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 18, 2020 | Feb 15, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 27, 2019 | Dec 23, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 8, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2019 | Nov 7, 2019 |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Agreement ended, Regulation FD disclosure
|
Aug 27, 2019 | Aug 26, 2019 |
| 10-Q | Quarterly report | Aug 8, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 8, 2019 | Aug 2, 2019 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 3, 2019 | Jul 1, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 26, 2019 | Jun 26, 2019 |
| 424B5 | Prospectus supplement | Jun 26, 2019 | — |
| EFFECT | Filing | Jun 19, 2019 | — |
| CORRESP | Letter to the SEC | Jun 17, 2019 | — |
| UPLOAD | Letter from the SEC | May 28, 2019 | — |
| 8-K |
Current report
Shareholder vote results
|
May 16, 2019 | May 15, 2019 |
| S-3 | Shelf registration | May 15, 2019 | — |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| DEF 14A | Proxy statement | Apr 15, 2019 | May 15, 2019 |
| 10-K | Annual report | Mar 21, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Material agreement
|
Mar 21, 2019 | Mar 20, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2019 | Feb 13, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 1, 2019 | Jan 31, 2019 |
| 8-K/A | Amended current report | Jan 15, 2019 | Oct 31, 2018 |
| 8-K |
Current report
Agreement ended, Exit or restructuring costs
|
Jan 8, 2019 | Jan 2, 2019 |
| 8-K/A | Amended current report | Dec 13, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2018 | Nov 8, 2018 |
| 10-Q | Quarterly report | Nov 8, 2018 | Sep 30, 2018 |
| 8-K/A | Amended current report | Nov 8, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Nov 6, 2018 | Oct 31, 2018 |
| S-8 | Employee stock plan registration | Oct 3, 2018 | — |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Sep 6, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 28, 2018 | Aug 22, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2018 | Aug 8, 2018 |
| 10-Q | Quarterly report | Aug 8, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 3, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 26, 2018 | Jun 26, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 25, 2018 | May 22, 2018 |
| 8-K |
Current report
Results of operations
|
May 8, 2018 | May 8, 2018 |
| 10-Q | Quarterly report | May 8, 2018 | Mar 31, 2018 |
| DEF 14A | Proxy statement | Apr 20, 2018 | May 22, 2018 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 17, 2018 | Apr 11, 2018 |
| 10-K | Annual report | Mar 21, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 21, 2018 | Mar 21, 2018 |
| 8-K/A | Amended current report | Mar 21, 2018 | Feb 2, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 8, 2018 | Mar 7, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Feb 6, 2018 | Feb 2, 2018 |
| 8-K |
Current report
Material agreement
|
Feb 1, 2018 | Feb 1, 2018 |
| 424B4 | Prospectus | Feb 1, 2018 | — |
| EFFECT | Filing | Jan 31, 2018 | — |
| CERT | Filing | Jan 31, 2018 | — |
| CORRESP | Letter to the SEC | Jan 31, 2018 | — |
| CORRESP | Letter to the SEC | Jan 31, 2018 | — |
| FWP | Free writing prospectus | Jan 29, 2018 | — |
| 8-A12B | Filing | Jan 29, 2018 | — |
| S-1/A | Amended registration statement | Jan 29, 2018 | — |
| CORRESP | Letter to the SEC | Jan 23, 2018 | — |
| CORRESP | Letter to the SEC | Jan 22, 2018 | — |
| UPLOAD | Letter from the SEC | Jan 18, 2018 | — |
| CORRESP | Letter to the SEC | Jan 16, 2018 | — |
| S-1/A | Amended registration statement | Jan 16, 2018 | — |
| CORRESP | Letter to the SEC | Dec 18, 2017 | — |
| S-1 | Registration statement | Dec 18, 2017 | — |
| UPLOAD | Letter from the SEC | Dec 6, 2017 | — |
| DRS | Filing | Nov 9, 2017 | — |
| REGDEX | Auto-generated paper document | Mar 19, 2007 | — |
Showing 181 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electronic Computers (SIC 3571)
- Listed as
- OSS (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Escondido, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1394056
- Former names
- ONE STOP SYSTEMS INC (until Jul 2, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.